{"id":29639,"date":"2025-11-08T09:03:35","date_gmt":"2025-11-08T02:03:35","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=29639"},"modified":"2025-11-08T09:49:47","modified_gmt":"2025-11-08T02:49:47","slug":"mang-lan","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/mang-lan\/","title":{"rendered":"M\u1ea1ng LAN l\u00e0 g\u00ec? Th\u00e0nh ph\u1ea7n, \u0111\u1eb7c \u0111i\u1ec3m &#038; So v\u1edbi lo\u1ea1i m\u1ea1ng kh\u00e1c"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN-la-gi\" >M\u1ea1ng LAN l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Nhung-dac-diem-cua-mang-LAN\" >Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng LAN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Pham-vi-hoat-dong-gioi-han\" >Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng gi\u1edbi h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Toc-do-truyen-tai-cao\" >T\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Chia-se-tai-nguyen-de-dang\" >Chia s\u1ebb t\u00e0i nguy\u00ean d\u1ec5 d\u00e0ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Kha-nang-quan-ly-bao-mat-tot\" >Kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd b\u1ea3o m\u1eadt t\u1ed1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Chi-phi-thiet-lap-thap\" >Chi ph\u00ed thi\u1ebft l\u1eadp th\u1ea5p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Hoat-dong-doc-lap\" >Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Su-dung-rong-rai\" >S\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Toi-uu-hoa-Wi-Fi\" >T\u1ed1i \u01b0u h\u00f3a Wi-Fi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Cac-thanh-phan-cua-mang-LAN\" >C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ea1ng LAN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Thiet-bi-chuyen-mach-Switch\" >Thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch (Switch)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Bo-dinh-tuyen-Router\" >B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (Router)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Day-cap-mang-Ethernet-Cable\" >D\u00e2y c\u00e1p m\u1ea1ng (Ethernet Cable)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Card-mang-Network-Interface-Card-%E2%80%93-NIC\" >Card m\u1ea1ng (Network Interface Card &#8211; NIC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Access-Point-Diem-truy-cap-khong-day\" >Access Point (\u0110i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN-ket-noi-qua-thiet-bi-nao\" >M\u1ea1ng LAN k\u1ebft n\u1ed1i qua thi\u1ebft b\u1ecb n\u00e0o?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#1-NIC-Network-Interface-Card-%E2%80%93-Card-Giao-tiep-Mang\" >1. NIC (Network Interface Card &#8211; Card Giao ti\u1ebfp M\u1ea1ng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#2-Repeater\" >2. Repeater<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#3-Hub\" >3. Hub<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#4-Bridge\" >4. Bridge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#5-Switch\" >5. Switch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#6-Router\" >6. Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#7-Gateway\" >7. Gateway<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#So-sanh-giua-mang-LAN-va-mang-WAN-MAN\" >So s\u00e1nh gi\u1eefa m\u1ea1ng LAN v\u00e0 m\u1ea1ng WAN, MAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#So-sanh-mang-LAN-va-Internet\" >So s\u00e1nh m\u1ea1ng LAN v\u00e0 Internet<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN\" >M\u1ea1ng LAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-Internet\" >M\u1ea1ng Internet<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#So-sanh-mang-LAN-va-mang-Wifi-%E2%80%93-Nen-chon-mang-nao\" >So s\u00e1nh m\u1ea1ng LAN v\u00e0 m\u1ea1ng Wifi &#8211; N\u00ean ch\u1ecdn m\u1ea1ng n\u00e0o?