{"id":5793,"date":"2025-09-09T12:27:29","date_gmt":"2025-09-09T03:27:29","guid":{"rendered":"https:\/\/sky-peace.net\/?p=5793"},"modified":"2025-09-09T12:27:29","modified_gmt":"2025-09-09T03:27:29","slug":"osi-model-all","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/osi-model-all\/","title":{"rendered":"\u56f3\u89e3\u3067\u308f\u304b\u308b\uff01OSI\u53c2\u7167\u30e2\u30c7\u30eb7\u968e\u5c64\u306e\u5f79\u5272\u3068\u901a\u4fe1\u306e\u4ed5\u7d44\u307f"},"content":{"rendered":"<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52c9\u5f37\u3092\u59cb\u3081\u308b\u3068\u3001\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069\u6700\u521d\u306b\u51fa\u4f1a\u3046\u58c1\u3001\u305d\u308c\u304c\u300c<strong>OSI\u53c2\u7167\u30e2\u30c7\u30eb<\/strong>\u300d\u3058\u3083\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u300c7\u3064\u306e\u968e\u5c64\uff1f\u300d\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\uff1f\u300d\u300c\u30ab\u30d7\u30bb\u30eb\u5316\uff1f\u300d<\/p>\n<p>\u30ab\u30bf\u30ab\u30ca\u3084\u5c02\u9580\u7528\u8a9e\u306e\u30aa\u30f3\u30d1\u30ec\u30fc\u30c9\u3067\u3001\u30da\u30fc\u30b8\u3092\u305d\u3063\u3068\u9589\u3058\u3066\u3057\u307e\u3063\u305f\u2026\u306a\u3093\u3066\u7d4c\u9a13\u3001\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n<p>\u4f55\u3092\u96a0\u305d\u3046\u3001\u50d5\u81ea\u8eab\u304c\u305d\u3046\u3067\u3057\u305f\u3002ADHD\u306e\u7279\u6027\u3082\u3042\u3063\u3066\u3001\u60c5\u5831\u91cf\u304c\u591a\u3044\u3068\u982d\u304c\u30d1\u30f3\u30af\u3057\u305d\u3046\u306b\u306a\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u300c\u7269\u7406\u5c64\u300d\u300c\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u300d\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u300d\u2026\u3068\u546a\u6587\u306e\u3088\u3046\u306b\u4e26\u3076\u8a00\u8449\u3092\u898b\u3066\u3001\u300c\u3082\u3046\u7121\u7406\uff01\u300d\u3068\u4f55\u5ea6\u6295\u3052\u51fa\u3057\u305d\u3046\u306b\u306a\u3063\u305f\u3053\u3068\u304b\u3002<\/p>\n<p>\u3067\u3082\u3001\u5b89\u5fc3\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306eOSI\u53c2\u7167\u30e2\u30c7\u30eb\u3001\u5b9f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e16\u754c\u3092\u63a2\u691c\u3059\u308b\u305f\u3081\u306e\u300c<strong>\u8d85\u4fbf\u5229\u306a\u5730\u56f3<\/strong>\u300d\u306a\u3093\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u5730\u56f3\u3055\u3048\u3042\u308c\u3070\u3001\u4eca\u81ea\u5206\u304c\u3069\u306e\u5834\u6240\u306b\u3044\u3066\u3001\u30c7\u30fc\u30bf\u304c\u3069\u3093\u306a\u65c5\u3092\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u4e00\u76ee\u77ad\u7136\u3002\u57fa\u672c\u60c5\u5831\u6280\u8853\u8005\u8a66\u9a13\u306e\u3088\u3046\u306aIT\u7cfb\u306e\u8cc7\u683c\u52c9\u5f37\u306f\u3082\u3061\u308d\u3093\u3001\u5b9f\u52d9\u3067\u30c8\u30e9\u30d6\u30eb\u304c\u8d77\u304d\u305f\u3068\u304d\u3001\u300c\u3055\u3066\u3001\u554f\u984c\u306f\u3069\u306e\u968e\u5c64\u3067\u8d77\u304d\u3066\u3044\u308b\u304b\u306a\uff1f\u300d\u3068\u51b7\u9759\u306b\u539f\u56e0\u3092\u5207\u308a\u5206\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u3093\u306aOSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u5f79\u5272\u3092\u3001<strong>\u96e3\u3057\u3044\u8a00\u8449\u3092\u6975\u529b\u4f7f\u308f\u305a\u306b\u3001\u56f3\u89e3\u3084\u8eab\u8fd1\u306a\u4f8b\u3048<\/strong>\u3092\u305f\u304f\u3055\u3093\u4f7f\u3063\u3066\u3001\u4e16\u754c\u4e00\u3084\u3055\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3063\u3066\u3001\u305d\u3082\u305d\u3082\u4f55\uff1f\u306a\u305c\u5fc5\u8981\u306a\u306e\uff1f<\/strong><\/li>\n<li><strong>7\u3064\u306e\u968e\u5c64\u3001\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u306f\uff1f\uff081\u5c64\u301c7\u5c64\u307e\u3067\u9806\u756a\u306b\u89e3\u8aac\uff09<\/strong><\/li>\n<li><strong>\u3069\u3046\u3084\u3063\u3066\u899a\u3048\u308b\uff1f\u8a66\u9a13\u306e\u30dd\u30a4\u30f3\u30c8\u306f\uff1f<\/strong><\/li>\n<li><strong>\u5b9f\u969b\u306e\u4ed5\u4e8b\u3067\u3069\u3046\u5f79\u7acb\u3064\u306e\uff1f<\/strong><\/li>\n<\/ol>\n<p>\u3053\u306e\u9806\u756a\u3067\u8aad\u307f\u9032\u3081\u3066\u3044\u3051\u3070\u3001\u8aad\u307f\u7d42\u308f\u308b\u3053\u308d\u306b\u306f\u3001\u3042\u308c\u3060\u3051\u30c1\u30f3\u30d7\u30f3\u30ab\u30f3\u30d7\u30f3\u3060\u3063\u305fOSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u5168\u4f53\u50cf\u304c\u3001\u30b9\u30c3\u3068\u982d\u306b\u5165\u3063\u3066\u3044\u308b\u306f\u305a\u3002<\/p>\n<p>\u3055\u3042\u3001\u4e00\u7dd2\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a2\u691c\u306e\u5730\u56f3\u3092\u8aad\u307f\u89e3\u3044\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<h2>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3068\u306f\u4f55\u304b\uff1f\u305d\u306e\u76ee\u7684\u3068\u5168\u4f53\u50cf<\/h2>\n<\/p>\n<p>\u3055\u3066\u3001\u6700\u521d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u300c<strong>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3063\u3066\u3001\u305d\u3082\u305d\u3082\u4f55\u306e\u305f\u3081\u306b\u3042\u308b\u306e\uff1f<\/strong>\u300d\u3068\u3044\u3046\u6839\u672c\u7684\u306a\u7591\u554f\u304b\u3089\u89e3\u6d88\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306e\u76ee\u7684\u3068\u5168\u4f53\u50cf\u304c\u308f\u304b\u308c\u3070\u3001\u3042\u3068\u306e7\u968e\u5c64\u306e\u8a71\u3082\u300c\u306a\u308b\u307b\u3069\u3001\u305d\u306e\u305f\u3081\u306b\u3042\u308b\u306e\u304b\uff01\u300d\u3068\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3088\u3002<\/p>\n<h3>\u901a\u4fe1\u3092\u968e\u5c64\u306b\u5206\u3051\u308b\u7406\u7531<\/h3>\n<p>\u3044\u304d\u306a\u308a\u300c\u901a\u4fe1\u306f7\u3064\u306e\u968e\u5c64\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\uff01\u300d\u3068\u8a00\u308f\u308c\u3066\u3082\u3001\u300c\u306a\u3093\u3067\u308f\u3056\u308f\u3056\u305d\u3093\u306a\u9762\u5012\u306a\u3053\u3068\u3092\uff1f\u300d\u3063\u3066\u601d\u3044\u307e\u3059\u3088\u306d\u3002\u50d5\u3082\u6700\u521d\u306f\u305d\u3046\u3067\u3057\u305f\u3002\u4e00\u3064\u306b\u307e\u3068\u3081\u305f\u65b9\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u3058\u3083\u3093\uff01\u3063\u3066\u3002<\/p>\n<p>\u3067\u3082\u3001\u3053\u308c\u306b\u306f\u3061\u3083\u3093\u3068\u3057\u305f\u7406\u7531\u304c\u3042\u308b\u3093\u3067\u3059\u3002<\/p>\n<p>\u4e00\u8a00\u3067\u3044\u3046\u3068\u3001\u300c<strong>\u5f79\u5272\u5206\u62c5\u3092\u660e\u78ba\u306b\u3057\u3066\u3001\u958b\u767a\u3084\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u3092\u697d\u306b\u3059\u308b\u305f\u3081<\/strong>\u300d\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u5bb6\u3092\u5efa\u3066\u308b\u6642\u3092\u60f3\u50cf\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\u300c\u57fa\u790e\u5de5\u4e8b\u3092\u3059\u308b\u4eba\u300d\u300c\u67f1\u3092\u7acb\u3066\u308b\u5927\u5de5\u3055\u3093\u300d\u300c\u96fb\u6c17\u306e\u914d\u7dda\u3092\u3059\u308b\u4eba\u300d\u300c\u58c1\u7d19\u3092\u8cbc\u308b\u4eba\u300d\u2026\u3044\u308d\u3093\u306a\u5c02\u9580\u5bb6\u304c\u3044\u307e\u3059\u3088\u306d\u3002\u3082\u3057\u3001\u3053\u308c\u3092\u4e00\u4eba\u306e\u4eba\u304c\u5168\u90e8\u3084\u308d\u3046\u3068\u3057\u305f\u3089\u3001\u3068\u3066\u3064\u3082\u306a\u304f\u5927\u5909\u3067\u3059\u3057\u3001\u3069\u3053\u304b\u3067\u30df\u30b9\u304c\u3042\u3063\u305f\u6642\u306b\u539f\u56e0\u3092\u898b\u3064\u3051\u308b\u306e\u3082\u4e00\u82e6\u52b4\u3067\u3059\u3002<\/p>\n<p>\u5de5\u7a0b\u3054\u3068\u306b\u5f79\u5272\u3092\u5206\u62c5\u3059\u308c\u3070\u3001\u305d\u308c\u305e\u308c\u306e\u5c02\u9580\u5bb6\u306f\u81ea\u5206\u306e\u4ed5\u4e8b\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002\u96fb\u6c17\u306e\u30c8\u30e9\u30d6\u30eb\u304c\u8d77\u304d\u305f\u3089\u3001\u96fb\u6c17\u306e\u914d\u7dda\u62c5\u5f53\u304c\u30c1\u30a7\u30c3\u30af\u3059\u308c\u3070\u3044\u3044\u3002\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e16\u754c\u3082\u3053\u308c\u3068\u5168\u304f\u540c\u3058\u3067\u3059\u3002<br \/>\u30c7\u30fc\u30bf\u3092\u9001\u308b\u3068\u3044\u3046\u4e00\u3064\u306e\u5927\u304d\u306a\u4ed5\u4e8b\u3092\u3001<\/p>\n<ul>\n<li><strong>\u7b2c1\u5c64\uff1a\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u3048\u308b\u62c5\u5f53<\/strong><\/li>\n<li><strong>\u7b2c2\u5c64\uff1a\u96a3\u306e\u6a5f\u5668\u306b\u5c4a\u3051\u308b\u62c5\u5f53<\/strong><\/li>\n<li><strong>\u7b2c3\u5c64\uff1a\u76ee\u7684\u5730\u307e\u3067\u306e\u30eb\u30fc\u30c8\u3092\u6c7a\u3081\u308b\u62c5\u5f53<\/strong><\/li>\n<li>&#8230;<\/li>\n<\/ul>\n<p>\u3068\u3044\u3063\u305f\u5177\u5408\u306b\u30017\u3064\u306e\u5f79\u5272\uff08\u968e\u5c64\uff09\u306b\u7d30\u304b\u304f\u5206\u3051\u305f\u306e\u3067\u3059\u3002\u3053\u306e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306e\u30eb\u30fc\u30eb\u3092\u5b9a\u3081\u305f\u8a2d\u8a08\u56f3<\/strong>\u300d\u3053\u305d\u304c\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u6b63\u4f53\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u304a\u304b\u3052\u3067\u3001\u4e16\u754c\u4e2d\u306e\u30e1\u30fc\u30ab\u30fc\u304c\u4f5c\u3063\u305f\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30db\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u9055\u3044\u3092\u6c17\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u540c\u3058\u30eb\u30fc\u30eb\u306b\u6cbf\u3063\u3066\u30b9\u30e0\u30fc\u30ba\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<h3>OSI\u30e2\u30c7\u30eb\u3068TCP\/IP\u306e\u9055\u3044<\/h3>\n<p>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u8a71\u3092\u3057\u3066\u3044\u308b\u3068\u3001\u5fc5\u305a\u30bb\u30c3\u30c8\u3067\u51fa\u3066\u304f\u308b\u306e\u304c\u300c<strong>TCP\/IP\u30e2\u30c7\u30eb<\/strong>\u300d\u3068\u3044\u3046\u8a00\u8449\u3067\u3059\u3002<br \/>\u300c\u3069\u3063\u3061\u3082\u901a\u4fe1\u306e\u30e2\u30c7\u30eb\u306a\u3093\u3067\u3057\u3087\uff1f\u4f55\u304c\u9055\u3046\u306e\uff1f\u300d\u3053\u308c\u3082\u521d\u5fc3\u8005\u304c\u6df7\u4e71\u3057\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u3053\u306e2\u3064\u306e\u95a2\u4fc2\u306f\u300c<strong>\u7406\u60f3\u306e\u8a2d\u8a08\u56f3<\/strong>\u300d\u3068\u300c<strong>\u73fe\u5b9f\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e2\u30c7\u30eb<\/strong>\u300d\u306e\u9055\u3044\u3067\u3059\u3002<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u30e2\u30c7\u30eb\u540d<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u7279\u5fb4<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u4f8b\u3048\u308b\u306a\u3089\u2026<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>OSI\u53c2\u7167\u30e2\u30c7\u30eb<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb\uff08ISO\uff09\u304c\u5b9a\u3081\u305f\u300c\u3053\u3046\u3042\u308b\u3079\u304d\u300d\u3068\u3044\u3046\u7406\u60f3\u7684\u306a\u30e2\u30c7\u30eb\u30027\u968e\u5c64\u3002<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u6cd5\u5f8b\u3067\u5b9a\u3081\u3089\u308c\u305f\u53b3\u5bc6\u306a\u300c\u5efa\u7bc9\u57fa\u6e96\u6cd5\u300d<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>TCP\/IP\u30e2\u30c7\u30eb<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3088\u308a\u5148\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u4e8b\u5b9f\u4e0a\u6a19\u6e96\u3068\u3057\u3066\u666e\u53ca\u3057\u305f\u30e2\u30c7\u30eb\u30024\u968e\u5c64\u3002<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u307f\u3093\u306a\u304c\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u3044\u308b\u4eba\u6c17\u306e\u300c\u9593\u53d6\u308a\u30d7\u30e9\u30f3\u300d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306f\u3001\u3044\u308f\u3070\u300c\u6559\u79d1\u66f8\u300d\u3002\u901a\u4fe1\u306e\u4ed5\u7d44\u307f\u3092\u4e01\u5be7\u306b\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u975e\u5e38\u306b\u512a\u308c\u305f\u30e2\u30c7\u30eb\u3067\u3059\u3002\u4e00\u65b9\u3001TCP\/IP\u306f\u3001\u3088\u308a\u5b9f\u8df5\u7684\u3067\u3001\u73fe\u5728\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u57fa\u76e4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a66\u9a13\u52c9\u5f37\u3067\u306fOSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e7\u968e\u5c64\u304c\u554f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u5b9f\u52d9\u3067\u306fTCP\/IP\u306e4\u968e\u5c64\u3092\u610f\u8b58\u3059\u308b\u5834\u9762\u306e\u65b9\u304c\u591a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u300c<strong>\u52c9\u5f37\u7528\u306e\u5730\u56f3\u304cOSI\u53c2\u7167\u30e2\u30c7\u30eb\u3001\u5b9f\u8df5\u306e\u5730\u56f3\u304cTCP\/IP<\/strong>\u300d\u304f\u3089\u3044\u306b\u899a\u3048\u3066\u304a\u3051\u3070\u5927\u4e08\u592b\u3067\u3059\u3002\u4e21\u8005\u306e\u5bfe\u5fdc\u95a2\u4fc2\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u306e\u7ae0\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u306d\u3002<\/p>\n<h3>\u30ab\u30d7\u30bb\u30eb\u5316\u30fb\u9006\u30ab\u30d7\u30bb\u30eb\u5316\u306e\u6982\u5ff5<\/h3>\n<p>\u6700\u5f8c\u306b\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u6b20\u304b\u305b\u306a\u3044\u300c<strong>\u30ab\u30d7\u30bb\u30eb\u5316<\/strong>\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u306b\u3064\u3044\u3066\u89e6\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3082\u8a00\u8449\u3060\u3051\u805e\u304f\u3068\u96e3\u3057\u305d\u3046\u3067\u3059\u304c\u3001\u8981\u306f\u300c<strong>\u30c7\u30fc\u30bf\u3092\u9001\u308b\u305f\u3081\u306b\u3001\u4f55\u91cd\u306b\u3082\u68b1\u5305\u3057\u3066\u3044\u304f\u4f5c\u696d<\/strong>\u300d\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u304c\u6d77\u5916\u306e\u53cb\u4eba\u306b\u624b\u7d19\u3092\u9001\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><strong>\u624b\u7d19\u3092\u66f8\u304f<\/strong>\uff08\u30c7\u30fc\u30bf\u672c\u4f53\uff09<\/li>\n<li>\u4e2d\u8eab\u304c\u900f\u3051\u306a\u3044\u3088\u3046\u306b<strong>\u4fbf\u7b8b\u306b\u5165\u308c\u308b<\/strong><\/li>\n<li>\u305d\u306e\u4fbf\u7b8b\u3092<strong>\u5c01\u7b52\u306b\u5165\u308c\u308b<\/strong><\/li>\n<li>\u5c01\u7b52\u306b<strong>\u5b9b\u540d\u3068\u5207\u624b\u3092\u8cbc\u308b<\/strong><\/li>\n<li>\u305d\u308c\u3092<strong>\u822a\u7a7a\u4fbf\u7528\u306e\u888b\u306b\u5165\u308c\u308b<\/strong><\/li>\n<li>\u7a7a\u6e2f\u3067<strong>\u30b3\u30f3\u30c6\u30ca\u306b\u7a4d\u307f\u8fbc\u3080<\/strong><\/li>\n<\/ol>\n<p>\u30c7\u30fc\u30bf\u3092\u9001\u308b\u6642\u3082\u3001\u3053\u308c\u3068\u4f3c\u305f\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u304d\u3066\u3044\u307e\u3059\u3002<br \/>\u4e0a\u306e\u968e\u5c64\u304b\u3089\u4e0b\u306e\u968e\u5c64\u3078\u30c7\u30fc\u30bf\u304c\u6e21\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u968e\u5c64\u3067\u5fc5\u8981\u306a\u300c\u30d8\u30c3\u30c0\u300d\u3068\u547c\u3070\u308c\u308b\u5236\u5fa1\u60c5\u5831\uff08\u5b9b\u540d\u3084\u5207\u624b\u306e\u3088\u3046\u306a\u3082\u306e\uff09\u304c\u4ed8\u3051\u52a0\u3048\u3089\u308c\u3066\u3044\u304f\u3093\u3067\u3059\u3002<\/p>\n<\/p>\n<p>\u3053\u306e\u3001\u30de\u30c8\u30ea\u30e7\u30fc\u30b7\u30ab\u4eba\u5f62\u306e\u3088\u3046\u306b\u3001\u3069\u3093\u3069\u3093\u60c5\u5831\u304c\u4ed8\u3051\u52a0\u3048\u3089\u308c\u3066\u68b1\u5305\u3055\u308c\u3066\u3044\u304f\u6d41\u308c\u3092\u300c<strong>\u30ab\u30d7\u30bb\u30eb\u5316<\/strong>\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u305f\u5074\u306f\u3001\u4eca\u5ea6\u306f\u9006\u306e\u9806\u756a\u3067\u3001\u4e0b\u306e\u968e\u5c64\u304b\u3089\u4e0a\u306e\u968e\u5c64\u3078\u4e00\u3064\u305a\u3064\u8377\u7269\u3092\u958b\u5c01\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u304c\u300c<strong>\u9006\u30ab\u30d7\u30bb\u30eb\u5316<\/strong>\u300d\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u300c\u30ab\u30d7\u30bb\u30eb\u5316\u300d\u3068\u3044\u3046\u6d41\u308c\u304c\u982d\u306b\u5165\u3063\u3066\u3044\u308b\u3068\u3001\u5404\u968e\u5c64\u304c\u4f55\u306e\u305f\u3081\u306b\u5b58\u5728\u3059\u308b\u306e\u304b\u3001\u3088\u308a\u5177\u4f53\u7684\u306b\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3088\u3002<\/p>\n<h2>\u7b2c1\u301c\u7b2c3\u5c64\uff1a\u7269\u7406\u5c64\u30fb\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u5f79\u5272<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3044\u3088\u3044\u3088\u30017\u3064\u306e\u968e\u5c64\u3092\u4e00\u3064\u305a\u3064\u898b\u3066\u3044\u304d\u307e\u3059\uff01<br \/>\u307e\u305a\u306f\u901a\u4fe1\u306e\u571f\u53f0\u3068\u306a\u308b<strong>\u7b2c1\u5c64\u301c\u7b2c3\u5c64<\/strong>\u3002\u300c\u7269\u7406\u5c64\u300d\u300c\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u300d\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u300d\u306e3\u5144\u5f1f\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e3\u3064\u306f\u3001\u30c7\u30fc\u30bf\u3092<strong>\u7269\u7406\u7684\u306a\u4fe1\u53f7<\/strong>\u306b\u5909\u3048\u3066\u3001<strong>\u96a3\u306e\u6a5f\u5668<\/strong>\u306b\u5c4a\u3051\u3001\u6700\u7d42\u7684\u306a<strong>\u76ee\u7684\u5730\u307e\u3067\u306e\u9053\u6848\u5185<\/strong>\u3092\u3059\u308b\u3001\u3068\u3044\u3046\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6839\u5e79\u3092\u62c5\u3046\u91cd\u8981\u306a\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u306a\u3093\u3060\u304b\u96e3\u3057\u305d\u3046\u306b\u805e\u3053\u3048\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u3082\u8eab\u8fd1\u306a\u4f8b\u3048\u3092\u4f7f\u3044\u306a\u304c\u3089\u89e3\u8aac\u3059\u308b\u306e\u3067\u3001\u30ea\u30e9\u30c3\u30af\u30b9\u3057\u3066\u3064\u3044\u3066\u304d\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<h3>\u7269\u7406\u5c64\uff5c\u30b1\u30fc\u30d6\u30eb\u3084\u96fb\u6ce2\u306a\u3069\u306e\u300c\u7269\u7406\u7684\u901a\u4fe1\u300d<\/h3>\n<p><strong>\u7b2c1\u5c64\uff1a\u7269\u7406\u5c64\uff08Physical