{"id":96,"date":"2025-02-10T20:40:00","date_gmt":"2025-02-10T11:40:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=96"},"modified":"2025-10-09T10:09:51","modified_gmt":"2025-10-09T01:09:51","slug":"8-tcp-ip","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=96","title":{"rendered":"TCP\/IP"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">TCP\/IP\u3068\u306f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span class=\"swl-marker mark_yellow\"><strong>Transmission Control Protocol \/ Internet Protocol<\/strong> <\/span>\u306e\u7565<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3084\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u6700\u3082\u4f7f\u308f\u308c\u3066\u3044\u308b\u901a\u4fe1\u30eb\u30fc\u30eb\uff08\uff1d\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u306e\u96c6\u307e\u308a\u3002<\/li>\n\n\n\n<li>\u540d\u524d\u306e\u7531\u6765\uff1a\u7279\u306b\u91cd\u8981\u306a <span class=\"swl-marker mark_yellow\"><strong>TCP<\/strong>\uff08\u901a\u4fe1\u306e\u4fe1\u983c\u6027\u3092\u4fdd\u8a3c\uff09\u3068 <strong>IP<\/strong>\uff08\u4f4f\u6240\uff1d\u30a2\u30c9\u30ec\u30b9\u3092\u6c7a\u3081\u308b\uff09<\/span>\u304c\u4e2d\u5fc3\u3060\u304b\u3089\u3002<\/li>\n\n\n\n<li>\u5b9f\u969b\u306f\u3001TCP\u3084IP\u4ee5\u5916\u306b\u3082 <strong>HTTP\uff08Web\u7528\uff09\u3001SMTP\uff08\u30e1\u30fc\u30eb\u7528\uff09\u3001ICMP\uff08\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u7528\uff09<\/strong> \u306a\u3069\u3001\u591a\u304f\u306e\u4ef2\u9593\u304c\u542b\u307e\u308c\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\"><strong>\u521d\u5fc3\u8005\u30dd\u30a4\u30f3\u30c8<\/strong>\uff1a\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u540c\u58eb\u3067\u4f1a\u8a71\u3059\u308b\u3068\u304d\u306e\u300c\u5171\u901a\u306e\u30eb\u30fc\u30eb\u300d\u306e\u3053\u3068\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TCP\/IP\u306e\u968e\u5c64\u30e2\u30c7\u30eb\uff084\u968e\u5c64\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>TCP\/IP\u968e\u5c64<\/th><th>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306b\u5bfe\u5fdc<\/th><th>\u4e3b\u306a\u5f79\u5272<\/th><th>\u4ee3\u8868\u30d7\u30ed\u30c8\u30b3\u30eb<\/th><\/tr><\/thead><tbody><tr><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/td><td>OSI\u7b2c5\u301c7\u5c64<\/td><td>\u30a2\u30d7\u30ea\u3054\u3068\u306e\u901a\u4fe1\u6a5f\u80fd\u3092\u5b9f\u73fe<\/td><td>HTTP, FTP, SMTP, SSH<\/td><\/tr><tr><td>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/td><td>OSI\u7b2c4\u5c64<\/td><td>\u4fe1\u983c\u6027\u3042\u308b\u8ee2\u9001\uff08TCP\uff09 or \u52b9\u7387\u91cd\u8996\u306e\u8ee2\u9001\uff08UDP\uff09<\/td><td>TCP, UDP<\/td><\/tr><tr><td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64<\/td><td>OSI\u7b2c3\u5c64<\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u901a\u4fe1\u3001\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a<\/td><td>IP, ICMP<\/td><\/tr><tr><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64<\/td><td>OSI\u7b2c1\u301c2\u5c64<\/td><td>\u76f4\u63a5\u63a5\u7d9a\u30ce\u30fc\u30c9\u9593\u901a\u4fe1<\/td><td>Ethernet, PPP<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"is-style-big_icon_point wp-block-paragraph\">\u4e0a\u306e\u5c64\u307b\u3069 <strong>\u4eba\u9593\u306b\u8fd1\u3044\uff08\u30a2\u30d7\u30ea\u304c\u4f7f\u3046\uff09<\/strong><br>\u4e0b\u306e\u5c64\u307b\u3069 <strong>\u6a5f\u68b0\u306b\u8fd1\u3044\uff08\u30b1\u30fc\u30d6\u30eb\u3084\u4fe1\u53f7\u306e\u4e16\u754c\uff09<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5404\u5c64\u306e\u5f79\u5272\u307e\u3068\u3081<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u3054\u3068\u306e\u901a\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li>\u4f8b\uff1aWeb\uff08HTTP\uff09\u3001\u30e1\u30fc\u30eb\uff08SMTP, POP3\uff09\u3001\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\uff08FTP\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\uff08TCP\uff09<\/li>\n\n\n\n<li>\u9ad8\u901f\u30fb\u52b9\u7387\u91cd\u8996\u901a\u4fe1\uff08UDP\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IP\u30a2\u30c9\u30ec\u30b9\u306b\u3088\u308b\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u901a\u4fe1<\/li>\n\n\n\n<li>\u7d4c\u8def\u9078\u629e\uff08\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u7684\u306a\u96a3\u63a5\u30ce\u30fc\u30c9\u9593\u901a\u4fe1<\/li>\n\n\n\n<li>LAN\uff08Ethernet\uff09\u3084WAN\uff08PPP\uff09\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3092\u5229\u7528<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u975e\u30ab\u30d7\u30bb\u30eb\u5316\uff08TCP\/IP\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9001\u4fe1\u5074<\/strong><br>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64 \u2192 \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64 \u2192 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64 \u2192 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64 \u2192 \u7269\u7406\u4f1d\u9001<br>\u2192 \u5404\u5c64\u3067\u30d8\u30c3\u30c0\u3092\u4ed8\u52a0\uff08\u30ab\u30d7\u30bb\u30eb\u5316\uff09<\/li>\n\n\n\n<li><strong>\u53d7\u4fe1\u5074<\/strong><br>\u7269\u7406\u4f1d\u9001 \u2192 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5c64 \u2192 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64 \u2192 \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64 \u2192 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<br>\u2192 \u5404\u5c64\u3067\u30d8\u30c3\u30c0\u3092\u524a\u9664\uff08\u975e\u30ab\u30d7\u30bb\u30eb\u5316\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-big_icon_point wp-block-paragraph\">\u90f5\u4fbf\u3067\u3044\u3046\u3068\u3001<br>\uff11\u624b\u7d19\u3092\u66f8\u304f\uff08\u30a2\u30d7\u30ea\u5c64\uff09<br>\uff12\u5c01\u7b52\u306b\u5165\u308c\u308b\uff08\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\uff09<br>\uff13\u5b9b\u5148\u3092\u66f8\u304f\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64\uff09<br>\uff14\u90f5\u4fbf\u5c40\u3084\u30c8\u30e9\u30c3\u30af\u3067\u904b\u3076\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff09<br>\u2026\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Web\u30b5\u30a4\u30c8\u3092\u898b\u308b\u3068\u304d\u306e\u5b9f\u4f8b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong>\uff1a\u30d6\u30e9\u30a6\u30b6\u304cHTTP\u3092\u4f7f\u3063\u3066\u300c\u30da\u30fc\u30b8\u3092\u304f\u3060\u3055\u3044\u300d\u3068\u8981\u6c42<\/li>\n\n\n\n<li><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/strong>\uff1aTCP\u3067\u30c7\u30fc\u30bf\u3092\u9806\u756a\u901a\u308a\u306b\u3001\u58ca\u308c\u305a\u5c4a\u304f\u3088\u3046\u306b\u7ba1\u7406<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64<\/strong>\uff1aIP\u30a2\u30c9\u30ec\u30b9\u3067\u300c\u3069\u306e\u30b5\u30fc\u30d0\u3078\uff1f\u300d\u3092\u6c7a\u5b9a<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/strong>\uff1aEthernet\u3067\u5b9f\u969b\u306b\u30b1\u30fc\u30d6\u30eb\u3084Wi-Fi\u304b\u3089\u4fe1\u53f7\u3092\u9001\u4fe1<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u3068\u306f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><span