{"id":5161,"date":"2023-11-03T20:37:12","date_gmt":"2023-11-03T11:37:12","guid":{"rendered":"https:\/\/engineer-chanpu.blog\/?p=5161"},"modified":"2024-05-05T10:00:42","modified_gmt":"2024-05-05T01:00:42","slug":"network-%ea%b8%b0%ec%b4%88-3-day-%eb%84%a4%ed%8a%b8%ec%9b%8c%ed%81%ac%ec%9d%98-%ec%a3%bc%ec%9a%94-%ea%b5%ac%ec%84%b1-%ec%9a%94%ec%86%8c%ec%99%80-%ea%b7%b8-%ea%b4%80%ea%b3%84","status":"publish","type":"post","link":"https:\/\/engineer-chanpu.blog\/?p=5161","title":{"rendered":"Network \uae30\ucd08: 3-Day \ub124\ud2b8\uc6cc\ud06c\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc640 \uadf8 \uad00\uacc4"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Network \ub294 \uc5b4\ub5bb\uac8c \uc774\ub8e8\uc5b4\uc838 \uc788\ub294\uac00?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Network \uad6c\uc131 \uc694\uc18c\ub97c \uc54c\uc544\uc57c \ud558\ub294 \uc774\uc720<\/h3>\n\n\n\n<p>\ubb34\uc5c7\uc774\ub4e0 \uae30\ucd08\uac00 \uc911\uc694\ud558\uc9c0\ub9cc <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\uc65c \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131 \uc694\uc18c\ub97c \uc54c\uc544\uc57c \ud558\ub294\uc9c0<\/mark> \uaf3d\uc544\ubcf4\uc790\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ud6a8\uc728\uc801\uc778 \uc124\uacc4 \ubc0f \uc6b4\uc601: \uc801\uc808\ud55c \uad6c\uc131 \uc694\uc18c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uc801\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><mark style=\"background-color:#000000\" class=\"has-inline-color has-luminous-vivid-amber-color\">\ubb38\uc81c \ud574\uacb0: \uc624\ub958 \ubc1c\uc0dd \uc2dc \uc6d0\uc778\uc744 \ube60\ub974\uac8c \ud30c\uc545\ud558\uace0 \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/mark><\/li>\n\n\n\n<li><mark style=\"background-color:#000000\" class=\"has-inline-color has-luminous-vivid-amber-color\">\ubcf4\uc548 \uac15\ud654: \ub124\ud2b8\uc6cc\ud06c\uc758 \ubcf4\uc548 \uc704\ud611\uc744 \uc798 \ub300\uc751\ud558\uace0 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/mark><\/li>\n\n\n\n<li>\uc131\ub2a5 \ucd5c\uc801\ud654: \ub124\ud2b8\uc6cc\ud06c\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucee4\ubba4\ub2c8\ucf00\uc774\uc158: \uc804\ubb38\uac00\uc640\uc758 \uc758\uc0ac\uc18c\ud1b5\uc774 \uc6d0\ud65c\ud574\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uae30\uc220 \uc5c5\ub370\uc774\ud2b8 \ubc0f \ud655\uc7a5: \uc0c8\ub85c\uc6b4 \uae30\uc220 \ub3c4\uc785\uc774\ub098 \ub124\ud2b8\uc6cc\ud06c \ud655\uc7a5\uc774 \uc6a9\uc774\ud574\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Network \uc758 \ud655\uc7a5\ud310: \uc778\ud130\ub137<\/h3>\n\n\n\n<p>\uc778\ud130\ub137\uc740 \uc804\uc138\uacc4\uc758 \ub124\ud2b8\uc6cc\ud06c\ub4e4\uc774 \uc5f0\uacb0\ub41c \uac70\ub300\ud55c \ub124\ud2b8\uc6cc\ud06c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. <mark style=\"background-color:#000000\" class=\"has-inline-color has-luminous-vivid-amber-color\">\uc8fc\ub85c Router\uc640 DNS\ub85c \uad6c\uc131<\/mark>\ub429\ub2c8\ub2e4.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust-1024x1024.jpeg\" alt=\"\" class=\"wp-image-5167\" style=\"aspect-ratio:1;width:510px;height:auto\" srcset=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust-1024x1024.jpeg 1024w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust-300x300.jpeg 300w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust-150x150.jpeg 150w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust-768x767.jpeg 768w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/ineternet-illust.jpeg 1300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">people with internet illustration<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Network \uad6c\uc131 \uc694\uc18c<\/h3>\n\n\n\n<p>\ub124\ud2b8\uc6cc\ud06c\ub294 \ub9ce\uc740 \uad6c\uc131 \uc694\uc18c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc73c\uba70, \uadf8\ub4e4 \uac01\uac01\uc774 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \uad6c\uc131 \uc694\uc18c\ub4e4\uc744 \uc815\ud655\ud788 \uc774\ud574\ud558\uace0 \uc54c\uc544\uc57c \ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc804\ubb38\uac00\ub098 \uad00\ub828 \ubd84\uc57c\uc5d0\uc11c \uc77c\ud558\ub294 \uc0ac\ub78c\ub4e4\uc5d0\uac8c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>1. Host<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc815\uc758: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub41c <\/mark>\uac1c\ubcc4 \uae30\uae30\ub098 \uc2dc\uc2a4\ud15c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud2b9\uc9d5: \uac01\uac01\uc758 Host\ub294 \uace0\uc720\ud55c IP \uc8fc\uc18c\ub97c \uac00\uc9c0\uba70, \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ud1b5\uc2e0\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>2. Computer + Network<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc815\uc758: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub41c \ucef4\ud4e8\ud130<\/mark>\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud2b9\uc9d5: \ub370\uc774\ud130\uc758 \uc1a1\uc218\uc2e0\uc744 \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \uce74\ub4dc(NIC)\uc640 \uac19\uc740 \ud558\ub4dc\uc6e8\uc5b4 \ubc0f \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uad6c\uc131 \uc694\uc18c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>3. Network \uadf8 \uc790\uccb4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc815\uc758: \uc5ec\ub7ec \uae30\uae30\ub098 \uc2dc\uc2a4\ud15c\ub4e4\uc774 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\uc0c1\ud638 \uc5f0\uacb0\ub418\uc5b4 \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud55c \uad6c\uc870\ub97c \uc758\ubbf8<\/mark>\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud2b9\uc9d5: \ud1b5\uc2e0 \uaddc\uc57d(\ud504\ub85c\ud1a0\ucf5c)\uc744 \uae30\ubc18\uc73c\ub85c \ub3d9\uc791\ud558\uba70, \ub370\uc774\ud130\uc758 \uc804\uc1a1 \ubc0f \ucc98\ub9ac\ub97c \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>4. Switching\uacfc Switch\uc758 \uc5ed\ud560<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc815\uc758: <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ub370\uc774\ud130 \ud504\ub808\uc784<\/mark>\uc744 \uc62c\ubc14\ub978 \ubaa9\uc801\uc9c0\ub85c \uc804\ub2ec\ud558\ub294 \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud558\ub294 \uc7a5\uce58.<\/li>\n\n\n\n<li>\ud2b9\uc9d5: MAC \uc8fc\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ub3d9\uc791\ud558\uba70, LAN \ud658\uacbd\uc5d0\uc11c \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"495\" height=\"353\" src=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-layer.png\" alt=\"\" class=\"wp-image-5176\" style=\"aspect-ratio:1.4022662889518414;width:495px;height:auto\" srcset=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-layer.png 495w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/network-layer-300x214.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/docs.oracle.com\/cd\/E18752_01\/html\/816-4554\/toc.html\"><br>System Administration Guide: IP Services<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n<p><mark style=\"background-color:#000000\" class=\"has-inline-color has-luminous-vivid-amber-color\">5. \uc8fc\uc18c (Address) \ubc0f \uc2a4\uc704\uce58 (Swich)<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mac Address: L2 \uc2a4\uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, Ethernet(\uc720\uc120) \ub610\ub294 802.11..