Layer\uff09<\/strong><\/p>\n<p>\u307e\u305a\u4e00\u756a\u4e0b\u306e\u571f\u53f0\u3001\u7b2c1\u5c64\u306f<strong>\u7269\u7406\u5c64<\/strong>\u3067\u3059\u3002<br \/>\u305d\u306e\u540d\u306e\u901a\u308a\u3001\u30c7\u30fc\u30bf\u3092\u300c<strong>\u7269\u7406\u7684<\/strong>\u300d\u306a\u3082\u306e\u306b\u5909\u63db\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30bd\u30b3\u30f3\u306e\u4e2d\u306b\u3042\u308b\u30c7\u30fc\u30bf\u306f\u300c0\u300d\u3068\u300c1\u300d\u306e\u30c7\u30b8\u30bf\u30eb\u306a\u60c5\u5831\u3067\u3059\u3088\u306d\u3002\u3067\u3082\u3001\u3053\u308c\u3092\u305d\u306e\u307e\u307e\u30b1\u30fc\u30d6\u30eb\u3084\u7a7a\u9593\u306b\u6d41\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u7269\u7406\u5c64\u306e\u51fa\u756a\u3067\u3059\u3002<\/p>\n<p>\u7269\u7406\u5c64\u306f\u3001\u3053\u306e\u300c0\u300d\u3068\u300c1\u300d\u306e\u7f85\u5217\u3092\u3001<\/p>\n<ul>\n<li><strong>\u6709\u7dda\uff08LAN\u30b1\u30fc\u30d6\u30eb\u306a\u3069\uff09\u306a\u3089\u300c\u96fb\u6c17\u4fe1\u53f7\u300d\u306b<\/strong><\/li>\n<li><strong>\u7121\u7dda\uff08Wi-Fi\u306a\u3069\uff09\u306a\u3089\u300c\u96fb\u6ce2\u300d\u306b<\/strong><\/li>\n<li><strong>\uff08\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\u306a\u3089\u300c\u5149\u306e\u70b9\u6ec5\u300d\u306b\uff09<\/strong><\/li>\n<\/ul>\n<p>\u3068\u3044\u3063\u305f\u3001\u7269\u7406\u7684\u306a\u4fe1\u53f7\u306b\u5909\u63db\u3059\u308b\u4ed5\u4e8b\u3092\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u3002\u307e\u3055\u306b\u3001\u30c7\u30b8\u30bf\u30eb\u3068\u30a2\u30ca\u30ed\u30b0\u306e\u4e16\u754c\u3092\u7e4b\u3050\u7ffb\u8a33\u5bb6\u306e\u3088\u3046\u306a\u5b58\u5728\u3067\u3059\u306d\u3002<\/p>\n<p>\u9006\u306b\u3001\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u5074\u306f\u3001\u3053\u306e\u96fb\u6c17\u4fe1\u53f7\u3084\u96fb\u6ce2\u3092\u300c0\u300d\u3068\u300c1\u300d\u306e\u30c7\u30b8\u30bf\u30eb\u60c5\u5831\u306b\u5fa9\u5143\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u3010\u30dd\u30a4\u30f3\u30c8\u3011<\/strong><br \/>\u7269\u7406\u5c64\u3067\u8003\u3048\u308b\u3079\u304d\u3053\u3068\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u300c<strong>\u3053\u306e\u30b1\u30fc\u30d6\u30eb\u306f\u3061\u3083\u3093\u3068\u7e4b\u304c\u3063\u3066\u3044\u308b\u304b\uff1f<\/strong>\u300d\u300c<strong>Wi-Fi\u306e\u96fb\u6ce2\u306f\u5c4a\u3044\u3066\u3044\u308b\u304b\uff1f<\/strong>\u300d\u3068\u3044\u3063\u305f\u3001\u76ee\u306b\u898b\u3048\u308b\u7269\u7406\u7684\u306a\u63a5\u7d9a\u90e8\u5206\u3060\u3051\u3092\u6c17\u306b\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u610f\u5473\u3084\u5b9b\u5148\u306a\u3069\u306f\u4e00\u5207\u8003\u3048\u307e\u305b\u3093\u3002\u305f\u3060\u3072\u305f\u3059\u3089\u3001\u4fe1\u53f7\u3092\u9001\u308a\u51fa\u3059\u3053\u3068\u3001\u53d7\u3051\u53d6\u308b\u3053\u3068\u3060\u3051\u306b\u96c6\u4e2d\u3057\u3066\u3044\u308b\u3001\u5b9f\u76f4\u306a\u62c5\u5f53\u8005\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4ee3\u8868\u7684\u306a\u6a5f\u5668<\/strong>\uff1aLAN\u30b1\u30fc\u30d6\u30eb\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\u3001\u30ea\u30d4\u30fc\u30bf\u30cf\u30d6\u3001\u30e2\u30c7\u30e0\u306a\u3069<\/li>\n<li><strong>\u4f1d\u9001\u5358\u4f4d<\/strong>\uff1a\u30d3\u30c3\u30c8<\/li>\n<\/ul>\n<p>\u300c\u30cd\u30c3\u30c8\u306b\u7e4b\u304c\u3089\u306a\u3044\uff01\u300d\u3068\u3044\u3046\u30c8\u30e9\u30d6\u30eb\u306e\u6642\u3001\u307e\u305a\u300cLAN\u30b1\u30fc\u30d6\u30eb\u306f\u629c\u3051\u3066\u306a\u3044\u304b\u306a\uff1f\u300d\u3068\u78ba\u8a8d\u3057\u307e\u3059\u3088\u306d\u3002\u5b9f\u306f\u3053\u308c\u3001\u7121\u610f\u8b58\u306b\u7269\u7406\u5c64\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308b\u3093\u3067\u3059\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff5c\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3068MAC\u30a2\u30c9\u30ec\u30b9<\/h3>\n<p><strong>\u7b2c2\u5c64\uff1a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff08Data Link Layer\uff09<\/strong><\/p>\n<p>\u7269\u7406\u5c64\u304c\u5909\u63db\u3057\u305f\u4fe1\u53f7\u306f\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u305f\u3060\u306e\u30ce\u30a4\u30ba\u3068\u533a\u5225\u304c\u3064\u304d\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3001\u7b2c2\u5c64\u306e<strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong>\u304c\u6d3b\u8e8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306e\u4e3b\u306a\u5f79\u5272\u306f2\u3064\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u96a3\u63a5\u3059\u308b\u6a5f\u5668\u540c\u58eb\u3067\u3001\u5b89\u5168\u306b\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u3053\u3068<\/strong><\/li>\n<li><strong>\u30c7\u30fc\u30bf\u306e\u584a\uff08\u30d5\u30ec\u30fc\u30e0\uff09\u306b\u3001\u30a8\u30e9\u30fc\u304c\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068<\/strong><\/li>\n<\/ol>\n<p>\u7269\u7406\u5c64\u304c\u305f\u3060\u4fe1\u53f7\u3092\u5782\u308c\u6d41\u3059\u62c5\u5f53\u3060\u3068\u3057\u305f\u3089\u3001\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306f\u300c<strong>\u3059\u3050\u96a3\u306e\u76f8\u624b\u306b\u3001\u78ba\u5b9f\u306b\u30c7\u30fc\u30bf\u3092\u5c4a\u3051\u308b<\/strong>\u300d\u3053\u3068\u306b\u8cac\u4efb\u3092\u6301\u3064\u914d\u9054\u54e1\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u306e\u304c\u3001\u300c<strong>MAC\u30a2\u30c9\u30ec\u30b9\uff08\u30de\u30c3\u30af\u30a2\u30c9\u30ec\u30b9\uff09<\/strong>\u300d\u3068\u3044\u3046\u8b58\u5225\u756a\u53f7\u3067\u3059\u3002<br \/>\u3053\u308c\u306f\u3001\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30db\u3001\u30eb\u30fc\u30bf\u30fc\u306a\u3069\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3059\u308b\u5168\u3066\u306e\u6a5f\u5668\u306b\u5272\u308a\u632f\u3089\u308c\u3066\u3044\u308b\u3001\u4e16\u754c\u3067\u4e00\u3064\u3060\u3051\u306e\u300c\u500b\u4f53\u8b58\u5225\u756a\u53f7\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3002\u3088\u304f\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30de\u30a4\u30ca\u30f3\u30d0\u30fc\u300d\u3068\u4f8b\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306f\u3001\u3053\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3063\u3066\u3001\u300c\u3053\u306e\u30c7\u30fc\u30bf\u306f\u3001\u96a3\u306e\u3007\u3007\u3055\u3093\uff08MAC\u30a2\u30c9\u30ec\u30b9\uff09\u5b9b\u3067\u3059\u3088\u300d\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u306e\u901a\u4fe1\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u9001\u3089\u308c\u3066\u304d\u305f\u30c7\u30fc\u30bf\u306b\u30ce\u30a4\u30ba\u304c\u6df7\u3058\u3063\u3066\u3044\u306a\u3044\u304b\u306a\u3069\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u300c<strong>\u30a8\u30e9\u30fc\u691c\u51fa\u6a5f\u80fd<\/strong>\u300d\u3082\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3082\u3057\u30a8\u30e9\u30fc\u304c\u898b\u3064\u304b\u308c\u3070\u3001\u30c7\u30fc\u30bf\u3092\u7834\u68c4\u3057\u305f\u308a\u3001\u518d\u9001\u3092\u8981\u6c42\u3057\u305f\u308a\u3059\u308b\u3001\u54c1\u8cea\u7ba1\u7406\u306e\u5f79\u5272\u3082\u62c5\u3063\u3066\u3044\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n<ul>\n<li><strong>\u4ee3\u8868\u7684\u306a\u6a5f\u5668<\/strong>\uff1a\u30b9\u30a4\u30c3\u30c1\uff08\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30cf\u30d6\uff09\u3001\u30d6\u30ea\u30c3\u30b8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30ab\u30fc\u30c9\uff08NIC\uff09<\/li>\n<li><strong>\u4f1d\u9001\u5358\u4f4d<\/strong>\uff1a\u30d5\u30ec\u30fc\u30e0<\/li>\n<li><strong>\u30a2\u30c9\u30ec\u30b9<\/strong>\uff1aMAC\u30a2\u30c9\u30ec\u30b9<\/li>\n<\/ul>\n<h3>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff5cIP\u30a2\u30c9\u30ec\u30b9\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n<p><strong>\u7b2c3\u5c64\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff08Network