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#So-sanh-Mang-LAN-va-Mang-WiFi\" >So s\u00e1nh M\u1ea1ng LAN v\u00e0 M\u1ea1ng WiFi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Nen-chon-Mang-LAN-hay-Mang-Wifi\" >N\u00ean ch\u1ecdn M\u1ea1ng LAN hay M\u1ea1ng Wifi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Lua-chon-toi-uu-Ket-hop-ca-hai\" >L\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u: K\u1ebft h\u1ee3p c\u1ea3 hai<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Cac-loai-ket-noi-trong-mang-LAN\" >C\u00e1c lo\u1ea1i k\u1ebft n\u1ed1i trong m\u1ea1ng LAN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN-co-day-Wired-LAN\" >M\u1ea1ng LAN c\u00f3 d\u00e2y (Wired LAN)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN-khong-day-Wireless-LAN-%E2%80%93-WLAN-hay-Wi-Fi\" >M\u1ea1ng LAN kh\u00f4ng d\u00e2y (Wireless LAN &#8211; WLAN hay Wi-Fi)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Nhung-ung-dung-cua-mang-LAN\" >Nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ee7a m\u1ea1ng LAN<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Trong-gia-dinh\" >Trong gia \u0111\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Trong-van-phong-doanh-nghiep\" >Trong v\u0103n ph\u00f2ng, doanh nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Trong-truong-hoc-quan-game\" >Trong tr\u01b0\u1eddng h\u1ecdc, qu\u00e1n game<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Cau-hoi-thuong-gap-ve-mang-LAN-FAQ\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 m\u1ea1ng LAN (FAQ)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Mang-LAN-co-phai-la-Internet-khong\" >M\u1ea1ng LAN c\u00f3 ph\u1ea3i l\u00e0 Internet kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Lam-the-nao-de-mo-rong-mang-LAN-tai-nha\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng LAN t\u1ea1i nh\u00e0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Tai-sao-mang-LAN-bi-cham-va-cach-khac-phuc\" >T\u1ea1i sao m\u1ea1ng LAN b\u1ecb ch\u1eadm v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/interdata.vn\/blog\/mang-lan\/#Cong-LAN-tren-TV-dung-de-lam-gi\" >C\u1ed5ng LAN tr\u00ean TV d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Trong ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y t\u1ea1i gia \u0111\u00ecnh hay v\u0103n ph\u00f2ng, vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec3 chia s\u1ebb d\u1eef li\u1ec7u v\u00e0 truy c\u1eadp Internet l\u00e0 m\u1ed9t nhu c\u1ea7u thi\u1ebft y\u1ebfu. M\u1ea1ng LAN ch\u00ednh l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng cho ph\u00e9p \u0111i\u1ec1u n\u00e0y di\u1ec5n ra m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 nhanh ch\u00f3ng. B\u00e0i vi\u1ebft t\u1eeb InterData s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 m\u1ea1ng LAN, t\u1eeb kh\u00e1i ni\u1ec7m <strong><a href=\"https:\/\/interdata.vn\/blog\/mang-lan\/\">m\u1ea1ng LAN l\u00e0 g\u00ec<\/a><\/strong>, c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng lan, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi nh\u1eefng lo\u1ea1i m\u1ea1ng kh\u00e1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mang-LAN-la-gi\"><\/span>M\u1ea1ng LAN l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea1ng LAN, vi\u1ebft t\u1eaft c\u1ee7a Local Area Network (M\u1ea1ng C\u1ee5c B\u1ed9), l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng m\u00e1y t\u00ednh k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong m\u1ed9t ph\u1ea1m vi \u0111\u1ecba l\u00fd gi\u1edbi h\u1ea1n v\u00e0 c\u1ee5 th\u1ec3. Ph\u1ea1m vi n\u00e0y th\u01b0\u1eddng l\u00e0 m\u1ed9t ng\u00f4i nh\u00e0, m\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng, m\u1ed9t khu\u00f4n vi\u00ean tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c m\u1ed9t nh\u00f3m c\u00e1c t\u00f2a nh\u00e0 g\u1ea7n nhau.<\/p>\n<p>M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a m\u1ea1ng LAN l\u00e0 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb th\u00e0nh vi\u00ean nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/may-chu-server-la-gi\/\">m\u00e1y ch\u1ee7<\/a> c\u00f3 th\u1ec3 giao ti\u1ebfp v\u00e0 chia s\u1ebb t\u00e0i nguy\u00ean v\u1edbi nhau. B\u1ea1n c\u00f3 th\u1ec3 g\u1eedi m\u1ed9t t\u00e0i li\u1ec7u t\u1eeb m\u00e1y t\u00ednh x\u00e1ch tay \u0111\u1ebfn m\u00e1y in \u1edf g\u00f3c ph\u00f2ng, \u0111\u00f3 ch\u00ednh l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n tr\u00ean m\u1ea1ng LAN.