{"id":2109,"date":"2019-10-30T18:29:02","date_gmt":"2019-10-30T09:29:02","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?post_type=study_report&#038;p=2109"},"modified":"2019-11-05T19:01:12","modified_gmt":"2019-11-05T10:01:12","slug":"network-basic-vol-1","status":"publish","type":"study_report","link":"https:\/\/www.bold.ne.jp\/engineer-club\/study_report\/network-basic-vol-1","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u52c9\u5f37\u4f1a\u30ec\u30dd\u30fc\u30c8 Vol.1"},"content":{"rendered":"<p>IT\u696d\u754c<span>(<\/span>\u4e3b\u306b\u30a4\u30f3\u30d5\u30e9\u73fe\u5834<span>)<\/span>\u3067\u306e\u696d\u52d9\u9042\u884c\u306b\u306f\u300c\u6700\u4f4e\u9650\u3053\u306e\u7a0b\u5ea6\u306f\u77e5\u3063\u3066\u304a\u304b\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u300d\u3068\u8a00\u308f\u308c\u308b\u6280\u8853\u304c\u3042\u308a\u3001\u305d\u306e\u4e2d\u3067\u6700\u3082\u57fa\u790e\u3068\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001\u3053\u308c\u307e\u3067\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u300c\u4e2d\u9014\u534a\u7aef\u306b\u7406\u89e3\u3057\u3066\u3044\u308b\u300d\u3068\u601d\u308f\u308c\u308b\u500b\u6240<span>(<\/span>\u57fa\u790e<span>)<\/span>\u3092\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u3001\u4eca\u5f8c\u306e<span>IT<\/span>\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u306e\u6d3b\u8e8d\u306b\u8ca2\u732e\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u6211\u304c\u793e\u306e\u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u304c\u8a8d\u5b9a\u3059\u308b\u8a66\u9a13\u3092\u542b\u3081\u3001\u5168<span>3<\/span>\u56de\u306e\u300c<span>NW<\/span>\u57fa\u790e\u52c9\u5f37\u4f1a\u300d\u3092\u30ec\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h2><strong><\/strong><strong>\uff11\uff0e\u4eca\u56de\u306e\u30c6\u30fc\u30de\u3068\u5185\u5bb9<\/strong><\/h2>\n<p>\u4eca\u56de\u306e\u30c6\u30fc\u30de\u306f\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u3067\u3059\u3002<\/p>\n<p>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u306f\u805e\u304d\u306a\u308c\u305f\u8a00\u8449\u3067\u3042\u308a\u3001\u304a\u304a\u3088\u305d\u306e\u610f\u5473\u5408\u3044\u3068\u3057\u3066\u300c\u7e4b\u304c\u308a\u300d\u300c\u7db2\u72b6\u306e\u3082\u306e\u300d\u306a\u3069\u3092\u9023\u60f3\u3055\u305b\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u6b63\u89e3\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308b\u304c\u3001\u3061\u3083\u3093\u3068\u8a00\u3048\u307e\u3059\u304b\uff1f\u300d\u3068\u805e\u304f\u3068\u3001\u6b86\u3069\u306e\u53d7\u8b1b\u751f\u306f\u56de\u7b54\u51fa\u6765\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u307e\u305f\u3001\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u3082\u805e\u3044\u305f\u3053\u3068\u306f\u3042\u308b\u304b\u3082\u77e5\u308c\u306a\u3044\u304c\u3001\u7d50\u5c40\u306e\u3068\u3053\u308d\u4f55\u306a\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u2026\u3068\u8a00\u3063\u305f\u53d7\u8b1b\u751f\u304c\u6b86\u3069\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u300c\u4e2d\u9014\u534a\u7aef\u306b\u7406\u89e3\u3057\u3066\u3044\u308b\u72b6\u614b\u300d\u3092\u89e3\u6d88\u3059\u308b\u70ba\u306b\u3001\u4eca\u56de\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3064\u3044\u3066