(\ubb34\uc120)\uc758 \ubb3c\ub9ac\uc801 \uc8fc\uc18c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>IP Address: L3 \uc2a4\uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\uac01 \uc7a5\uce58\uc758 \ub124\ud2b8\uc6cc\ud06c \uc8fc\uc18c<\/mark>\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>Port Number: L4 \uc2a4\uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ud2b9\uc815 \uc11c\ube44\uc2a4\ub098 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ubd84\ud558\uae30 \uc704\ud55c \ubc88\ud638<\/mark>\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>HTTP(url): L7 \uc2a4\uc704\uce58\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\uc6f9 \uc11c\ube44\uc2a4\uc640 \uad00\ub828\ub41c \ud504\ub85c\ud1a0\ucf5c<\/mark>\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"540\" src=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet-1024x540.png\" alt=\"\" class=\"wp-image-5185\" style=\"aspect-ratio:1.8962962962962964;width:760px;height:auto\" srcset=\"https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet-1024x540.png 1024w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet-300x158.png 300w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet-768x405.png 768w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet-1536x810.png 1536w, https:\/\/engineer-chanpu.blog\/wp-content\/uploads\/2023\/11\/switch-internet.png 1702w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>6. Router\uc640 Firewall<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Router: \ub370\uc774\ud130 \ud328\ud0b7\uc758 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\ucd5c\uc801\uc758 \uacbd\ub85c\ub97c \uacb0\uc815\ud558\uace0 \ud328\ud0b7\uc744 \ud574\ub2f9 \uacbd\ub85c\ub85c \uc804\uc1a1<\/mark>\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>Firewall(F\/W)\uc640 IPS: \ub124\ud2b8\uc6cc\ud06c\uc758 \ubcf4\uc548\uc744 \uc704\ud55c \uc7a5\uce58\ub85c, \uc678\ubd80\ub85c\ubd80\ud130\uc758 \uacf5\uaca9\uc774\ub098 \ubb34\ub2e8 \uc811\uadfc\uc744 \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>7. Network\uc758 \uc774\uc6a9 \uc8fc\uccb4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Endpoint(\ub2e8\ub9d0\uae30): \ub124\ud2b8\uc6cc\ud06c\uc758 \ucd5c\uc885 \uc0ac\uc6a9\uc790\ub098 \uae30\uae30\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/mark><\/li>\n\n\n\n<li>Peer, Server, Client: \ub370\uc774\ud130\uc758 \uc1a1\uc218\uc2e0\uc744 \ub2f4\ub2f9\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Network \ub294 \uc5b4\ub5bb\uac8c \uc774\ub8e8\uc5b4\uc838 \uc788\ub294\uac00? Network \uad6c\uc131 \uc694\uc18c\ub97c \uc54c\uc544\uc57c \ud558\ub294 \uc774\uc720 \ubb34\uc5c7\uc774\ub4e0 \uae30\ucd08\uac00 \uc911\uc694\ud558\uc9c0\ub9cc \uc65c \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131 \uc694\uc18c\ub97c \uc54c\uc544\uc57c \ud558\ub294\uc9c0 \uaf3d\uc544\ubcf4\uc790\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4. Network \uc758 \ud655\uc7a5\ud310: \uc778\ud130\ub137 \uc778\ud130\ub137\uc740 \uc804\uc138\uacc4\uc758 \ub124\ud2b8\uc6cc\ud06c\ub4e4\uc774 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":6294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-5161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-notes"],"_links":{"self":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5161"}],"version-history":[{"count":19,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5161\/revisions"}],"predecessor-version":[{"id":6295,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/posts\/5161\/revisions\/6295"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=\/wp\/v2\/media\/6294"}],"wp:attachment":[{"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineer-chanpu.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}