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29643\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN.jpg\" alt=\"M\u1ea1ng LAN\" width=\"600\" height=\"400\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-dac-diem-cua-mang-LAN\"><\/span>Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ef1 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u1ee7a m\u1ea1ng LAN \u0111\u1ebfn t\u1eeb nh\u1eefng \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt \u01b0u vi\u1ec7t, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch thi\u1ebft th\u1ef1c cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y gi\u00fap m\u1ea1ng LAN tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p k\u1ebft n\u1ed1i hi\u1ec7u qu\u1ea3 cho h\u1ea7u h\u1ebft c\u00e1c nhu c\u1ea7u t\u1eeb c\u00e1 nh\u00e2n \u0111\u1ebfn doanh nghi\u1ec7p.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng LAN n\u00ean bi\u1ebft:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Pham-vi-hoat-dong-gioi-han\"><\/span>Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng gi\u1edbi h\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00fang nh\u01b0 t\u00ean g\u1ecdi &#8220;m\u1ea1ng c\u1ee5c b\u1ed9&#8221;, \u0111\u1eb7c \u0111i\u1ec3m x\u00e1c \u0111\u1ecbnh c\u1ee7a m\u1ea1ng LAN l\u00e0 ph\u1ea1m vi \u0111\u1ecba l\u00fd nh\u1ecf. Vi\u1ec7c gi\u1edbi h\u1ea1n kh\u00f4ng gian v\u1eadt l\u00fd n\u00e0y gi\u00fap vi\u1ec7c tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi c\u00e1c m\u1ea1ng c\u00f3 quy m\u00f4 l\u1edbn h\u01a1n nh\u01b0 m\u1ea1ng \u0111\u00f4 th\u1ecb hay m\u1ea1ng di\u1ec7n r\u1ed9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toc-do-truyen-tai-cao\"><\/span>T\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng LAN cung c\u1ea5p t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u r\u1ea5t cao, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 100 Megabits m\u1ed7i gi\u00e2y (Mbps) \u0111\u1ebfn 1 Gigabit m\u1ed7i gi\u00e2y (Gbps) ho\u1eb7c th\u1eadm ch\u00ed cao h\u01a1n v\u1edbi c\u00f4ng ngh\u1ec7 Ethernet hi\u1ec7n \u0111\u1ea1i. T\u1ed1c \u0111\u1ed9 n\u00e0y v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi h\u1ea7u h\u1ebft c\u00e1c k\u1ebft n\u1ed1i Internet th\u00f4ng th\u01b0\u1eddng, gi\u00fap vi\u1ec7c sao ch\u00e9p t\u1eadp tin l\u1edbn hay truy\u1ec1n d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 di\u1ec5n ra g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chia-se-tai-nguyen-de-dang\"><\/span>Chia s\u1ebb t\u00e0i nguy\u00ean d\u1ec5 d\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng gi\u00e1 tr\u1ecb nh\u1ea5t c\u1ee7a m\u1ea1ng LAN. C\u00e1c thi\u1ebft b\u1ecb trong c\u00f9ng m\u1ed9t m\u1ea1ng c\u00f3 th\u1ec3 d\u00f9ng chung t\u00e0i nguy\u00ean m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n. V\u00ed d\u1ee5, c\u1ea3 v\u0103n ph\u00f2ng ch\u1ec9 c\u1ea7n m\u1ed9t m\u00e1y in hi\u1ec7u su\u1ea5t cao k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng LAN, v\u00e0 t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean \u0111\u1ec1u c\u00f3 th\u1ec3 in t\u00e0i li\u1ec7u t\u1eeb m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh.<\/p>\n<p>T\u01b0\u01a1ng t\u1ef1, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t \u1ed5 c\u1ee9ng m\u1ea1ng (NAS) \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u chung, cho ph\u00e9p m\u1ecdi ng\u01b0\u1eddi truy c\u1eadp v\u00e0 l\u00e0m vi\u1ec7c tr\u00ean c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ec7p. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed mua s\u1eafm thi\u1ebft b\u1ecb v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-quan-ly-bao-mat-tot\"><\/span>Kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd b\u1ea3o m\u1eadt t\u1ed1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u00ec m\u1ea1ng LAN ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t khu v\u1ef1c kh\u00e9p k\u00edn, vi\u1ec7c ki\u1ec3m so\u00e1t an ninh d\u1ec5 d\u00e0ng h\u01a1n. D\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i trong m\u1ea1ng n\u1ed9i b\u1ed9 kh\u00f4ng \u0111i ra ngo\u00e0i Internet c\u00f4ng c\u1ed9ng, gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng t\u1eeb b\u00ean ngo\u00e0i. Ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u00f3 to\u00e0n quy\u1ec1n thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt, <a href=\"https:\/\/interdata.vn\/blog\/tuong-lua-firewall\/\">t\u01b0\u1eddng l\u1eeda<\/a> v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp cho t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chi-phi-thiet-lap-thap\"><\/span>Chi ph\u00ed thi\u1ebft l\u1eadp th\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>So v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn h\u01a1n, chi ph\u00ed \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t m\u1ea1ng LAN c\u01a1 b\u1ea3n t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. C\u00e1c thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft nh\u01b0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (router), b\u1ed9 chuy\u1ec3n m\u1ea1ch (switch) v\u00e0 c\u00e1p m\u1ea1ng \u0111\u1ec1u c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 s\u1eb5n c\u00f3 tr\u00ean th\u1ecb tr\u01b0\u1eddng, ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch c\u1ee7a gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p nh\u1ecf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hoat-dong-doc-lap\"><\/span>Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n l\u00e0m r\u00f5 l\u00e0 m\u1ea1ng LAN c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i Internet. C\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng v\u1eabn c\u00f3 th\u1ec3 chia s\u1ebb t\u1ec7p tin v\u00e0 giao ti\u1ebfp v\u1edbi nhau. Internet ch\u1ec9 l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00f4ng qua m\u1ea1ng LAN, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 m\u1ea1ng LAN t\u1ed3n t\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Su-dung-rong-rai\"><\/span>S\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y m\u1ea1ng LAN \u1edf kh\u1eafp m\u1ecdi n\u01a1i. T\u1ea1i nh\u00e0, m\u1ea1ng LAN k\u1ebft n\u1ed1i m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, TV th\u00f4ng minh. T\u1ea1i v\u0103n ph\u00f2ng, m\u1ea1ng LAN l\u00e0 x\u01b0\u01a1ng s\u1ed1ng cho m\u1ecdi ho\u1ea1t \u0111\u1ed9ng. T\u1ea1i c\u00e1c qu\u00e1n game, m\u1ea1ng LAN \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ch\u01a1i game m\u01b0\u1ee3t m\u00e0 v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p cho t\u1ea5t c\u1ea3 ng\u01b0\u1eddi ch\u01a1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toi-uu-hoa-Wi-Fi\"><\/span>T\u1ed1i \u01b0u h\u00f3a Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong m\u1ed9t gia \u0111\u00ecnh hay v\u0103n ph\u00f2ng hi\u1ec7n \u0111\u1ea1i c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb, vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh nh\u01b0 PC, Smart TV, ho\u1eb7c m\u00e1y ch\u01a1i game b\u1eb1ng c\u00e1p m\u1ea1ng LAN s\u1ebd gi\u1ea3i ph\u00f3ng <a href=\"https:\/\/interdata.vn\/blog\/bang-thong-la-gi\/\">b\u0103ng th\u00f4ng<\/a> cho m\u1ea1ng Wi-Fi. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh b\u1ea3ng c\u00f3 k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y \u1ed5n \u0111\u1ecbnh v\u00e0 nhanh h\u01a1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-thanh-phan-cua-mang-LAN\"><\/span>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng LAN ho\u00e0n ch\u1ec9nh, b\u1ea1n c\u1ea7n s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a nhi\u1ec1u th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 ri\u00eang bi\u1ec7t, c\u00f9ng nhau t\u1ea1o n\u00ean m\u1ed9t m\u1ea1ng l\u01b0\u1edbi k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29642\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-02.jpg\" alt=\"M\u1ea1ng LAN\" width=\"600\" height=\"436\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-02.