\u52c9\u5f37\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><strong>\uff11-\uff11\uff0e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306f\u306a\u3093\u3060\uff1f<\/strong><\/h3>\n<p>\u300c\u300e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300f\u3068\u306f\u3001\u76f4\u8a33\u3059\u308b\u3068\u60c5\u5831\u7db2\u3084\u7db2\u72b6\u7d44\u7e54\u3068\u3044\u3046\u610f\u5473\u3002\uff12\u3064\u4ee5\u4e0a\u306e\u3082\u306e\u540c\u58eb\u3092\u3064\u306a\u304e\u201c\u60c5\u5831\u3084\u8cc7\u7523\u3092\u4e92\u3044\u306b\u5171\u6709\u3057\u3042\u3046\u72b6\u614b\u201d\u3092\u8a00\u3046\u3002\u300d\u3068\u5207\u308a\u51fa\u3059\u8b1b\u5e2b\u306b\u5bfe\u3057\u3001\u53d7\u8b1b\u8005\u305f\u3061\u306f\u300c\u5206\u304b\u3063\u3066\u307e\u3059\u300d\u3068\u8a00\u3063\u305f\u8868\u60c5\u3092\u6d6e\u304b\u3079\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u308c\u3082\u305d\u306e\u306f\u305a\u3001\u73fe\u4ee3\u306b\u304a\u3044\u3066\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u8a00\u3046\u8a00\u8449\u304c\u6d78\u900f\u3057\u3066\u304a\u308a\u3001<span>Internet<\/span>\u3092\u5229\u7528\u3057\u305f\u3053\u3068\u304c\u306a\u3044\u3068\u8a00\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u5b58\u5728\u3057\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001\u300c\u7686\u3055\u3093\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3042\u308b\u4ee5\u4e0a\u3001\u3055\u3059\u304c\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3054\u5b58\u77e5\u3067\u3059\u306d\u3002\u3067\u306f\u3001\u5e7e\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u3061\u3083\u3093\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7a2e\u985e\u3068\u5185\u5bb9\u3092\u8a00\u3048\u307e\u3059\u304b\uff1f\u300d\u3068\u8b1b\u5e2b\u304c\u53d7\u8b1b\u8005\u3078\u554f\u3044\u304b\u3051\u308b\u3068\u3001\u300c\u3048\uff1f\u7a2e\u985e\uff1f\u300d\u300c\u305d\u3093\u306a\u306b\u6ca2\u5c71\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3063\u3066\u3042\u3063\u305f\u3063\u3051\uff1f\u300d\u3068\u8a00\u3063\u305f\u69d8\u5b50\u3002\u8b1b\u5e2b\u306f\u300c\u3046\u3093\u3046\u3093\u300d\u3068\u9837\u304d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u7a2e\u985e\u3068\u5229\u7528\u76ee\u7684\u3092\u8aac\u660e\u3057\u3066\u304f\u308c\u307e\u3057\u305f\u3002<\/p>\n<h4>\u2460LAN(LocalAreaNetwork)\uff1a\u72ed\u3044\u7bc4\u56f2<span>(<\/span>\u30ed\u30fc\u30ab\u30eb<span>)<\/span>\u306e\u6577\u5730\u5185\u3067\u69cb\u7bc9\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h4>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso1-550x154.png\" alt=\"\" width=\"550\" height=\"154\" class=\"size-medium wp-image-2110 aligncenter\" \/><\/p>\n<h4>\u2461WAN(WideAreaNetwork)\uff1a\u672c\u793e<span>&#8211;<\/span>\u652f\u793e\u306a\u3069\u5730\u7406\u7684\u306b\u96e2\u308c\u305f\u5730\u70b9\u306b\u3042\u308b\u6a5f\u5668\u540c\u58eb\u3092\u3064\u306a\u3050\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h4>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso2-550x154.png\" alt=\"\" width=\"550\" height=\"154\" class=\"size-medium wp-image-2111 