Layer\uff09<\/strong><\/p>\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u304c\u300c\u96a3\u306e\u5bb6\u307e\u3067\u300d\u306e\u914d\u9054\u54e1\u3060\u3068\u3057\u305f\u3089\u3001\u7b2c3\u5c64\u306e<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/strong>\u306f\u300c<strong>\u6700\u7d42\u7684\u306a\u76ee\u7684\u5730\uff08\u4f4f\u6240\uff09\u307e\u3067\u3001\u6700\u9069\u306a\u30eb\u30fc\u30c8\u3092\u8003\u3048\u308b<\/strong>\u300d\u30ca\u30d3\u30b2\u30fc\u30bf\u30fc\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3060\u3051\u3067\u306f\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\uff08\u4f8b\u3048\u3070\u3001\u5bb6\u5ead\u5185LAN\uff09\u306e\u901a\u4fe1\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u3088\u3046\u306b\u3001\u4e16\u754c\u4e2d\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3068\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3082\u3063\u3068\u5927\u304d\u306a\u8996\u70b9\u3067\u306e\u4f4f\u6240\u3068\u3001\u305d\u3053\u307e\u3067\u306e\u9053\u6848\u5185\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c\u3001\u304a\u306a\u3058\u307f\u306e\u300c<strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong>\u300d\u3067\u3059\u3002<br \/>IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u300c\u4f4f\u6240\u300d\u306b\u3042\u305f\u308b\u3082\u306e\u3067\u3001\u3053\u308c\u306b\u3088\u308a\u4e16\u754c\u4e2d\u306e\u3069\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306a\u306e\u304b\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u4e3b\u306a\u4ed5\u4e8b\u306f\u3001\u3053\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3066\u3001\u300c<strong>\u3053\u306e\u30c7\u30fc\u30bf\u306f\u3001\u3069\u306e\u30eb\u30fc\u30c8\u3092\u901a\u308c\u3070\u4e00\u756a\u52b9\u7387\u7684\u306b\u76ee\u7684\u5730\u306b\u305f\u3069\u308a\u7740\u3051\u308b\u304b\uff1f<\/strong>\u300d\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u30eb\u30fc\u30c8\u9078\u629e\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u300c<strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u4ee3\u8868\u7684\u306a\u6a5f\u5668\u304c\u300c<strong>\u30eb\u30fc\u30bf\u30fc<\/strong>\u300d\u3067\u3059\u3002<br \/>\u30eb\u30fc\u30bf\u30fc\u306f\u3001\u307e\u308b\u3067\u4ea4\u901a\u6574\u7406\u54e1\u306e\u3088\u3046\u306b\u3001\u6b21\u3005\u3068\u9001\u3089\u308c\u3066\u304f\u308b\u30c7\u30fc\u30bf\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u898b\u3066\u3001\u300c\u541b\u306fA\u30eb\u30fc\u30c8\u3078\u300d\u300c\u541b\u306fB\u30eb\u30fc\u30c8\u3078\u300d\u3068\u3001\u6700\u9069\u306a\u6b21\u306e\u8ee2\u9001\u5148\u3078\u3068\u30c7\u30fc\u30bf\u3092\u632f\u308a\u5206\u3051\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u304a\u304b\u3052\u3067\u3001\u79c1\u305f\u3061\u306f\u81ea\u5b85\u306e\u30d1\u30bd\u30b3\u30f3\u304b\u3089\u3001\u5730\u7403\u306e\u88cf\u5074\u306b\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4ee3\u8868\u7684\u306a\u6a5f\u5668<\/strong>\uff1a\u30eb\u30fc\u30bf\u30fc<\/li>\n<li><strong>\u4f1d\u9001\u5358\u4f4d<\/strong>\uff1a\u30d1\u30b1\u30c3\u30c8<\/li>\n<li><strong>\u30a2\u30c9\u30ec\u30b9<\/strong>\uff1aIP\u30a2\u30c9\u30ec\u30b9<\/li>\n<\/ul>\n<h2>\u7b2c4\u301c\u7b2c5\u5c64\uff1a\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30fb\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\u306e\u5f79\u5272<\/h2>\n<p>\u3055\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u571f\u53f0\u3092\u652f\u3048\u308b1\u301c3\u5c64\u306e\u65c5\u3001\u304a\u75b2\u308c\u69d8\u3067\u3057\u305f\u3002<br \/>\u3053\u3053\u307e\u3067\u304c\u3001\u30c7\u30fc\u30bf\u3092\u76ee\u7684\u5730\u307e\u3067\u300c\u904b\u3076\u300d\u305f\u3081\u306e\u7269\u7406\u7684\u306a\u304a\u8a71\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u306e<strong>\u7b2c4\u5c64\u30fb\u7b2c5\u5c64<\/strong>\u3067\u306f\u3001\u8996\u70b9\u304c\u5c11\u3057\u5909\u308f\u308a\u307e\u3059\u3002<br \/>\u30c6\u30fc\u30de\u306f\u3001\u300c<strong>\u901a\u4fe1\u306e\u201c\u54c1\u8cea\u201d\u3092\u3069\u3046\u7ba1\u7406\u3059\u308b\u304b\uff1f<\/strong>\u300d\u3002<\/p>\n<p>\u4f8b\u3048\u308b\u306a\u3089\u3001\u73fe\u5834\u306e\u914d\u9054\u54e1\uff081\u301c3\u5c64\uff09\u304b\u3089\u3001\u53f8\u4ee4\u5854\u3067\u3042\u308b\u300c\u54c1\u8cea\u7ba1\u7406\u30fb\u9032\u884c\u7ba1\u7406\u300d\u306e\u62c5\u5f53\u8005\u306b\u30d0\u30c8\u30f3\u304c\u6e21\u3055\u308c\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3084\u3001\u901a\u4fe1\u5168\u4f53\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u6d41\u308c\u3092\u7ba1\u7406\u3059\u308b\u3001\u975e\u5e38\u306b\u91cd\u8981\u306a\u968e\u5c64\u3067\u3059\u3088\u3002<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff5cTCP\u3068UDP\u306e\u9055\u3044<\/h3>\n<p><strong>\u7b2c4\u5c64\uff1a\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff08Transport Layer\uff09<\/strong><\/p>\n<p>\u7b2c3\u5c64\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u305f\u3001\u7b2c4\u5c64\u306e<strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/strong>\u3002<br \/>\u3053\u306e\u5c64\u306e\u6700\u3082\u91cd\u8981\u306a\u5f79\u5272\u306f\u3001\u300c<strong>\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3092\u62c5\u4fdd\u3059\u308b<\/strong>\u300d\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306f\u3001\u3042\u304f\u307e\u3067\u76ee\u7684\u5730\u307e\u3067\u30c7\u30fc\u30bf\u3092\u9001\u308a\u5c4a\u3051\u308b\u306e\u304c\u4ed5\u4e8b\u3067\u3001\u9014\u4e2d\u3067\u30c7\u30fc\u30bf\u304c\u58ca\u308c\u305f\u308a\u3001\u9806\u756a\u304c\u30d0\u30e9\u30d0\u30e9\u306b\u306a\u3063\u305f\u308a\u3057\u3066\u3082\u57fa\u672c\u7684\u306b\u306f\u95a2\u77e5\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u304c\u3001\u300c<strong>\u3053\u306e\u901a\u4fe1\u3001\u3061\u3083\u3093\u3068\u6b63\u78ba\u306b\u5c4a\u3044\u3066\u307e\u3059\u304b\uff1f<\/strong>\u300d\u3068\u8cac\u4efb\u3092\u6301\u3063\u3066\u7ba1\u7406\u3059\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u3053\u306e\u7ba1\u7406\u65b9\u6cd5\u306b\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u30662\u3064\u306e\u3084\u308a\u65b9\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b66\u7fd2\u306e\u6700\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u3068\u3082\u8a00\u3048\u308b\u300c<strong>TCP<\/strong>\u300d\u3068\u300c<strong>UDP<\/strong>\u300d\u3067\u3059\u3002<\/p>\n<p><strong>\u25a0 \u4fe1\u983c\u6027\u91cd\u8996\u306e\u512a\u7b49\u751f\u300cTCP\u300d<\/strong><br \/>TCP\uff08Transmission Control Protocol\uff09\u306f\u3001<strong>\u4fe1\u983c\u6027\u3068\u78ba\u5b9f\u6027<\/strong>\u3092\u4f55\u3088\u308a\u3082\u91cd\u8996\u3059\u308b\u901a\u4fe1\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u308b\u306a\u3089\u3001\u300c<strong>\u5927\u4e8b\u306a\u8981\u4ef6\u3092\u4f1d\u3048\u308b\u3068\u304d\u306e\u96fb\u8a71<\/strong>\u300d\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u63a5\u7d9a\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\uff1a\u307e\u305a\u76f8\u624b\u306b\u96fb\u8a71\u3092\u304b\u3051\u3001\u76f8\u624b\u304c\u5fdc\u7b54\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u8a71\u3057\u59cb\u3081\u307e\u3059\u3002\uff08<strong>3\u30a6\u30a7\u30a4\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/strong>\uff09<\/li>\n<li><strong>\u5fdc\u7b54\u3092\u78ba\u8a8d\u3059\u308b<\/strong>\uff1a\u8a71\u306e\u533a\u5207\u308a\u3067\u300c\u3053\u3053\u307e\u3067\u5927\u4e08\u592b\u3067\u3059\u304b\uff1f\u300d\u3068\u76f8\u624b\u306e\u7406\u89e3\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u9032\u3081\u307e\u3059\u3002\uff08<strong>\u78ba\u8a8d\u5fdc\u7b54<\/strong>\uff09<\/li>\n<li><strong>\u9806\u756a\u3092\u4fdd\u8a3c\u3059\u308b<\/strong>\uff1a\u8a71\u3059\u9806\u756a\u304c\u524d\u5f8c\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u9806\u5e8f\u7acb\u3066\u3066\u4f1d\u3048\u307e\u3059\u3002\uff08<strong>\u30b7\u30fc\u30b1\u30f3\u30b9\u5236\u5fa1<\/strong>\uff09<\/li>\n<li><strong>\u518d\u9001\u3059\u308b<\/strong>\uff1a\u3082\u3057\u76f8\u624b\u304c\u805e\u304d\u9003\u3057\u305f\u3089\u3001\u300c\u3059\u307f\u307e\u305b\u3093\u3001\u3082\u3046\u4e00\u5ea6\u8a00\u3044\u307e\u3059\u306d\u300d\u3068\u4f1d\u3048\u76f4\u3057\u307e\u3059\u3002\uff08<strong>\u518d\u9001\u5236\u5fa1<\/strong>\uff09<\/li>\n<\/ol>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001TCP\u306f\u975e\u5e38\u306b\u4e01\u5be7\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u3044\u53cd\u9762\u3001\u78ba\u8a8d\u4f5c\u696d\u304c\u591a\u3044\u305f\u3081\u901a\u4fe1\u901f\u5ea6\u306f\u5c11\u3057\u9045\u304f\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\uff08SMTP\/POP3\uff09\u3084Web\u30b5\u30a4\u30c8\u306e\u95b2\u89a7\uff08HTTP\/HTTPS\uff09\u306a\u3069\u3001\u4e00\u6587\u5b57\u3067\u3082\u6b20\u3051\u308b\u3068\u610f\u5473\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u3001<strong>\u6b63\u78ba\u3055\u304c\u6c42\u3081\u3089\u308c\u308b\u901a\u4fe1<\/strong>\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><strong>\u25a0 \u30b9\u30d4\u30fc\u30c9\u91cd\u8996\u306e\u7279\u653b\u968a\u9577\u300cUDP\u300d<\/strong><br \/>\u4e00\u65b9\u3001UDP\uff08User Datagram Protocol\uff09\u306f\u3001\u4fe1\u983c\u6027\u3088\u308a\u3082<strong>\u901f\u5ea6\u3068\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027<\/strong>\u3092\u91cd\u8996\u3059\u308b\u901a\u4fe1\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u308b\u306a\u3089\u3001\u300c<strong>\u30e9\u30b8\u30aa\u653e\u9001<\/strong>\u300d\u3084\u300c<strong>\u4e00\u65b9\u7684\u306b\u9001\u308a\u3064\u3051\u308b\u30c0\u30a4\u30ec\u30af\u30c8\u30e1\u30fc\u30eb<\/strong>\u300d\u306b\u8fd1\u3044\u30a4\u30e1\u30fc\u30b8\u3002<\/p>\n<ul>\n<li>\u76f8\u624b\u304c\u805e\u3044\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u306a\u3044\uff08\u63a5\u7d9a\u78ba\u8a8d\u306a\u3057\uff09<\/li>\n<li>\u9014\u4e2d\u3067\u9014\u5207\u308c\u3066\u3082\u6c17\u306b\u3057\u306a\u3044\uff08\u78ba\u8a8d\u5fdc\u7b54\u306a\u3057\uff09<\/li>\n<li>\u9806\u756a\u304c\u30d0\u30e9\u30d0\u30e9\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\uff08\u9806\u5e8f\u4fdd\u8a3c\u306a\u3057\uff09<\/li>\n<li>\u5c4a\u304b\u306a\u304f\u3066\u3082\u518d\u9001\u306f\u3057\u306a\u3044\uff08\u518d\u9001\u5236\u5fa1\u306a\u3057\uff09<\/li>\n<\/ul>\n<p>\u3068\u306b\u304b\u304f\u300c<strong>\u9001\u308a\u3063\u3071\u306a\u3057<\/strong>\u300d\u306e\u30b9\u30bf\u30a4\u30eb\u3067\u3059\u3002\u7121\u8cac\u4efb\u306b\u805e\u3053\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u30b7\u30f3\u30d7\u30eb\u3055\u306e\u304a\u304b\u3052\u3067\u3001\u975e\u5e38\u306b\u9ad8\u901f\u306a\u901a\u4fe1\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u52d5\u753b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u3001\u30d3\u30c7\u30aa\u4f1a\u8b70\u306a\u3069\u3001\u591a\u5c11\u306e\u30c7\u30fc\u30bf\u6b20\u640d\uff08\u4e00\u77ac\u306e\u753b\u8cea\u306e\u4e71\u308c\u306a\u3069\uff09\u3088\u308a\u3082\u3001<strong>\u9045\u5ef6\u306e\u306a\u3055\u304c\u91cd\u8996\u3055\u308c\u308b\u901a\u4fe1<\/strong>\u3067\u6d3b\u8e8d\u3057\u307e\u3059\u3002<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u9805\u76ee<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">TCP\uff08\u96fb\u8a71\uff09<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">UDP\uff08\u30e9\u30b8\u30aa\u653e\u9001\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u63a5\u7d9a<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u578b\uff08\u76f8\u624b\u3092\u78ba\u8a8d\uff09<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\uff08\u9001\u308a\u3063\u3071\u306a\u3057\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u4fe1\u983c\u6027<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u9ad8\u3044\uff08\u78ba\u8a8d\u5fdc\u7b54\u3001\u518d\u9001\u3042\u308a\uff09<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u4f4e\u3044\uff08\u78ba\u8a8d\u5fdc\u7b54\u3001\u518d\u9001\u306a\u3057\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u901f\u5ea6<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u9045\u3044<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u901f\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u4e3b\u306a\u7528\u9014<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30e1\u30fc\u30eb\u3001Web\u30b5\u30a4\u30c8\u95b2\u89a7<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u52d5\u753b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e2\u3064\u306e\u9055\u3044\u306f\u3001\u57fa\u672c\u60c5\u5831\u6280\u8853\u8005\u8a66\u9a13\u3067\u3082\u983b\u51fa\u306a\u306e\u3067\u3001\u5fc5\u305a\u62bc\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\uff5c\u901a\u4fe1\u306e\u958b\u59cb\u30fb\u7dad\u6301\u30fb\u7d42\u4e86\u306e\u7ba1\u7406<\/h3>\n<p><strong>\u7b2c5\u5c64\uff1a\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\uff08Session Layer\uff09<\/strong><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u4e0a\u306b\u4f4d\u7f6e\u3059\u308b\u306e\u304c\u3001\u7b2c5\u5c64\u306e<strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64<\/strong>\u3067\u3059\u3002<br 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\/>\u3053\u308c\u304b\u3089\u89e3\u8aac\u3059\u308b<strong>\u7b2c6\u5c64\u30fb\u7b2c7\u5c64<\/strong>\u306f\u3001\u79c1\u305f\u3061\u30e6\u30fc\u30b6\u30fc\u306b\u6700\u3082\u8fd1\u3044\u3001\u3044\u308f\u3070\u901a\u4fe1\u306e\u300c\u7384\u95a2\u53e3\u300d\u3068\u306a\u308b\u90e8\u5206\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u306e1\u301c5\u5c64\u304c\u3001\u30c7\u30fc\u30bf\u3092\u76ee\u7684\u5730\u307e\u3067\u904b\u3073\u3001\u54c1\u8cea\u3092\u7ba1\u7406\u3059\u308b\u300c\u7269\u6d41\u30b7\u30b9\u30c6\u30e0\u300d\u3060\u3068\u3059\u308c\u3070\u3001\u3053\u3053\u304b\u3089\u306e2\u3064\u306e\u5c64\u306f\u3001<strong>\u53d7\u3051\u53d6\u3063\u305f\u8377\u7269\u3092\u958b\u5c01\u3057\u3001\u79c1\u305f\u3061\u304c\u4f7f\u3048\u308b\u5f62\u306b\u6574\u3048\u3066\u304f\u308c\u308b<\/strong>\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n<p>\u3042\u3068\u5c11\u3057\u3067\u3059\uff01\u3053\u3053\u307e\u3067\u304f\u308c\u3070\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u5168\u4f53\u50cf\u306f\u3082\u3046\u63b4\u3093\u3060\u3082\u540c\u7136\u3067\u3059\u3088\u3002<\/p>\n<h3>\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64\uff5c\u6697\u53f7\u5316\u30fb\u30c7\u30fc\u30bf\u5909\u63db<\/h3>\n<p><strong>\u7b2c6\u5c64\uff1a\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64\uff08Presentation Layer\uff09<\/strong><\/p>\n<p>\u7b2c5\u5c64\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u306e\u304c\u3001\u7b2c6\u5c64\u306e<strong>\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong>\u3067\u3059\u3002<br \/>\u307e\u305f\u805e\u304d\u6163\u308c\u306a\u3044\u8a00\u8449\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u5c64\u306e\u5f79\u5272\u306f\u300c<strong>\u7ffb\u8a33\u5bb6 \u517c \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53<\/strong>\u300d\u3068\u8003\u3048\u308b\u3068\u3001\u3068\u3066\u3082\u30b7\u30f3\u30d7\u30eb\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e3b\u306a\u4ed5\u4e8b\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\uff13\u3064\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30c7\u30fc\u30bf\u306e\u300c\u8868\u73fe\u5f62\u5f0f\u300d\u3092\u6c7a\u3081\u308b\uff08\u7ffb\u8a33\uff09<\/strong><br \/>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u4e16\u754c\u3067\u306f\u3001\u6587\u5b57\u3084\u753b\u50cf\u3001\u52d5\u753b\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u300c\u5f62\u5f0f\u300d\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\n<ul>\n<li><strong>\u6587\u5b57\u30b3\u30fc\u30c9<\/strong>\uff1aShift-JIS, UTF-8, EUC-JP \u306a\u3069<\/li>\n<li><strong>\u753b\u50cf\u5f62\u5f0f<\/strong>\uff1aJPEG, GIF, PNG \u306a\u3069<\/li>\n<li><strong>\u52d5\u753b\u5f62\u5f0f<\/strong>\uff1aMPEG, AVI 