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-02-300x218.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-02-120x86.jpg 120w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-bi-chuyen-mach-Switch\"><\/span>Thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch (Switch)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Switch \u0111\u01b0\u1ee3c xem l\u00e0 trung t\u00e2m c\u1ee7a m\u1ea1ng LAN c\u00f3 d\u00e2y. Ch\u1ee9c n\u0103ng c\u1ee7a switch l\u00e0 nh\u1eadn c\u00e1c g\u00f3i d\u1eef li\u1ec7u t\u1eeb m\u1ed9t thi\u1ebft b\u1ecb v\u00e0 chuy\u1ec3n ch\u00fang \u0111\u1ebfn \u0111\u00fang thi\u1ebft b\u1ecb \u0111\u00edch trong m\u1ea1ng. Switch ho\u1ea1t \u0111\u1ed9ng th\u00f4ng minh b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3, tr\u00e1nh l\u00e0m t\u1eafc ngh\u1ebdn to\u00e0n b\u1ed9 m\u1ea1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bo-dinh-tuyen-Router\"><\/span>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (Router)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Router l\u00e0 c\u1ed5ng n\u1ed1i gi\u1eefa m\u1ea1ng LAN c\u1ee7a b\u1ea1n v\u00e0 th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i (Internet). Router th\u1ef1c hi\u1ec7n hai nhi\u1ec7m v\u1ee5 ch\u00ednh: m\u1ed9t l\u00e0 \u0111\u1ecbnh tuy\u1ebfn, t\u1ee9c l\u00e0 ch\u1ec9 \u0111\u01b0\u1eddng cho c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111i ra v\u00e0 \u0111i v\u00e0o m\u1ea1ng LAN; hai l\u00e0 c\u1ea5p ph\u00e1t <a href=\"https:\/\/interdata.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a> \u0111\u1ed9ng cho c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng th\u00f4ng qua giao th\u1ee9c <a href=\"https:\/\/interdata.vn\/blog\/dhcp-la-gi\/\">DHCP<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Day-cap-mang-Ethernet-Cable\"><\/span>D\u00e2y c\u00e1p m\u1ea1ng (Ethernet Cable)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1p m\u1ea1ng l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n v\u1eadt l\u00fd \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u trong m\u1ea1ng LAN c\u00f3 d\u00e2y. C\u00e1c lo\u1ea1i c\u00e1p ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0 Cat5e v\u00e0 Cat6, c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 Gigabit, \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 nhanh ch\u00f3ng. L\u1ef1a ch\u1ecdn c\u00e1p ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Card-mang-Network-Interface-Card-%E2%80%93-NIC\"><\/span>Card m\u1ea1ng (Network Interface Card &#8211; NIC)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Card m\u1ea1ng, hay card giao ti\u1ebfp m\u1ea1ng, l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn ph\u1ea7n c\u1ee9ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n tr\u00ean bo m\u1ea1ch ch\u1ee7 c\u1ee7a m\u00e1y t\u00ednh ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. Ch\u1ee9c n\u0103ng c\u1ee7a card m\u1ea1ng l\u00e0 cung c\u1ea5p m\u1ed9t c\u1ed5ng v\u1eadt l\u00fd (c\u1ed5ng Ethernet) \u0111\u1ec3 c\u1eafm c\u00e1p m\u1ea1ng, cho ph\u00e9p thi\u1ebft b\u1ecb tham gia v\u00e0o h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Access-Point-Diem-truy-cap-khong-day\"><\/span>Access Point (\u0110i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Access Point (AP) l\u00e0 thi\u1ebft b\u1ecb t\u1ea1o ra m\u1ed9t m\u1ea1ng LAN kh\u00f4ng d\u00e2y, hay c\u00f2n g\u1ecdi l\u00e0 WLAN (th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean Wi-Fi). AP k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y th\u00f4ng qua c\u00e1p Ethernet v\u00e0 ph\u00e1t s\u00f3ng t\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, laptop k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u1eafm.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mang-LAN-ket-noi-qua-thiet-bi-nao\"><\/span>M\u1ea1ng LAN k\u1ebft n\u1ed1i qua thi\u1ebft b\u1ecb n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea1ng LAN (Local Area Network) k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau, m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 vai tr\u00f2 v\u00e0 ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t, th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c l\u1edbp kh\u00e1c nhau trong m\u00f4 h\u00ecnh OSI.