aligncenter\" \/><\/p>\n<h4>\u2462\u30a4\u30f3\u30c8\u30e9\u30cd\u30c3\u30c8\uff1a\u4f01\u696d\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3088\u3046\u306b\u7279\u5b9a\u306e\u7ba1\u7406\u4e3b\u4f53\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u5185\u90e8\uff08<span>Intra<\/span>\uff09\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h4>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso3-550x154.png\" alt=\"\" width=\"550\" height=\"154\" class=\"size-medium wp-image-2112 aligncenter\" \/><\/p>\n<h4>\u2463\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u3053\u3068\u3092\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u3068\u3044\u3046\u3002\u69d8\u3005\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u76f8\u4e92\u63a5\u7d9a\u3057\u3001\u8ab0\u3067\u3082\u5229\u7528\u3067\u304d\u308b\u4e16\u754c\u898f\u6a21\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h4>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso4-550x158.png\" alt=\"\" width=\"550\" height=\"158\" class=\"size-medium wp-image-2113 aligncenter\" \/><\/p>\n<p>\u300c\u3042\u3041\u3001\u805e\u3044\u305f\u3053\u3068\u3042\u308b\u3057\u77e5\u3063\u3066\u308b\u300d\u3068\u8a00\u3063\u305f\u53d7\u8b1b\u8005\u306e\u8868\u60c5\u3092\u898b\u3066\u3001\u300c\u3053\u308c\u3089\u3092\u5484\u55df\u306b\u7b54\u3048\u3089\u308c\u306a\u3044\u306e\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u5229\u7528\u76ee\u7684\u3084\u69cb\u6210\u3092\u3061\u3083\u3093\u3068\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u5207\u308a\u5206\u3051\u306a\u3069\u3001\u5f8c\u624b\u306b\u56de\u3063\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u3002\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u3042\u308b\u4ee5\u4e0a\u3001\u77ac\u6642\u306b\u72b6\u6cc1\u3084\u69cb\u6210\u3092\u63b4\u307f\u3001\u5373\u5ea7\u306b\u554f\u984c\u306e\u539f\u56e0\u5206\u6790\u306b\u5165\u308c\u308b\u3088\u3046\u3001\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u300d\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u306e\u91cd\u8981\u6027\u3092\u5192\u982d\u3067\u6c17\u4ed8\u304b\u305b\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3><strong><\/strong><strong>\uff11-\uff12\uff0e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u6210\u8981\u7d20<\/strong><\/h3>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306f\u300c\u6a5f\u5668\u306e\u3064\u306a\u304c\u308a\u300d\u3067\u3042\u308b\u4ee5\u4e0a\u3001\u69cb\u6210\u8981\u7d20\u3068\u3057\u3066\u69d8\u3005\u306a\u6a5f\u5668\u304c\u3042\u308a\u3001\u5927\u304d\u304f<span>4<\/span>\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u6bce\u306b\u5177\u4f53\u7684\u306a\u8aac\u660e\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u30db\u30b9\u30c8\uff1a\u901a\u4fe1\u3092\u884c\u3046\u7aef\u672b<\/li>\n<li>\u30eb\u30fc\u30bf\u30fc\uff1a\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b0\u30eb\u30fc\u30d7\u72b6\u306e\u30db\u30b9\u30c8\u304c\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u88c5\u7f6e<\/li>\n<li>\u30b9\u30a4\u30c3\u30c1\uff1a\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b0\u30eb\u30fc\u30d7\u4e0a\u306e\u30db\u30b9\u30c8\u3068\u901a\u4fe1\u304c\u51fa\u6765\u308b\u69d8\u306b\u3059\u308b\u88c5\u7f6e<\/li>\n<li>\u305d\u306e\u4ed6\uff1a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u6a5f\u5668<span>(<\/span>\u30d5\u30a1\u30a4\u30e4\u30fc\u30a6\u30a9\u30fc\u30eb\u3084\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc<span>)<\/span>\u30fb<span>HUB<\/span>\u30fb\u30b1\u30fc\u30d6\u30eb\u306a\u3069<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso5-1-550x196.png\" alt=\"\" width=\"550\" height=\"196\" class=\"size-medium