{"id":36573,"date":"2026-04-06T09:01:32","date_gmt":"2026-04-06T00:01:32","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/04\/06\/36573\/"},"modified":"2026-04-06T09:01:32","modified_gmt":"2026-04-06T00:01:32","slug":"%ec%bb%b4%ed%93%a8%ed%84%b0%eb%84%a4%ed%8a%b8%ec%9b%8c%ed%81%ac-%ec%9d%b8%ed%84%b0%eb%84%b7-%ed%99%98%ea%b2%bd%ec%97%90%ec%84%9c-%ea%b3%84%ec%b8%b5-%ea%b5%ac%ec%a1%b0-%ed%94%84%eb%a1%9c%ed%86%a0","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/04\/06\/36573\/","title":{"rendered":"\ucef4\ud4e8\ud130\ub124\ud2b8\uc6cc\ud06c-\uc778\ud130\ub137 \ud658\uacbd\uc5d0\uc11c \uacc4\uce35 \uad6c\uc870 \ud504\ub85c\ud1a0\ucf5c\uc744 \uad6c\ud604\ud558\ub294 \ubaa8\ub378\uc744 \uc6b4\uc601\uccb4\uc81c\uc640 \uc0ac\uc6a9\uc790 \ud504\ub85c\uadf8\ub7a8 \ud658\uacbd\uc73c\ub85c \uad6c\ubd84\ud558\uc5ec \uc124\uba85\ud558\uc2dc\uc624."},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/05\/21\/data29899245-0001.jpg\"><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/05\/21\/data29899245-0002.jpg\"><\/p>\n<p><strong>\ubaa9\ucc28<\/strong><\/p>\n<p>\uc11c\ub860: OSI 7\uacc4\uce35 \ubaa8\ub378\uc774\ub780?<br \/>\n\ubcf8\ub860: OSI 7\uacc4\uce35\uc758 \uac01 \uacc4\uce35\uacfc \uae30\ub2a5<br \/>\n\uacb0\ub860<br \/>\n\ucd9c\ucc98<\/p>\n<p><strong>\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n<p>### \uc11c\ub860: OSI 7\uacc4\uce35 \ubaa8\ub378\uc774\ub780?<br \/>\n**OSI 7\uacc4\uce35 \ubaa8\ub378**\uc740 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc758 \ud1b5\uc2e0 \uad6c\uc870\ub97c 7\uac1c\uc758 \uacc4\uce35\uc73c\ub85c \ubd84\ub9ac\ud55c \ubaa8\ub378\uc785\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 **ISO (\uad6d\uc81c\ud45c\uc900\ud654\uae30\uad6c)**\uc5d0\uc11c \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \ud2b9\uc815 \uae30\ub2a5\uc744 \uc218\ud589\ud558\uba70, \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0 \uacfc\uc815\uc744 \ub2e8\uacc4\ubcc4\ub85c \ud30c\uc545\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n<p>### \ubcf8\ub860: OSI 7\uacc4\uce35\uc758 \uac01 \uacc4\uce35\uacfc \uae30\ub2a5<br \/>\n1. **\ubb3c\ub9ac \uacc4\uce35 (Physical Layer)**<br \/>\n    &#8211; \ucd5c\ud558\uc704 \uacc4\uce35\uc73c\ub85c, \ubb3c\ub9ac\uc801\uc778 \uc1a1\uc218\uc2e0\uc744 \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<br \/>\n    &#8211; \uc804\uae30\uc801, \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc774\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4.<br \/>\n    &#8211; \ud5c8\ube0c, \ub9ac\ud53c\ud130, \ub124\ud2b8\uc6cc\ud06c \uce74\ub4dc \ub4f1\uc774 \ubb3c\ub9ac \uacc4\uce35\uc5d0 \uc18d\ud569\ub2c8\ub2e4.<\/p>\n<p>2. **\ub370\uc774\ud130\ub9c1\ud06c \uacc4\uce35 (Data Link Layer)**<br \/>\n    &#8211; \ubb3c\ub9ac \uacc4\uce35\uc744 \ubc14\ud0d5\uc73c\ub85c \uc778\uc811\ud55c \ub450 \uc7a5\uce58 \uac04 \ub370\uc774\ud130\ub97c \uc8fc\uace0 \ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd9c\ucc98 : <a href=\"https:\/\/www.happycampus.com\/report-doc\/29899245\/\" target=\"_blank\">\ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 \uc11c\ub860: OSI 7\uacc4\uce35 \ubaa8\ub378\uc774\ub780? \ubcf8\ub860: OSI 7\uacc4\uce35\uc758 \uac01 \uacc4\uce35\uacfc \uae30\ub2a5 \uacb0\ub860 \ucd9c\ucc98 \ubcf8\ubb38\ub0b4\uc6a9 ### \uc11c\ub860: OSI 7\uacc4\uce35 \ubaa8\ub378\uc774\ub780? **OSI 7\uacc4\uce35 \ubaa8\ub378**\uc740 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc758 \ud1b5\uc2e0 \uad6c\uc870\ub97c 7\uac1c\uc758 \uacc4\uce35\uc73c\ub85c \ubd84\ub9ac\ud55c \ubaa8\ub378\uc785\ub2c8\ub2e4. \uc774 \ubaa8\ub378\uc740 **ISO (\uad6d\uc81c\ud45c\uc900\ud654\uae30\uad6c)**\uc5d0\uc11c \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uac01 \uacc4\uce35\uc740 \ud2b9\uc815 \uae30\ub2a5\uc744 \uc218\ud589\ud558\uba70, \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0 \uacfc\uc815\uc744 \ub2e8\uacc4\ubcc4\ub85c \ud30c\uc545\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. ### \ubcf8\ub860: OSI 7\uacc4\uce35\uc758 \uac01 \uacc4\uce35\uacfc \uae30\ub2a5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2417,13619,6868,2419],"class_list":["post-36573","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-ip","tag-13619","tag-6868","tag-2419"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/36573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=36573"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/36573\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=36573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=36573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=36573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}