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng LAN:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-NIC-Network-Interface-Card-%E2%80%93-Card-Giao-tiep-Mang\"><\/span>1. NIC (Network Interface Card &#8211; Card Giao ti\u1ebfp M\u1ea1ng)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>NIC<\/strong> l\u00e0 m\u1ed9t b\u1ea3n m\u1ea1ch cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng m\u1ea1ng cho m\u1ed9t m\u00e1y t\u00ednh.<\/p>\n<ul>\n<li>N\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 th\u00edch nghi LAN (LAN adapter).<\/li>\n<li>NIC \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o m\u1ed9t khe (slot) tr\u00ean b\u1ea3n m\u1ea1ch ch\u00ednh v\u00e0 cung c\u1ea5p giao di\u1ec7n k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng m\u1ea1ng.<\/li>\n<li>Ch\u1ee7ng lo\u1ea1i card m\u1ea1ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn v\u00e0 giao th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9.<\/li>\n<li><strong>Ch\u1ee9c n\u0103ng:<\/strong> Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u m\u00e1y t\u00ednh th\u00e0nh t\u00edn hi\u1ec7u tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed3ng th\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m g\u1eedi\/nh\u1eadn v\u00e0 ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2-Repeater\"><\/span>2. Repeater<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Repeater<\/strong> l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i v\u00e0 \u0111\u1ecbnh th\u1eddi l\u1ea1i t\u00edn hi\u1ec7u, gi\u00fap t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n d\u1eabn \u0111i xa h\u01a1n gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1p m\u1ea1ng (th\u01b0\u1eddng l\u00e0 100m \u0111\u1ed1i v\u1edbi c\u00e1p CAT 5 UTP ph\u1ed5 bi\u1ebfn).<\/p>\n<ul>\n<li>Repeater ho\u1ea1t \u0111\u1ed9ng \u1edf <strong>l\u1edbp 1 (Physical Layer)<\/strong> trong m\u00f4 h\u00ecnh OSI.<\/li>\n<li>Vai tr\u00f2 c\u1ee7a n\u00f3 l\u00e0 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u v\u1eadt l\u00fd \u1edf \u0111\u1ea7u v\u00e0o v\u00e0 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho t\u00edn hi\u1ec7u \u1edf \u0111\u1ea7u ra \u0111\u1ec3 ch\u00fang c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c \u0111\u1ebfn \u0111\u01b0\u1ee3c nh\u1eefng ch\u1eb7ng \u0111\u01b0\u1eddng ti\u1ebfp theo trong m\u1ea1ng.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3-Hub\"><\/span>3. Hub<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Hub<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t Repeater c\u00f3 nhi\u1ec1u c\u1ed5ng (<a href=\"https:\/\/interdata.vn\/blog\/port-la-gi\/\">port<\/a>), th\u01b0\u1eddng c\u00f3 t\u1eeb 4 \u0111\u1ebfn 24 c\u1ed5ng ho\u1eb7c nhi\u1ec1u h\u01a1n.<\/p>\n<ul>\n<li>Hub th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng 10BASE-T hay 100BASE-T.<\/li>\n<li>Trong c\u1ea5u h\u00ecnh m\u1ea1ng h\u00ecnh sao (Star topology), Hub \u0111\u00f3ng vai tr\u00f2 l\u00e0 <strong>trung t\u00e2m c\u1ee7a m\u1ea1ng<\/strong>.<\/li>\n<li><strong>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng:<\/strong> Khi th\u00f4ng tin v\u00e0o t\u1eeb m\u1ed9t c\u1ed5ng, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c.<\/li>\n<li><strong>Ph\u00e2n lo\u1ea1i:<\/strong>\n<ul>\n<li><strong>Active Hub:<\/strong> Lo\u1ea1i ph\u1ed5 bi\u1ebfn, c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n khi ho\u1ea1t \u0111\u1ed9ng, d\u00f9ng \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ebfn v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ee9c t\u00edn hi\u1ec7u c\u1ea7n thi\u1ebft cho c\u00e1c c\u1ed5ng c\u00f2n l\u1ea1i.