wp-image-2115 aligncenter\" \/><\/p>\n<p>\u6539\u3081\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u6210\u3059\u308b\u8981\u7d20\u306e\u8aac\u660e\u3092\u53d7\u3051\u3001\u300c\u5206\u304b\u3063\u3066\u3044\u305f\u3051\u3069\u6b63\u3057\u304f\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u300d\u3068\u8a00\u3046\u58f0\u304c\u591a\u304f\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002\u8b1b\u7fa9\u3067\u306f\u300c\u5358\u306b\u8aac\u660e\u3092\u805e\u304f\u3060\u3051\u300d\u3067\u306f\u306a\u304f\u3001\u866b\u98df\u3044\u5f62\u5f0f\u306e\u8b1b\u7fa9\u7528\u30ce\u30fc\u30c8\u3092\u914d\u5e03\u3057\u3066\u304a\u308a\u3001\u8aac\u660e\u3092\u805e\u3044\u305f\u969b\u306b\u306f\u7a7a\u6b04\u3078\u30dd\u30a4\u30f3\u30c8\u3092\u66f8\u304d\u8fbc\u3080\u30b9\u30bf\u30a4\u30eb\u3068\u3057\u3066\u304a\u308a\u3001\u6700\u7d42\u8b1b\u7fa9\u306e\u8a8d\u5b9a\u8a66\u9a13\u3067\u306f\u3001\u3053\u306e\u8b1b\u7fa9\u30ce\u30fc\u30c8\u3068\u5bbf\u984c\u304b\u3089\u306e\u51fa\u984c\u304c\u6b86\u3069\u3068\u304b\u3002<\/p>\n<p>\u53d7\u8b1b\u8005\u306f\u8a8d\u5b9a\u8a66\u9a13\u306b\u5408\u683c\u3057\u305f\u3044\u306e\u3067\u3001\u5fc5\u6b7b\u306b\u66f8\u304d\u8fbc\u3093\u3067\u3044\u308b\u59ff\u304c\u300c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u306a\u308b\u3093\u3060\uff01\u300d\u3068\u8a00\u3046\u610f\u601d\u306e\u9ad8\u3055\u304c\u4f3a\u3048\u3001\u3068\u3066\u3082\u5370\u8c61\u7684\u3067\u3057\u305f\u3002<\/p>\n<h3><strong><\/strong><strong>\uff11-\uff13\uff0e\u30d7\u30ed\u30c8\u30b3\u30eb\u3063\u3066\u306a\u3093\u3060\uff1f<\/strong><\/h3>\n<p>\u300c\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001\u30eb\u30fc\u30eb\u306e\u4e8b\u3067\u3059\u300d\u3068\u5207\u308a\u51fa\u3057\u305f\u8b1b\u5e2b\u306f\u3001\u4eba\u3068\u4eba\u3068\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f8b\u306b\u6319\u3052\u8aac\u660e\u3057\u59cb\u3081\u307e\u3057\u305f\u3002<\/p>\n<p>\u300c\u4f8b\u3048\u3070\u3001\u6700\u5927\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u3042\u308b\u8a00\u8a9e\u3001\u3053\u306e\u8a00\u8a9e\u304c\u7570\u306a\u308b\u4eba\u540c\u58eb\u306e\u4f1a\u8a71\u306f\u3001\u975e\u5e38\u306b\u56f0\u96e3\u3067\u3042\u308a\u3001\u901a\u3058\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u4e16\u754c\u3067\u3082\u540c\u69d8\u3067\u3042\u308a\u3001\u304a\u4e92\u3044\u306b\u7406\u89e3\u3059\u308b\u70ba\u306b\u5fc5\u8981\u306a\u624b\u7d9a\u304d\u3084\u624b\u9806\u306a\u3069\u3092\u30eb\u30fc\u30eb\u5316\u3057\u3001\u7d04\u675f\u4e8b\u3068\u3057\u305f\u3082\u306e\u304c\u30d7\u30ed\u30c8\u30b3\u30eb\u306a\u306e\u3067\u3059\u300d\u3002\u975e\u5e38\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u8aac\u660e\u306b\u53d7\u8b1b\u8005\u306f\u5927\u304d\u304f\u3046\u306a\u305a\u304d\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5fc5\u8981\u6027\u3068\u305d\u306e\u6a19\u6e96\u5316\u304c\u3044\u304b\u306b\u91cd\u8981\u306a\u306e\u304b\u8868\u60c5\u304b\u3089\u898b\u3066\u53d6\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso6.png\" alt=\"\" width=\"340\" height=\"171\" class=\"size-full