{"id":53294,"date":"2023-05-19T07:27:15","date_gmt":"2023-05-19T07:27:15","guid":{"rendered":"https:\/\/mdacoinco.com\/?p=53294"},"modified":"2025-09-17T01:31:07","modified_gmt":"2025-09-17T01:31:07","slug":"he-thong-mang-dien-rong","status":"publish","type":"post","link":"https:\/\/bocau.com.vn\/en\/he-thong-mang-dien-rong\/","title":{"rendered":"SYSTEM WIDE AREA NETWORK"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ea1ng LAN t\u1ed1i thi\u1ec3u c\u1ea7n c\u00f3 m\u00e1y ch\u1ee7 (server), c\u00e1c thi\u1ebft b\u1ecb gh\u00e9p n\u1ed1i (Repeater, Hub, Switch, Bridge), m\u00e1y t\u00ednh con (client), card m\u1ea1ng (Network Interface Card \u2013 NIC) v\u00e0 d\u00e2y c\u00e1p (cable) \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh l\u1ea1i v\u1edbi nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wifi l\u00e0 m\u1ed9t m\u1ea1ng kh\u00f4ng d\u00e2y c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng kh\u00e1c hay v\u1edbi m\u00e1y t\u00ednh b\u1eb1ng s\u00f3ng v\u00f4 tuy\u1ebfn. N\u00f3 nhanh h\u01a1n v\u00e0 ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng l\u1edbn h\u01a1n Bluetooth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ng\u01b0\u1eddi v\u1edbi thi\u1ebft b\u1ecb c\u00f3 c\u00e0i \u0111\u1eb7t wifi nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, PDA c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i Internet khi \u1edf g\u1ea7n \u0111i\u1ec3m truy c\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wifi ho\u1ea1t \u0111\u1ed9ng \u1edf hai t\u1ed1c \u0111\u1ed9: v\u1edbi chu\u1ea9n 802.11n th\u00ec t\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i d\u1eef li\u1ec7u l\u00e0 600Mbps v\u00e0 v\u1edbi chu\u1ea9n 802.11ac th\u00ec t\u1ed1c \u0111\u1ed9 \u0111\u1ea1t \u0111\u01b0\u1ee3c 1Gbps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng m\u1ea1ng LAN \u0111i\u1ec3n h\u00ecnh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng chuy\u1ec3n m\u1ea1ch IP hay Ethernet, bao g\u1ed3m ba quy m\u00f4 sau::<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ H\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee1 l\u1edbn (Enterprise): C\u00f3 s\u1ed1 l\u01b0\u1ee3ng n\u00fat m\u1ea1ng t\u1eeb 800-1000 n\u00fat m\u1ea1ng tr\u1edf l\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ H\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee1 trung b\u00ecnh(Medium): C\u00f3 s\u1ed1 l\u01b0\u1ee3ng n\u00fat m\u1ea1ng t\u1eeb 100-800 n\u00fat m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+ H\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee1 nh\u1ecf(Small networks): C\u00f3 s\u1ed1 l\u01b0\u1ee3ng n\u00fat m\u1ea1ng d\u01b0\u1edbi 100 n\u00fat m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u01a0 \u0110\u1ed2 NGUY\u00caN L\u00dd \u0110I\u1ec2N H\u00ccNH<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"623\" src=\"https:\/\/bocau.com.vn\/wp-content\/uploads\/2023\/05\/he-thong-mang-may-tinh.jpg\" alt=\"\" class=\"wp-image-55053\" srcset=\"https:\/\/bocau.com.vn\/wp-content\/uploads\/2023\/05\/he-thong-mang-may-tinh.jpg 925w, https:\/\/bocau.com.vn\/wp-content\/uploads\/2023\/05\/he-thong-mang-may-tinh-300x202.jpg 300w, https:\/\/bocau.com.vn\/wp-content\/uploads\/2023\/05\/he-thong-mang-may-tinh-768x517.jpg 768w, https:\/\/bocau.com.vn\/wp-content\/uploads\/2023\/05\/he-thong-mang-may-tinh-18x12.jpg 18w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t m\u1ea1ng LAN t\u1ed1i thi\u1ec3u c\u1ea7n c\u00f3 m\u00e1y ch\u1ee7 (server), c\u00e1c thi\u1ebft b\u1ecb gh\u00e9p n\u1ed1i (Repeater, Hub, Switch, Bridge), m\u00e1y t\u00ednh con (client), card m\u1ea1ng (Network Interface Card \u2013 NIC) v\u00e0 d\u00e2y c\u00e1p (cable) \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh l\u1ea1i v\u1edbi nhau. Wifi l\u00e0 m\u1ed9t m\u1ea1ng kh\u00f4ng d\u00e2y c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u1edbi [&#8230;]\n","protected":false},"author":1,"featured_media":53295,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-53294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-giai-phap"],"_links":{"self":[{"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/posts\/53294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/comments?post=53294"}],"version-history":[{"count":2,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/posts\/53294\/revisions"}],"predecessor-version":[{"id":55054,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/posts\/53294\/revisions\/55054"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/media\/53295"}],"wp:attachment":[{"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/media?parent=53294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/categories?post=53294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bocau.com.vn\/en\/wp-json\/wp\/v2\/tags?post=53294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}