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\/>\u4e0b\u4f4d\u5c64\uff08\u7b2c1\u5c64\uff09\u304b\u3089\u899a\u3048\u308b\u65b9\u6cd5\u3068\u3001\u4e0a\u4f4d\u5c64\uff08\u7b2c7\u5c64\uff09\u304b\u3089\u899a\u3048\u308b\u65b9\u6cd5\u306e2\u30d1\u30bf\u30fc\u30f3\u3042\u308a\u307e\u3059\u3002\u81ea\u5206\u304c\u3057\u3063\u304f\u308a\u304f\u308b\u65b9\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u4e0a\u4f4d\u5c64\uff087\u5c64\uff09\u304b\u3089\u899a\u3048\u308b\u5834\u5408\uff1a\u300c\u3042\u30fb\u3077\u30fb\u305b\u30fb\u3068\u30fb\u306d\u30fb\u3067\u30fb\u3076\u300d<\/strong>\n<ul>\n<li><strong>\u3042<\/strong>\uff1a<strong>\u30a2<\/strong>\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/li>\n<li><strong>\u3077<\/strong>\uff1a<strong>\u30d7<\/strong>\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64<\/li>\n<li><strong>\u305b<\/strong>\uff1a<strong>\u30bb<\/strong>\u30c3\u30b7\u30e7\u30f3\u5c64<\/li>\n<li><strong>\u3068<\/strong>\uff1a<strong>\u30c8<\/strong>\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/li>\n<li><strong>\u306d<\/strong>\uff1a<strong>\u30cd<\/strong>\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/li>\n<li><strong>\u3067<\/strong>\uff1a<strong>\u30c7<\/strong>\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/li>\n<li><strong>\u3076<\/strong>\uff1a<strong>\u7269<\/strong>\u7406\u5c64<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4e0b\u4f4d\u5c64\uff081\u5c64\uff09\u304b\u3089\u899a\u3048\u308b\u5834\u5408\uff1a\u300c\u3076\u30fb\u3067\u30fb\u306d\u30fb\u3068\u30fb\u305b\u30fb\u3077\u30fb\u3042\u300d<\/strong>\n<ul>\n<li>\uff08\u4e0a\u8a18\u3092\u9006\u304b\u3089\u8aad\u3080\u3060\u3051\u3067\u3059\u306d\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u591a\u304f\u306e\u53c2\u8003\u66f8\u3067\u306f\u4e0a\u4f4d\u5c64\u304b\u3089\u306e\u300c\u3042\u3077\u305b\u3068\u306d\u3067\u3076\u300d\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ea\u30ba\u30e0\u304c\u826f\u3044\u306e\u3067\u53e3\u305a\u3055\u307f\u306a\u304c\u3089\u899a\u3048\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001\u30b4\u30ed\u5408\u308f\u305b\u3060\u3051\u3060\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u5c64\u306e\u5f79\u5272\u304c\u7d50\u3073\u3064\u304d\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u305d\u3053\u3067\u91cd\u8981\u306a\u306e\u304c\u3001<strong>\u3053\u308c\u307e\u3067\u898b\u3066\u304d\u305f\u56f3\u3084\u4f8b\u3048\u8a71\u3092\u30bb\u30c3\u30c8\u3067\u601d\u3044\u51fa\u3059<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p>\n<\/p>\n<ul>\n<li>\u300c<strong>\u3076\uff08\u7269\u7406\u5c64\uff09<\/strong>\u300d\u2192 \u3042\u3042\u3001LAN\u30b1\u30fc\u30d6\u30eb\u3068\u304b\u96fb\u6c17\u4fe1\u53f7\u306e\u968e\u5c64\u3060\u3063\u305f\u306a\u3002<\/li>\n<li>\u300c<strong>\u3067\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff09<\/strong>\u300d\u2192 \u96a3\u306e\u6a5f\u5668\u306b\u5c4a\u3051\u308b\u3001MAC\u30a2\u30c9\u30ec\u30b9\u306e\u968e\u5c64\u3060\u3002<\/li>\n<li>\u300c<strong>\u306d\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff09<\/strong>\u300d\u2192 \u6700\u7d42\u76ee\u7684\u5730\u307e\u3067\u306e\u9053\u6848\u5185\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068\u30eb\u30fc\u30bf\u30fc\u306e\u968e\u5c64\u3002<\/li>\n<li>\u300c<strong>\u3068\uff08\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff09<\/strong>\u300d\u2192 \u901a\u4fe1\u306e\u54c1\u8cea\u7ba1\u7406\u3002\u4fe1\u983c\u6027\u306eTCP\u3068\u901f\u5ea6\u306eUDP\u304c\u3042\u3063\u305f\u306a\u3002<\/li>\n<li>\u300c<strong>\u305b\uff08\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\uff09<\/strong>\u300d\u2192 \u4f1a\u8a71\u306e\u53f8\u4f1a\u8005\u3002\u958b\u59cb\u304b\u3089\u7d42\u4e86\u307e\u3067\u3092\u7ba1\u7406\u3059\u308b\u3093\u3060\u3063\u305f\u3002<\/li>\n<li>\u300c<strong>\u3077\uff08\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64\uff09<\/strong>\u300d\u2192 \u7ffb\u8a33\u5bb6\u3002\u6587\u5b57\u30b3\u30fc\u30c9\u5909\u63db\u3084\u6697\u53f7\u5316\u3092\u3059\u308b\u3068\u3053\u308d\u3002<\/li>\n<li>\u300c<strong>\u3042\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09<\/strong>\u300d\u2192 \u7384\u95a2\u53e3\u3002\u30d6\u30e9\u30a6\u30b6\u3068\u304b\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u3053\u3068\u3060\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001<strong>\u30b4\u30ed\u5408\u308f\u305b\uff08\u8a00\u8449\uff09\u3068\u5f79\u5272\u306e\u30a4\u30e1\u30fc\u30b8\uff08\u56f3\uff09\u3092\u7d50\u3073\u3064\u3051\u308b<\/strong>\u3053\u3068\u3067\u3001\u8a18\u61b6\u306f\u4e00\u6c17\u306b\u5f37\u56fa\u306b\u306a\u308a\u307e\u3059\u3088\u3002<\/p>\n<h3>\u3088\u304f\u51fa\u308b\u51fa\u984c\u30d1\u30bf\u30fc\u30f3\u3068\u5bfe\u5fdc\u30d7\u30ed\u30c8\u30b3\u30eb<\/h3>\n<p>\u8a66\u9a13\u5bfe\u7b56\u3068\u3057\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u306e\u304c\u3001\u300c<strong>\u3069\u306e\u968e\u5c64\u306b\u3001\u3069\u306e\u6a5f\u5668\u3084\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u95a2\u9023\u3057\u3066\u3044\u308b\u304b\uff1f<\/strong>\u300d\u3092\u6574\u7406\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u7279\u306b\u3001<strong>\u7b2c2\u5c64\u3001\u7b2c3\u5c64\u3001\u7b2c4\u5c64\u3001\u7b2c7\u5c64<\/strong>\u306f\u3001\u5177\u4f53\u7684\u306a\u6a5f\u5668\u3084\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u7d50\u3073\u3064\u3051\u3066\u554f\u308f\u308c\u308b\u554f\u984c\u306e\u5b9d\u5eab\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u6700\u4f4e\u9650\u899a\u3048\u3066\u304a\u304d\u305f\u3044\u5bfe\u5fdc\u95a2\u4fc2\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u8a66\u9a13\u524d\u306b\u306f\u3001\u3053\u306e\u8868\u304c\u982d\u306e\u4e2d\u3067\u518d\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u968e\u5c64<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u540d\u79f0<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u4f1d\u9001\u5358\u4f4d<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u30a2\u30c9\u30ec\u30b9<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u4ee3\u8868\u7684\u306a\u6a5f\u5668<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c7\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c7\u30fc\u30bf<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">PC\u3001\u30b9\u30de\u30db<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">HTTP, SMTP, FTP, DNS<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c6\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c7\u30fc\u30bf<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">SSL\/TLS, JPEG, MPEG<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c5\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c7\u30fc\u30bf<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c4\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30bb\u30b0\u30e1\u30f3\u30c8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30dd\u30fc\u30c8\u756a\u53f7<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>TCP, UDP<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30d1\u30b1\u30c3\u30c8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30eb\u30fc\u30bf\u30fc<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">IP, ICMP<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c2\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30d5\u30ec\u30fc\u30e0<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>MAC\u30a2\u30c9\u30ec\u30b9<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30b9\u30a4\u30c3\u30c1<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ARP, PPP<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c1\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7269\u7406\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30d3\u30c3\u30c8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30cf\u30d6, \u30b1\u30fc\u30d6\u30eb<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u3010\u51fa\u984c\u30d1\u30bf\u30fc\u30f3\u306e\u4f8b\u3011<\/strong><\/p>\n<ul>\n<li>\u300cIP\u30a2\u30c9\u30ec\u30b9\u3092\u57fa\u306b\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u5148\u3092\u6c7a\u5b9a\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306f\u3069\u308c\u304b\uff1f\u300d\uff08\u7b54\u3048\uff1a\u30eb\u30fc\u30bf\u30fc \u2192 \u7b2c3\u5c64\uff09<\/li>\n<li>\u300cWeb\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3059\u308b\u969b\u306b\u5229\u7528\u3055\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u3069\u306e\u968e\u5c64\u306b\u4f4d\u7f6e\u3059\u308b\u304b\uff1f\u300d\uff08\u7b54\u3048\uff1aHTTP \u2192 \u7b2c7\u5c64\uff09<\/li>\n<li>\u300cMAC\u30a2\u30c9\u30ec\u30b9\u304c\u6240\u5c5e\u3059\u308b\u968e\u5c64\u306f\u3069\u308c\u304b\uff1f\u300d\uff08\u7b54\u3048\uff1a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64 \u2192 \u7b2c2\u5c64\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u968e\u5c64\u540d\u3068\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u7d50\u3073\u3064\u3044\u3066\u3044\u308c\u3070\u3001\u591a\u304f\u306e\u554f\u984c\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>TCP\/IP\u30e2\u30c7\u30eb\u3068\u306e\u5bfe\u5fdc\u8868\u3082\u899a\u3048\u3066\u304a\u3053\u3046<\/h3>\n<p>\u6700\u521d\u306e\u7ae0\u3067\u3001\u300cOSI\u53c2\u7167\u30e2\u30c7\u30eb\u306f\u6559\u79d1\u66f8\u3001TCP\/IP\u306f\u5b9f\u8df5\u30e2\u30c7\u30eb\u300d\u3068\u3044\u3046\u8a71\u3092\u3057\u307e\u3057\u305f\u306d\u3002\u3053\u306e2\u3064\u306e\u30e2\u30c7\u30eb\u304c\u3001\u305d\u308c\u305e\u308c\u3069\u306e\u968e\u5c64\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u554f\u3046\u554f\u984c\u3082\u983b\u51fa\u3067\u3059\u3002<\/p>\n<p>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e7\u968e\u5c64\u3092\u899a\u3048\u3066\u3057\u307e\u3048\u3070\u3001\u3042\u3068\u306f\u305d\u308c\u3092TCP\/IP\u306e4\u968e\u5c64\u306b\u307e\u3068\u3081\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u305d\u3053\u307e\u3067\u96e3\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">OSI\u53c2\u7167\u30e2\u30c7\u30eb\uff087\u968e\u5c64\uff09<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">TCP\/IP\u30e2\u30c7\u30eb\uff084\u968e\u5c64\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c7\u5c64\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\" rowspan=\"3\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c6\u5c64\uff1a\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c5\u5c64\uff1a\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c4\u5c64\uff1a\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c3\u5c64\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c2\u5c64\uff1a\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\" rowspan=\"2\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u7b2c1\u5c64\uff1a\u7269\u7406\u5c64<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u4e0a\u4f4d3\u5c64\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\uff09\u304c\u3001TCP\/IP\u3067\u306f\u307e\u3068\u3081\u3066\u300c<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong>\u300d\u3068\u3055\u308c\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u540c\u69d8\u306b\u3001\u4e0b\u4f4d2\u5c64\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u3001\u7269\u7406\uff09\u306f\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64<\/strong>\u300d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u899a\u3048\u3066\u304a\u3051\u3070\u3001\u300cTCP\/IP\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u3069\u306e\u968e\u5c64\u306b\u76f8\u5f53\u3059\u308b\u304b\uff1f\u300d\u3068\u3044\u3063\u305f\u554f\u984c\u306b\u3082\u3001\u81ea\u4fe1\u3092\u6301\u3063\u3066\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u300d\u3068\u7b54\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u52d9\u3067OSI\u30e2\u30c7\u30eb\u3092\u3069\u3046\u6d3b\u304b\u3059\uff1f\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u3068\u7406\u89e3\u306e\u5fdc\u7528<\/h2>\n<p>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u5f79\u5272\u3092\u899a\u3048\u3001\u8a66\u9a13\u306e\u30dd\u30a4\u30f3\u30c8\u3082\u63b4\u307f\u307e\u3057\u305f\u3002<br \/>\u3067\u3082\u3001\u4e00\u756a\u5927\u4e8b\u306a\u306e\u306f\u3053\u3053\u304b\u3089\u3067\u3059\u3002\u300c\u3067\u3001\u3053\u306e\u77e5\u8b58\u3001\u5b9f\u969b\u306e\u4ed5\u4e8b\u3067\u3069\u3046\u4f7f\u3046\u306e\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u305b\u3063\u304b\u304f\u899a\u3048\u305f\u77e5\u8b58\u3082\u3001\u4f7f\u3048\u306a\u3051\u308c\u3070\u305f\u3060\u306e\u8c46\u77e5\u8b58\u3067\u7d42\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001<strong>\u30c8\u30e9\u30d6\u30eb\u306e\u539f\u56e0\u3092\u7a81\u304d\u6b62\u3081\u308b\u305f\u3081\u306e\u6700\u5f37\u306e\u6b66\u5668<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u5b66\u3093\u3060\u77e5\u8b58\u3092\u300c\u4f7f\u3048\u308b\u30b9\u30ad\u30eb\u300d\u306b\u5909\u3048\u308b\u305f\u3081\u306e\u3001\u5b9f\u8df5\u7684\u306a\u8003\u3048\u65b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>\u969c\u5bb3\u5207\u308a\u5206\u3051\u3067\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u304c\u767a\u751f\u3057\u305f\u6642\u3001\u3084\u307f\u304f\u3082\u306b\u3042\u3061\u3053\u3061\u8abf\u3079\u308b\u306e\u306f\u975e\u52b9\u7387\u3067\u3059\u3057\u3001\u30d1\u30cb\u30c3\u30af\u306e\u539f\u56e0\u306b\u3082\u306a\u308a\u307e\u3059\u3002\uff08\u50d5\u3082\u6614\u306f\u3088\u304f\u30d1\u30cb\u30af\u3063\u3066\u307e\u3057\u305f\u2026\uff09<\/p>\n<p>\u305d\u3093\u306a\u6642\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306f\u300c<strong>\u512a\u79c0\u306a\u63a2\u5075\u306e\u635c\u67fb\u30de\u30cb\u30e5\u30a2\u30eb<\/strong>\u300d\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u3053\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u6cbf\u3063\u3066\u5bb9\u7591\u8005\uff08\u539f\u56e0\uff09\u3092\u4e00\u3064\u305a\u3064\u6f70\u3057\u3066\u3044\u304f\u4f5c\u696d\u3092\u3001\u300c<strong>\u969c\u5bb3\u5207\u308a\u5206\u3051<\/strong>\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u5207\u308a\u5206\u3051\u306e\u57fa\u672c\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306f2\u3064\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u30a2\u30d7\u30ed\u30fc\u30c1\uff08\u4e0b\u304b\u3089\u653b\u3081\u308b\uff09<\/strong><br \/>\u7b2c1\u5c64\uff08\u7269\u7406\u5c64\uff09\u304b\u3089\u9806\u756a\u306b\u3001\u7b2c7\u5c64\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09\u3078\u3068\u539f\u56e0\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u65b9\u6cd5\u3067\u3059\u3002<br \/><strong>\u300c\u305d\u3082\u305d\u3082\u7269\u7406\u7684\u306b\u7e4b\u304c\u3063\u3066\u306a\u3044\u3093\u3058\u3083\u306a\u3044\uff1f\u300d<\/strong>\u3068\u3044\u3046\u3001\u6700\u3082\u57fa\u672c\u7684\u306a\u539f\u56e0\u304b\u3089\u6f70\u3057\u3066\u3044\u304f\u3001\u5805\u5b9f\u306a\u635c\u67fb\u65b9\u6cd5\u3067\u3059\u3002\n<p><strong>\u3010\u635c\u67fb\u306e\u4f8b\u3011<\/strong><\/p>\n<ul>\n<li><strong>\u7b2c1\u5c64<\/strong>\uff1aLAN\u30b1\u30fc\u30d6\u30eb\u306f\u629c\u3051\u3066\u306a\u3044\u304b\uff1f\u30cf\u30d6\u306e\u96fb\u6e90\u306f\u5165\u3063\u3066\u3044\u308b\u304b\uff1f<\/li>\n<li><strong>\u7b2c2\u5c64<\/strong>\uff1aPC\u3084\u30b9\u30a4\u30c3\u30c1\u306e\u30ea\u30f3\u30af\u30e9\u30f3\u30d7\u306f\u70b9\u706f\u30fb\u70b9\u6ec5\u3057\u3066\u3044\u308b\u304b\uff1f<\/li>\n<li><strong>\u7b2c3\u5c64<\/strong>\uff1aPC\u306b\u6b63\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u632f\u3089\u308c\u3066\u3044\u308b\u304b\uff1f<\/li>\n<li><strong>\u7b2c4\u5c64<\/strong>\uff1a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067\u30dd\u30fc\u30c8\u304c\u9589\u3058\u3089\u308c\u3066\u3044\u306a\u3044\u304b\uff1f<\/li>\n<li>\u2026\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u4e0b\u304b\u3089\u9806\u306b\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30c8\u30c3\u30d7\u30c0\u30a6\u30f3\u30a2\u30d7\u30ed\u30fc\u30c1\uff08\u4e0a\u304b\u3089\u653b\u3081\u308b\uff09<\/strong><br \/>\u9006\u306b\u3001\u7b2c7\u5c64\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09\u304b\u3089\u7b2c1\u5c64\uff08\u7269\u7406\u5c64\uff09\u3078\u3068\u539f\u56e0\u3092\u63a2\u3063\u3066\u3044\u304f\u65b9\u6cd5\u3067\u3059\u3002<br \/><strong>\u300c\u4f7f\u3044\u305f\u3044\u30a2\u30d7\u30ea\u304c\u52d5\u304b\u306a\u3044\u306e\u306f\u306a\u305c\uff1f\u300d<\/strong>\u3068\u3044\u3046\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4f53\u611f\u3057\u3066\u3044\u308b\u73fe\u8c61\u304b\u3089\u539f\u56e0\u3092\u6398\u308a\u4e0b\u3052\u3066\u3044\u304f\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\n<p><strong>\u3010\u635c\u67fb\u306e\u4f8b\u3011<\/strong><\/p>\n<ul>\n<li><strong>\u7b2c7\u5c64<\/strong>\uff1a\u30d6\u30e9\u30a6\u30b6\u3067Web\u30b5\u30a4\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3002\u5225\u306e\u30b5\u30a4\u30c8\u306f\u898b\u3048\u308b\u304b\uff1f<\/li>\n<li><strong>\u7b2c7\u5c64<\/strong>\uff1aDNS\u3067\u540d\u524d\u89e3\u6c7a\u306f\u3067\u304d\u3066\u3044\u308b\u304b\uff1f\uff08<code>ping google.com<\/code> \u306a\u3069\u3067\u78ba\u8a8d\uff09<\/li>\n<li><strong>\u7b2c3\u5c64<\/strong>\uff1aIP\u30a2\u30c9\u30ec\u30b9\u3067\u306a\u3089\u901a\u4fe1\u3067\u304d\u308b\u304b\uff1f\uff08<code>ping 