wp-image-2116 aligncenter\" \/><\/p>\n<p>\u203b\u8b1b\u7fa9\u30ce\u30fc\u30c8\u3067\u306f\u8d64\u3044\u6587\u5b57\u306e\u90e8\u5206\u304c\u7a7a\u6b04\u3068\u306a\u3063\u3066\u3044\u3066\u3001\u53d7\u8b1b\u8005\u306f\u8aac\u660e\u3092\u805e\u304d\u306a\u304c\u3089\u30e1\u30e2\u3092\u53d6\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><strong><\/strong><strong>\uff11-\uff14\uff0e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e2\u30c7\u30eb\u3068\u306f<\/strong><\/h3>\n<p>\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u8aac\u660e\u3059\u308b\u306b\u3042\u305f\u308a\u3001\u5fc5\u8981\u4e0d\u53ef\u6b20\u3068\u306a\u308b\u306e\u304c\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e2\u30c7\u30eb\u300d\u3067\u3059\u3002\u901a\u4fe1\u3092\u884c\u3046\u969b\u3001\u300c\u968e\u5c64\u3054\u3068\u306b\u4f5c\u696d\u3092\u72ec\u7acb\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u300d\u3053\u3068\u306b\u3088\u308a\u3001\u4ed6\u306e\u968e\u5c64\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306a\u304f\u4f5c\u696d\u3092\u884c\u3046\u3001\u3059\u306a\u308f\u3061\u300c\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u300d\u3053\u3068\u3084\u3001\u5404\u968e\u5c64\u306e\u300c\u4f5c\u696d\u3092\u5358\u7d14\u5316\u300d\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u968e\u5c64\u5316\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30e2\u30c7\u30eb\u3092\u300c<span>OSI<\/span>\u53c2\u7167\u30e2\u30c7\u30eb\u300d\u3068\u547c\u3073\u3001<span>ISO(<\/span>\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb<span>)<\/span>\u306b\u3066\u5b9a\u3081\u3089\u308c\u305f\u3001\u4e16\u754c\u6a19\u6e96\u3068\u306a\u308b\u901a\u4fe1\u306e\u968e\u5c64\u5316\u30e2\u30c7\u30eb\u306e\u8aac\u660e\u304c\u59cb\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<h4><strong>\u2460<\/strong><strong>OSI<\/strong><strong>\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u8aac\u660e<\/strong><\/h4>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso7.png\" alt=\"\" width=\"545\" height=\"194\" class=\"size-full wp-image-2117 aligncenter\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso8-1.png\" alt=\"\" width=\"464\" height=\"327\" class=\"size-full wp-image-2119 alignleft\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso9.png\" alt=\"\" width=\"464\" height=\"384\" class=\"alignnone size-full wp-image-2120\" \/><\/p>\n<p>\u8b1b\u7fa9\u3067\u306f\u5206\u304b\u308a\u3084\u3059\u304f\u5177\u4f53\u7684\u306a\u8aac\u660e\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3001\u53d7\u8b1b\u8005\u306f\u300c\u899a\u3048\u308b\u306e\u304c\u5927\u5909\u3060\u2026\u300d\u3068\u8a00\u3063\u305f\u8868\u60c5\u3067\u4e00\u751f\u61f8\u547d\u30e1\u30e2\u3092\u53d6\u308a\u3001\u8b1b\u7fa9\u30ce\u30fc\u30c8\u304c\u771f\u3063\u8d64\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3><strong><\/strong><strong>\uff11-\uff15\uff0e\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/h3>\n<p>\u3053\u3053\u307e\u3067\u306e\u8b1b\u7fa9\u3067\u304b\u306a\u308a\u304a\u8179\u304c\u4e00\u676f\u306a\u53d7\u8b1b\u8005\u3067\u3057\u305f\u304c\u3001\u8b1b\u7fa9\u306f\u7d42\u76e4\u306b\u5165\u308a\u300c\u4ee3\u8868\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u8aac\u660e\u300d\u3068\u3057\u3066\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3044\u3066\u805e\u304d\u306a\u308c\u3066\u3044\u308b\u300c<span>TCP\/IP<\/span>\u300d\u306e\u8aac\u660e\u304c\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso10-1.png\" alt=\"\" width=\"457\" height=\"242\" class=\"size-full