class=\"swl-marker mark_yellow\">IP\uff08Internet Protocol\uff09<\/span><\/strong> \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3084LAN\u3067\u4f7f\u3046\u57fa\u672c\u7684\u306a\u901a\u4fe1\u30eb\u30fc\u30eb\u306e\u3072\u3068\u3064\u3002<\/li>\n\n\n\n<li>OSI\u53c2\u7167\u30e2\u30c7\u30eb\u3067\u306f <strong>\u7b2c3\u5c64\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff09<\/strong> \u306b\u3042\u305f\u308a\u3001TCP\/IP\u30e2\u30c7\u30eb\u3067\u306f <strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64<\/strong> \u306b\u3042\u305f\u308b\u3002<\/li>\n\n\n\n<li>\u5404\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3084\u6a5f\u5668\u306b <strong><span class=\"swl-marker mark_yellow\">IP\u30a2\u30c9\u30ec\u30b9\uff08\u4f4f\u6240\u306e\u3088\u3046\u306a\u756a\u53f7\uff09<\/span><\/strong> \u3092\u5272\u308a\u5f53\u3066\u3066\u3001\u6b63\u3057\u3044\u76f8\u624b\u306b\u30c7\u30fc\u30bf\u3092\u5c4a\u3051\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"is-style-icon_pen wp-block-paragraph\"><strong>\u521d\u5fc3\u8005\u30dd\u30a4\u30f3\u30c8<\/strong>\uff1aIP\u306f\u201c\u4f4f\u6240\u4fc2\u201d\u306e\u30d7\u30ed\u30c8\u30b3\u30eb<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u30d8\u30c3\u30c0\u3068\u306f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><span class=\"swl-marker mark_yellow\">IP\u30d8\u30c3\u30c0<\/span><\/strong>\uff1a\u30c7\u30fc\u30bf\u3092\u9001\u308b\u3068\u304d\u306b\u3001\u524d\u306b\u3064\u3051\u308b\u300c\u4f1d\u7968\u300d\u306e\u3088\u3046\u306a\u60c5\u5831\u3002<\/li>\n\n\n\n<li>\u5b9b\u5148\u4f4f\u6240\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u3001\u8377\u7269\u306e\u756a\u53f7\uff08\u8b58\u5225\u5b50\uff09\u3001\u6709\u52b9\u671f\u9650\uff08TTL\uff09\u306a\u3069\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30b5\u30a4\u30ba\u306f\u57fa\u672c <strong><span class=\"swl-marker mark_yellow\">20\u30d0\u30a4\u30c8<\/span><\/strong>\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\u4ed8\u304d\u3067\u6700\u592760\u30d0\u30a4\u30c8\uff09\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u672c\u4f53\u306f <span class=\"swl-marker mark_yellow\"><strong>IP\u30da\u30a4\u30ed\u30fc\u30c9<\/strong> <\/span>\u3068\u547c\u3070\u308c\u308b\u90e8\u5206\u3002<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">IP\u30d8\u30c3\u30c0\u306e\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5185\u5bb9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d5\u30a3\u30fc\u30eb\u30c9<\/th><th>\u82f1\u8a9e<\/th><th>\u30b5\u30a4\u30ba<\/th><th>\u5185\u5bb9\uff08\u521d\u5fc3\u8005\u5411\u3051\u306e\u4f8b\u3048\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u30d0\u30fc\u30b8\u30e7\u30f3<\/td><td>Version<\/td><td>4bit<\/td><td>IPv4\u306a\u3089\u300c4\u300d\u3002\u4e16\u4ee3\u756a\u53f7\u306e\u3088\u3046\u306a\u3082\u306e\u3002<\/td><\/tr><tr><td>\u30d8\u30c3\u30c0\u9577<\/td><td>IHL<\/td><td>4bit<\/td><td>\u30d8\u30c3\u30c0\u306e\u9577\u3055\uff08\u901a\u5e3820\u30d0\u30a4\u30c8\uff09\u3002\u4f1d\u7968\u306e\u30b5\u30a4\u30ba\u3002<\/td><\/tr><tr><td>\u30b5\u30fc\u30d3\u30b9\u30bf\u30a4\u30d7<\/td><td>ToS<\/td><td>8bit<\/td><td>\u512a\u5148\u5ea6\u306e\u6307\u5b9a\u3002\u97f3\u58f0\u901a\u4fe1\u3092\u512a\u5148\u3001\u306a\u3069\u3002<\/td><\/tr><tr><td>\u5168\u9577<\/td><td>Total