8.8.8.8<\/code> \u306a\u3069\u3067\u78ba\u8a8d\uff09<\/li>\n<li>\u2026\u3068\u3001\u4e0a\u304b\u3089\u9806\u306b\u539f\u56e0\u306e\u7bc4\u56f2\u3092\u7d5e\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u3069\u3061\u3089\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u3046\u304b\u306f\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\u304c\u3001<strong>\u307e\u305a\u306f\u7269\u7406\u5c64\u304b\u3089\u78ba\u8a8d\u3059\u308b\u30dc\u30c8\u30e0\u30a2\u30c3\u30d7\u304c\u57fa\u672c<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7d4c\u9a13\u4e0a\u3001\u300c\u30b1\u30fc\u30d6\u30eb\u304c\u629c\u3051\u3066\u3044\u305f\u3060\u3051\u300d\u306a\u3093\u3066\u3044\u3046\u521d\u6b69\u7684\u306a\u30df\u30b9\u304c\u3001\u30c8\u30e9\u30d6\u30eb\u539f\u56e0\u306e\u591a\u304f\u3092\u5360\u3081\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<h3>\u901a\u4fe1\u30c8\u30e9\u30d6\u30eb\u6642\u306b\u898b\u308b\u3079\u304d\u968e\u5c64\u3068\u306f\uff1f<\/h3>\n<p>\u5177\u4f53\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u4e8b\u4f8b\u3068\u3001\u305d\u306e\u6642\u306b\u91cd\u70b9\u7684\u306b\u898b\u308b\u3079\u304d\u968e\u5c64\u3092\u6574\u7406\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\u3053\u306e\u300c\u75c7\u72b6\u3068\u539f\u56e0\u968e\u5c64\u306e\u7d10\u4ed8\u3051\u300d\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u683c\u6bb5\u306b\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u75c7\u72b6<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u4e3b\u306b\u78ba\u8a8d\u3059\u3079\u304d\u968e\u5c64<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u5177\u4f53\u7684\u306a\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u5168\u304f\u7e4b\u304c\u3089\u306a\u3044<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c1\u5c64\u3001\u7b2c2\u5c64\u3001\u7b2c3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30fbLAN\u30b1\u30fc\u30d6\u30eb\u306e\u63a5\u7d9a\u3001Wi-Fi\u306e\u63a5\u7d9a\u72b6\u614b<br \/>\u30fb\u30eb\u30fc\u30bf\u30fc\u3084\u30cf\u30d6\u306e\u30e9\u30f3\u30d7\u72b6\u614b<br \/>\u30fbPC\u306eIP\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\uff08<code>ipconfig<\/code>\u30b3\u30de\u30f3\u30c9\u306a\u3069\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7279\u5b9a\u306eWeb\u30b5\u30a4\u30c8\u3060\u3051\u8868\u793a\u3067\u304d\u306a\u3044<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c3\u5c64\u3001\u7b2c4\u5c64\u3001\u7b2c7\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30fb<code>ping<\/code>\u3084<code>tracert<\/code>\u30b3\u30de\u30f3\u30c9\u3067\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u758e\u901a\u78ba\u8a8d<br \/>\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u30dd\u30fc\u30c8\uff0880, 443\uff09\u3092\u585e\u3044\u3067\u3044\u306a\u3044\u304b<br \/>\u30fbDNS\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30af\u30ea\u30a2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u793e\u5185\u30b5\u30fc\u30d0\u30fc\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c3\u5c64\u3001\u7b2c7\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30fb\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b<code>ping<\/code>\u304c\u901a\u308b\u304b<br \/>\u30fb\u30b5\u30fc\u30d0\u30fc\u306e\u30b5\u30fc\u30d3\u30b9\uff08FTP, SMB\u306a\u3069\uff09\u304c\u52d5\u3044\u3066\u3044\u308b\u304b<br \/>\u30fb\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u306e\u8a2d\u5b9a\u306f\u6b63\u3057\u3044\u304b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u304c\u3067\u304d\u306a\u3044<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c4\u5c64\u3001\u7b2c7\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u30dd\u30fc\u30c8\uff0825, 110, 587\u306a\u3069\uff09\u3092\u585e\u3044\u3067\u3044\u306a\u3044\u304b<br \/>\u30fb\u30e1\u30fc\u30eb\u30bd\u30d5\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\uff08SMTP, POP\/IMAP\uff09\u306f\u6b63\u3057\u3044\u304b<br \/>\u30fb\u30a2\u30ab\u30a6\u30f3\u30c8\u306eID\/\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u6b63\u3057\u3044\u304b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u901a\u4fe1\u304c\u306a\u3093\u3060\u304b\u9045\u3044<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u5168\u968e\u5c64\uff08\u7279\u306b\u7b2c1\u5c64\u3001\u7b2c2\u5c64\uff09<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30fb\u30b1\u30fc\u30d6\u30eb\u306e\u898f\u683c\u3084\u640d\u50b7\u306f\u306a\u3044\u304b\uff08\u7269\u7406\u5c64\uff09<br \/>\u30fb\u30cf\u30d6\u3084\u30b9\u30a4\u30c3\u30c1\u306e\u6545\u969c\u3001\u30eb\u30fc\u30d7\u767a\u751f\u306f\u306a\u3044\u304b\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff09<br \/>\u30fb\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5e2f\u57df\u3092\u5727\u8feb\u3057\u3066\u3044\u306a\u3044\u304b\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u767a\u751f\u3057\u3066\u3044\u308b\u4e8b\u8c61\u304b\u3089\u300c\u3069\u306e\u968e\u5c64\u304c\u602a\u3057\u3044\u304b\u300d\u306b\u898b\u5f53\u3092\u3064\u3051\u308b\u7656\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3092\u5b9f\u52d9\u3067\u4f7f\u3044\u3053\u306a\u3059\u7b2c\u4e00\u6b69\u3067\u3059\u3002<br \/>\u6700\u521d\u306f\u96e3\u3057\u304f\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30c8\u30e9\u30d6\u30eb\u3092\u7d4c\u9a13\u3059\u308b\u305f\u3073\u306b\u3001\u3053\u306e\u8868\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5f90\u3005\u306b\u611f\u899a\u304c\u8eab\u306b\u3064\u3044\u3066\u3044\u304d\u307e\u3059\u3088\u3002<\/p>\n<h2>\u307e\u3068\u3081\uff1aOSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7406\u89e3\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5b66\u7fd2\u306e\u7b2c\u4e00\u6b69<\/h2>\n<p>\u3053\u3053\u307e\u3067\u9577\u3044\u9053\u306e\u308a\u3001\u672c\u5f53\u306b\u304a\u75b2\u308c\u69d8\u3067\u3057\u305f\uff01<br \/>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e7\u3064\u306e\u968e\u5c64\u3001\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u304b\u3089\u899a\u3048\u65b9\u3001\u305d\u3057\u3066\u5b9f\u52d9\u3067\u306e\u6d3b\u304b\u3057\u65b9\u307e\u3067\u3001\u4e00\u901a\u308a\u65c5\u3092\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u6700\u521d\u306f\u546a\u6587\u306e\u3088\u3046\u306b\u898b\u3048\u305f\u5c02\u9580\u7528\u8a9e\u3082\u3001\u4eca\u3067\u306f\u300c\u3042\u3042\u3001\u3042\u306e\u968e\u5c64\u306e\u3053\u3068\u306d\u300d\u3068\u3001\u5c11\u3057\u8eab\u8fd1\u306b\u611f\u3058\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u3001\u50d5\u3082\u3068\u3066\u3082\u5b09\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7406\u89e3\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u306b\u304a\u3051\u308b<strong>\u57fa\u790e\u306e\u57fa\u790e\u3067\u3042\u308a\u3001\u6700\u3082\u91cd\u8981\u306a\u5730\u56f3<\/strong>\u3067\u3059\u3002\u3053\u306e\u5730\u56f3\u3092\u624b\u306b\u5165\u308c\u305f\u3042\u306a\u305f\u306f\u3001\u3082\u3046\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u521d\u5b66\u8005\u3092\u5352\u696d\u3057\u305f\u3068\u8a00\u3063\u3066\u3082\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u8efd\u304f\u5fa9\u7fd2\u3057\u3001\u3042\u306a\u305f\u306e\u3053\u308c\u304b\u3089\u306e\u5b66\u7fd2\u3092\u3055\u3089\u306b\u52a0\u901f\u3055\u305b\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u3066\u3001\u3053\u306e\u8a18\u4e8b\u3092\u7de0\u3081\u304f\u304f\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>\u5404\u5c64\u306e\u5f79\u5272\u3092\u56f3\u3067\u5fa9\u7fd2<\/h3>\n<p>\u982d\u306e\u4e2d\u3092\u6574\u7406\u3059\u308b\u305f\u3081\u306b\u3001\u3082\u3046\u4e00\u5ea67\u3064\u306e\u968e\u5c64\u306e\u5f79\u5272\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u304a\u3055\u3089\u3044\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p>\n<table border=\"1\" style=\"width:100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u968e\u5c64<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u540d\u79f0<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc; background-color: #f2f2f2;\">\u8d85\u3056\u3063\u304f\u308a\u3057\u305f\u5f79\u5272<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c7\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u3046\u30a2\u30d7\u30ea\u306e\u300c\u7a93\u53e3\u300d<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c6\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30d7\u30ec\u30bc\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u30c7\u30fc\u30bf\u306e\u300c\u7ffb\u8a33\u30fb\u6574\u5f62\u300d\u5f79<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c5\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u901a\u4fe1\u306e\u300c\u53f8\u4f1a\u9032\u884c\u300d\u5f79<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c4\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u901a\u4fe1\u306e\u300c\u54c1\u8cea\u7ba1\u7406\u300d\u5f79<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c3\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u76ee\u7684\u5730\u307e\u3067\u306e\u300c\u30eb\u30fc\u30c8\u6848\u5185\u300d\u5f79<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c2\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">\u96a3\u306e\u6a5f\u5668\u3078\u306e\u300c\u914d\u9054\u300d\u5f79<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7b2c1\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\"><strong>\u7269\u7406\u5c64<\/strong><\/td>\n<td style=\"padding: 8px; border: 1px solid 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