wp-image-2122 alignleft\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso11.png\" alt=\"\" width=\"306\" height=\"225\" class=\"alignnone size-full wp-image-2123\" \/><\/p>\n<p>\u305d\u3082\u305d\u3082\u30c7\u30fc\u30bf\u306f\u30d1\u30b1\u30c3\u30c8\u5358\u4f4d\u3067\u901a\u4fe1\u3055\u308c\u3066\u3044\u308b\u8aac\u660e\u3084\u3001<span>TCP<\/span>\u3068<span>UDP<\/span>\u306e\u5927\u304d\u306a\u7279\u5fb4\u304c\u56f3\u89e3\u3055\u308c\u3066\u304a\u308a\u3001\u305f\u3068\u3048\u8a71\u3092\u4ea4\u3048\u306a\u304c\u3089<span>TCP\/IP<\/span>\u306e\u8aac\u660e\u3092\u53d7\u3051\u3001\u53d7\u8b1b\u8005\u306f\u3068\u3066\u3082\u7406\u89e3\u3057\u305f\u8868\u60c5\u3067\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso12.png\" alt=\"\" width=\"423\" height=\"103\" class=\"size-full wp-image-2124 alignleft\" \/><\/p>\n<p>\u5de6\u56f3\u306f\u30d1\u30b1\u30c3\u30c8\u901a\u4fe1\u306e\u6982\u8981\u8aac\u660e\u3067\u7528\u3044\u3089\u308c\u305f\u30c6\u30ad\u30b9\u30c8<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso13.png\" alt=\"\" width=\"459\" height=\"193\" class=\"size-full wp-image-2125 alignleft\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u5de6\u56f3\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044TCP\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u8aac\u660e\u306b\u4f7f\u7528\u3055\u308c\u305f\u30c6\u30ad\u30b9\u30c8<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2019\/10\/NWkiso14.png\" alt=\"\" width=\"397\" height=\"165\" class=\"size-full wp-image-2126 alignleft\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u5de6\u56f3\u306f\u901f\u5ea6\u91cd\u8996\u306eUDP\u8aac\u660e\u306b\u7528\u3044\u3089\u308c\u305f\u30a4\u30e1\u30fc\u30b8\u56f3<\/p>\n<p>\u3053\u3053\u307e\u3067\u306e\u8aac\u660e\u3067\u7b2c<span>1<\/span>\u56de\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u52c9\u5f37\u4f1a\u304c\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002\u53d7\u8b1b\u8005\u306f\u304b\u306a\u308a\u306e\u91cf\u306e\u60c5\u5831\u3092\u8a70\u3081\u8fbc\u307e\u308c\u3001\u305f\u3063\u305f<span>2<\/span>\u6642\u9593\u306e\u8b1b\u7fa9\u3067\u3042\u308a\u306a\u304c\u3089\u3068\u3066\u3082\u75b2\u5f0a\u3057\u3001\u6280\u8853\u3092\u8eab\u306b\u3064\u3051\u308b\u3068\u8a00\u3046\u4e8b\u306e\u53b3\u3057\u3055\u3082\u5b66\u3093\u3060\u69d8\u5b50\u3067\u3057\u305f\u3002<\/p>\n<h2><strong><\/strong><strong>\uff12\uff0e\u6b21\u56de\u4e88\u544a<\/strong><\/h2>\n<p>\u7b2c<span>2<\/span>\u56de\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u790e\u52c9\u5f37\u4f1a\u306f\u300c<span>IP<\/span>\u30a2\u30c9\u30ec\u30b9\u300d\u306b\u3064\u3044\u3066\u91cd\u70b9\u7684\u306b\u8b1b\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30a4\u30f3\u30ca\u30c3\u30d7\uff1a<br 