Length<\/td><td>16bit<\/td><td>\u30d1\u30b1\u30c3\u30c8\u5168\u4f53\u306e\u9577\u3055\u3002\u8377\u7269\u306e\u30b5\u30a4\u30ba\u3002<\/td><\/tr><tr><td>\u8b58\u5225\u756a\u53f7<\/td><td>Identification<\/td><td>16bit<\/td><td>\u5206\u5272\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u307e\u3068\u3081\u308b\u305f\u3081\u306e\u756a\u53f7\u3002\u4f1d\u7968\u756a\u53f7\u3002<\/td><\/tr><tr><td>\u30d5\u30e9\u30b0<\/td><td>Flags<\/td><td>3bit<\/td><td>\u5206\u5272\u3092\u8a31\u53ef\u3059\u308b\u304b\u3069\u3046\u304b\u3001\u6700\u5f8c\u306e\u30d1\u30b1\u30c3\u30c8\u304b\u3069\u3046\u304b\u3092\u793a\u3059\u3002<\/td><\/tr><tr><td>\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30aa\u30d5\u30bb\u30c3\u30c8<\/td><td>Fragment Offset<\/td><td>13bit<\/td><td>\u5206\u5272\u3055\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u304c\u5143\u30c7\u30fc\u30bf\u306e\u3069\u306e\u4f4d\u7f6e\u304b\u3092\u793a\u3059\u3002<\/td><\/tr><tr><td>\u751f\u5b58\u6642\u9593\uff08TTL\uff09<\/td><td>Time to Live<\/td><td>8bit<\/td><td>\u30eb\u30fc\u30bf\u3092\u4f55\u53f0\u901a\u308c\u308b\u304b\u3002\u5bff\u547d\u30020\u306b\u306a\u308b\u3068\u5ec3\u68c4\u3002<\/td><\/tr><tr><td>\u30d7\u30ed\u30c8\u30b3\u30eb<\/td><td>Protocol<\/td><td>8bit<\/td><td>\u4e0a\u4f4d\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6307\u5b9a\u3002TCP=6, UDP=17 \u306a\u3069\u3002<\/td><\/tr><tr><td>\u30d8\u30c3\u30c0\u30c1\u30a7\u30c3\u30af\u30b5\u30e0<\/td><td>Header Checksum<\/td><td>16bit<\/td><td>\u30d8\u30c3\u30c0\u306b\u30a8\u30e9\u30fc\u304c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td><\/tr><tr><td>\u9001\u4fe1\u5143IP<\/td><td>Source Address<\/td><td>32bit<\/td><td>\u51fa\u767a\u5730\uff08\u9001\u308a\u4e3b\u306e\u4f4f\u6240\uff09\u3002<\/td><\/tr><tr><td>\u5b9b\u5148IP<\/td><td>Destination Address<\/td><td>32bit<\/td><td>\u5c4a\u3051\u5148\u306e\u4f4f\u6240\u3002<\/td><\/tr><tr><td>\u30aa\u30d7\u30b7\u30e7\u30f3<\/td><td>Options<\/td><td>\u53ef\u5909\u9577<\/td><td>\u666e\u6bb5\u306f\u4f7f\u308f\u306a\u3044\u3002\u7279\u5225\u306a\u8abf\u67fb\u3084\u30c6\u30b9\u30c8\u7528\u3002<\/td><\/tr><tr><td>\u30d1\u30c7\u30a3\u30f3\u30b0<\/td><td>Padding<\/td><td>\u53ef\u5909\u9577<\/td><td>\u9577\u3055\u309232bit\u5358\u4f4d\u306b\u63c3\u3048\u308b\u305f\u3081\u306e\u300c\u7a7a\u767d\u8abf\u6574\u300d\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">IP\u306e\uff13\u3064\u306e\u7279\u5fb4<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><span class=\"swl-marker mark_yellow\">\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b<\/span><\/strong>\n<ul class=\"wp-block-list\">\n<li>\u76f8\u624b\u3068\u4e8b\u524d\u306b\u300c\u63a5\u7d9a\u3092\u78ba\u7acb\u300d\u3057\u306a\u3044\u3067\u3001\u3044\u304d\u306a\u308a\u30c7\u30fc\u30bf\u3092\u9001\u308b\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u4f8b\uff1a\u624b\u7d19\u3092\u6295\u51fd\u3059\u308b\u3068\u304d\u3001\u30dd\u30b9\u30c8\u306b\u5165\u308c\u305f\u3089\u3059\u3050\u914d\u9054\u304c\u59cb\u307e\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><span