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\/>\n\u30fb<span>IP<\/span>\u30a2\u30c9\u30ec\u30b9\u306e\u4f7f\u3044\u65b9<\/p>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306e\u77e5\u8b58\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u3068\u3001\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u52ff\u8ad6\u306e\u3053\u3068\u3001\u958b\u767a\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u3082\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u306f\u6163\u308c\u306a\u3044<span>(<\/span>\u3068\u65ad\u8a00\u3067\u304d\u308b<span>)<\/span>\u306e\u3067\u3001<span>IP<\/span>\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u30fb\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u306e\u8a08\u7b97\u306a\u3069\u3001\u3057\u3063\u304b\u308a\u8eab\u306b\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2><strong><\/strong><strong>\uff13\uff0e\u53d7\u8b1b\u8005\u306e\u58f0\u3068\u8a55\u4fa1<\/strong><\/h2>\n<p>\u4eca\u56de\u306e\u53c2\u52a0\u4eba\u6570<strong><span>19<\/span>\u540d<\/strong>\u3001\u8f9b\u53e3\u306e\u53d7\u8b1b\u8005\u30a2\u30f3\u30b1\u30fc\u30c8\u3067\u306f\u3001<strong>\u6e80\u8db3\u5ea6\u304c\u5e73\u5747\u300c<span>95.5<\/span>\u70b9\u300d<\/strong>\u3092\u7372\u5f97\u3057\u3001<strong>\u300c\u8b1b\u5e2b\u304c\u6307\u540d\u3092\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u53d7\u3051\u8eab\u7684\u3067\u306a\u304f\u4e3b\u4f53\u7684\u306b\u53c2\u52a0\u3067\u304d\u308b\u300d\u300c\u8aac\u660e\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u4e01\u5be7\u3060\u3063\u305f\u300d\u300c\u7df4\u7fd2\u554f\u984c\u3082\u591a\u304b\u3063\u305f\u306e\u3067\u7406\u89e3\u3057\u3084\u3059\u304b\u3063\u305f\u300d<\/strong>\u306a\u3069\u3001\u591a\u304f\u306e\u8a55\u4fa1\u3092\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001\u8b1b\u7fa9\u5f8c\u306b\u8b1b\u5e2b\u306e\u5143\u3078\u306f<strong>\u300c\u3068\u3066\u3082\u697d\u3057\u3044\u96f0\u56f2\u6c17\u306a\u306e\u3067\u96c6\u4e2d\u3057\u3066\u8b1b\u7fa9\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u300d\u300c\u5b66\u3093\u3060\u3053\u3068\u304c\u6b21\u306e\u65e5\u306e\u696d\u52d9\u306b\u3059\u3050\u306b\u5f79\u7acb\u3063\u305f\u300d<\/strong>\u306a\u3069\u3001\u53d7\u8b1b\u8005\u306e\u3082\u3063\u3068\u3082\u3063\u3068\u5411\u4e0a\u3057\u305f\u3044\u3068\u8a00\u3046\u610f\u6b32\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><strong><\/strong><strong>\uff14\uff0e\u52c9\u5f37\u4f1a\u3067\u4f1d\u3048\u305f\u3044\u4e8b<\/strong><\/h2>\n<p>\u4eca\u56de\u3001\u6700\u3082\u4f1d\u3048\u305f\u304b\u3063\u305f\u4e8b\u306f\u300c\u57fa\u790e\u3060\u304b\u3089\u3053\u305d\u4e2d\u9014\u534a\u7aef\u306a\u7406\u89e3\u3067\u3044\u3066\u6b32\u3057\u304f\u306a\u3044\u300d\u3068\u8a00\u3046\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u805e\u3044\u305f\u3053\u3068\u304c\u3042\u3063\u3066\u3082\u3001\u89e6\u308c\u305f\u3053\u3068\u304c\u3042\u3063\u3066\u3082\u3001\u672c\u8cea\u7684\u306a\u90e8\u5206\u304c\u7406\u89e3\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u305d\u306e\u5148\u306b\u3042\u308b\u554f\u984c\u3084\u8ab2\u984c\u3092\u30af\u30ea\u30a2\u3059\u308b\u4e8b\u304c\u51fa\u6765\u305a\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3068\u3057\u3066\u306e\u4ed5\u4e8b\u3067\u306f\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u306b\u306a\u308a\u305f\u3051\u308c\u3070\u57fa\u790e\u3092\u758e\u304b\u306b\u3059\u308b\u306a\u3002<br 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