class=\"swl-marker mark_yellow\">\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\u578b<\/span><\/strong>\n<ul class=\"wp-block-list\">\n<li>\u300c\u6700\u5584\u306f\u5c3d\u304f\u3059\u3051\u3069\u3001\u5fc5\u305a\u5c4a\u304f\u4fdd\u8a3c\u306f\u3057\u307e\u305b\u3093\u300d\u3068\u3044\u3046\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u305f\u3060\u3057TCP\u3068\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u3001\u518d\u9001\u306a\u3069\u3067\u7d50\u679c\u7684\u306b\u300c\u5fc5\u305a\u5c4a\u304f\u3088\u3046\u306b\u898b\u3048\u308b\u300d\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong><span class=\"swl-marker mark_yellow\">\u968e\u5c64\u578b\u30a2\u30c9\u30ec\u30c3\u30b7\u30f3\u30b0<\/span><\/strong>\n<ul class=\"wp-block-list\">\n<li>IP\u30a2\u30c9\u30ec\u30b9\u306f\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\u300d\u3068\u300c\u30db\u30b9\u30c8\u90e8\u300d\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u90e8\uff1d\u753a\u540d\u3001\u30db\u30b9\u30c8\u90e8\uff1d\u756a\u5730 \u306e\u30a4\u30e1\u30fc\u30b8\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30c8\u30b3\u30eb\u756a\u53f7\uff08\u4ee3\u8868\u4f8b\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 = ICMP\uff08\u901a\u4fe1\u30a8\u30e9\u30fc\u3084\u78ba\u8a8d\u306b\u4f7f\u3046\uff09<\/li>\n\n\n\n<li>6 = TCP\uff08\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\uff09<\/li>\n\n\n\n<li>17 = UDP\uff08\u901f\u3044\u3051\u3069\u4fdd\u8a3c\u306a\u3057\uff09<\/li>\n\n\n\n<li>89 = OSPF\uff08\u7d4c\u8def\u5236\u5fa1\u306b\u4f7f\u3046\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u25c6\u307e\u3068\u3081\u30b9\u30e9\u30a4\u30c9<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/TCP_IP.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"TCP_IP\u306e\u57cb\u3081\u8fbc\u307f\u3002\"><\/object><a id=\"wp-block-file--media-6367508c-6a18-4ed7-9e66-34f69494c2db\" href=\"https:\/\/ccna-curriculum.tech-village.co.jp\/wp-content\/uploads\/2025\/02\/TCP_IP.pdf\">TCP_IP<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>TCP\/IP\u3068\u306f \u521d\u5fc3\u8005\u30dd\u30a4\u30f3\u30c8\uff1a\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u540c\u58eb\u3067\u4f1a\u8a71\u3059\u308b\u3068\u304d\u306e\u300c\u5171\u901a\u306e\u30eb\u30fc\u30eb\u300d\u306e\u3053\u3068\u3002 TCP\/IP\u306e\u968e\u5c64\u30e2\u30c7\u30eb\uff084\u968e\u5c64\uff09 TCP\/IP\u968e\u5c64 OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306b\u5bfe\u5fdc \u4e3b\u306a\u5f79\u5272 \u4ee3\u8868\u30d7\u30ed\u30c8\u30b3\u30eb \u30a2\u30d7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-96","post","type-post","status-publish","format-standard","hentry","category-network"],"_links":{"self":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/96","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=96"}],"version-history":[{"count":6,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/96\/revisions"}],"predecessor-version":[{"id":586,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/96\/revisions\/586"}],"wp:attachment":[{"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=96"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=96"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccna-curriculum.tech-village.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=96"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}