<\/li>\n<li><strong>Smart Hub (Intelligent Hub):<\/strong> C\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 Active Hub nh\u01b0ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam chip c\u00f3 kh\u1ea3 n\u0103ng <strong>t\u1ef1 \u0111\u1ed9ng d\u00f2 l\u1ed7i<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4-Bridge\"><\/span>4. Bridge<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Bridge<\/strong> l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng thu\u1ed9c <strong>l\u1edbp 2 (Data Link Layer)<\/strong> c\u1ee7a m\u00f4 h\u00ecnh OSI.<\/p>\n<ul>\n<li>Bridge \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <strong>gh\u00e9p n\u1ed1i hai m\u1ea1ng<\/strong> \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u1edbn duy nh\u1ea5t.<\/li>\n<li>N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u1ea7u n\u1ed1i gi\u1eefa hai m\u1ea1ng Ethernet.<\/li>\n<li><strong>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng:<\/strong> Bridge quan s\u00e1t c\u00e1c g\u00f3i tin (packet) tr\u00ean m\u1ecdi m\u1ea1ng, v\u00e0 khi ph\u00e1t hi\u1ec7n g\u00f3i tin c\u1ea7n chuy\u1ec3n t\u1eeb m\u1ea1ng n\u00e0y sang m\u1ea1ng kh\u00e1c, n\u00f3 s\u1ebd sao ch\u00e9p v\u00e0 g\u1eedi g\u00f3i tin \u0111\u00f3 t\u1edbi m\u1ea1ng \u0111\u00edch.<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> Ho\u1ea1t \u0111\u1ed9ng trong su\u1ed1t, cho ph\u00e9p c\u00e1c m\u00e1y t\u00ednh \u1edf c\u00e1c m\u1ea1ng kh\u00e1c nhau g\u1eedi th\u00f4ng tin cho nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft c\u00f3 s\u1ef1 can thi\u1ec7p c\u1ee7a Bridge. Bridge c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u l\u01b0u th\u00f4ng m\u1ea1ng (nh\u01b0 Novell, Banyan) c\u00f9ng v\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ch\u1ec9 k\u1ebft n\u1ed1i nh\u1eefng m\u1ea1ng c\u00f9ng lo\u1ea1i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"5-Switch\"><\/span>5. Switch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Switch<\/strong> \u0111\u00f4i khi \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 l\u00e0 m\u1ed9t Bridge c\u00f3 nhi\u1ec1u c\u1ed5ng, c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i nhi\u1ec1u \u0111o\u1ea1n (segment) m\u1ea1ng l\u1ea1i v\u1edbi nhau.<\/p>\n<ul>\n<li>Gi\u1ed1ng nh\u01b0 Bridge, Switch c\u0169ng &#8220;h\u1ecdc&#8221; th\u00f4ng tin c\u1ee7a m\u1ea1ng th\u00f4ng qua c\u00e1c g\u00f3i tin (packet) m\u00e0 n\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ec3 x\u00e2y d\u1ef1ng <strong>b\u1ea3ng Switch<\/strong>, gi\u00fap c\u00e1c g\u00f3i th\u00f4ng tin \u0111\u1ebfn \u0111\u00fang \u0111\u1ecba ch\u1ec9.<\/li>\n<li>Switch ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao h\u01a1n nhi\u1ec1u so v\u1edbi Repeater.<\/li>\n<li><strong>Ch\u1ee9c n\u0103ng ch\u00ednh:<\/strong> Chuy\u1ec3n c\u00e1c khung d\u1eef li\u1ec7u t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c b\u1ea3ng Switch. Switch c\u00f2n c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam ch\u1ee9c n\u0103ng nh\u01b0 kh\u1ea3 n\u0103ng t\u1ea1o <strong>m\u1ea1ng LAN \u1ea3o (VLAN)<\/strong>.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"6-Router\"><\/span>6. Router<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Router<\/strong> l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng thu\u1ed9c <strong>l\u1edbp 3 (Network Layer)<\/strong> c\u1ee7a m\u00f4 h\u00ecnh OSI.<\/p>\n<ul>\n<li>Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a Router l\u00e0 <strong>k\u1ebft n\u1ed1i hai hay nhi\u1ec1u m\u1ea1ng IP v\u1edbi nhau<\/strong>.<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> V\u1ec1 m\u1eb7t v\u1eadt l\u00fd, Router c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i c\u00e1c lo\u1ea1i m\u1ea1ng kh\u00e1c nhau l\u1ea1i v\u1edbi nhau, t\u1eeb Ethernet c\u1ee5c b\u1ed9 t\u1ed1c \u0111\u1ed9 cao \u0111\u1ebfn \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1eddng d\u00e0i t\u1ed1c \u0111\u1ed9 ch\u1eadm.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Router ch\u1eadm h\u01a1n Bridge v\u00ec ch\u00fang \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00ednh to\u00e1n h\u01a1n \u0111\u1ec3 t\u00ecm ra c\u00e1ch d\u1eabn \u0111\u01b0\u1eddng cho c\u00e1c g\u00f3i tin. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t x\u1ea3y ra khi c\u00e1c m\u1ea1ng k\u1ebft n\u1ed1i kh\u00f4ng c\u00f9ng t\u1ed1c \u0111\u1ed9, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng g\u00e2y ngh\u1ebdn m\u1ea1ng.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"7-Gateway\"><\/span>7. Gateway<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Gateway<\/strong> (C\u1ed5ng k\u1ebft n\u1ed1i) cho ph\u00e9p <strong>n\u1ed1i gh\u00e9p hai lo\u1ea1i giao th\u1ee9c kh\u00e1c nhau<\/strong>.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5, n\u1ebfu m\u1ea1ng c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng giao th\u1ee9c IP v\u00e0 m\u1ea1ng kh\u00e1c s\u1eed d\u1ee5ng IPX, Novell, DECnet, ho\u1eb7c SNA, Gateway s\u1ebd chuy\u1ec3n \u0111\u1ed5i t\u1eeb lo\u1ea1i giao th\u1ee9c n\u00e0y sang lo\u1ea1i kh\u00e1c.<\/li>\n<li>Qua Gateway, c\u00e1c m\u00e1y t\u00ednh trong c\u00e1c m\u1ea1ng s\u1eed d\u1ee5ng giao th\u1ee9c kh\u00e1c nhau c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng giao ti\u1ebfp \u0111\u01b0\u1ee3c v\u1edbi nhau.<\/li>\n<li>Gateway kh\u00f4ng ch\u1ec9 ph\u00e2n bi\u1ec7t c\u00e1c giao th\u1ee9c m\u00e0 c\u00f2n c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u1ee9ng d\u1ee5ng, v\u00ed d\u1ee5 nh\u01b0 chuy\u1ec3n th\u01b0 \u0111i\u1ec7n t\u1eed ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i m\u1ed9t phi\u00ean l\u00e0m vi\u1ec7c t\u1eeb xa.<\/li>\n<\/ul>\n<p>N\u1ebfu coi m\u1ed9t m\u1ea1ng LAN nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng giao th\u00f4ng c\u1ee5c b\u1ed9, c\u00e1c <strong>NIC<\/strong> l\u00e0 c\u00e1nh c\u1eeda \u0111\u1ec3 m\u00e1y t\u00ednh tham gia v\u00e0o h\u1ec7 th\u1ed1ng. <strong>Hub<\/strong> gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u00e3 t\u01b0 th\u00f4ng th\u01b0\u1eddng (g\u1eedi th\u00f4ng tin cho m\u1ecdi h\u01b0\u1edbng), trong khi <strong>Switch<\/strong> gi\u1ed1ng nh\u01b0 m\u1ed9t b\u00f9ng binh th\u00f4ng minh (ch\u1ec9 \u0111\u1ea1o xe \u0111i \u0111\u00fang h\u01b0\u1edbng \u0111\u00e3 \u0111\u1ecbnh). C\u00f2n <strong>Router<\/strong> v\u00e0 <strong>Gateway<\/strong> l\u00e0 nh\u1eefng tr\u1ea1m ki\u1ec3m so\u00e1t bi\u00ean gi\u1edbi, cho ph\u00e9p c\u00e1c h\u1ec7 th\u1ed1ng giao th\u00f4ng ho\u00e0n to\u00e0n kh\u00e1c nhau c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 trao \u0111\u1ed5i h\u00e0ng h\u00f3a v\u1edbi nhau.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-giua-mang-LAN-va-mang-WAN-MAN\"><\/span>So s\u00e1nh gi\u1eefa m\u1ea1ng LAN v\u00e0 m\u1ea1ng WAN, MAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 m\u1ea1ng LAN, vi\u1ec7c so s\u00e1nh m\u1ea1ng n\u00e0y v\u1edbi c\u00e1c lo\u1ea1i m\u1ea1ng kh\u00e1c nh\u01b0 MAN v\u00e0 WAN l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i nh\u1ea5t.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid darkgray;\">\n<thead>\n<tr style=\"background-color: blue; color: white;\">\n<th style=\"border: 1px solid darkgray; padding: 8px;\"><span style=\"color: #ffffff;\">Ti\u00eau ch\u00ed<\/span><\/th>\n<th style=\"border: 1px solid darkgray; padding: 8px;\"><span style=\"color: #ffffff;\">M\u1ea1ng LAN (Local Area Network)<\/span><\/th>\n<th style=\"border: 1px solid darkgray; padding: 8px;\"><span style=\"color: #ffffff;\">M\u1ea1ng MAN (Metropolitan Area Network)<\/span><\/th>\n<th style=\"border: 1px solid darkgray; padding: 8px;\"><span style=\"color: #ffffff;\">M\u1ea1ng WAN (Wide Area Network)<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody style=\"background-color: white; color: black;\">\n<tr>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">T\u00ean \u0111\u1ea7y \u0111\u1ee7<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">M\u1ea1ng C\u1ee5c B\u1ed9<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">M\u1ea1ng \u0110\u00f4 Th\u1ecb<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">M\u1ea1ng Di\u1ec7n R\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Ph\u1ea1m vi<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Gi\u1edbi h\u1ea1n trong v\u00e0i km (t\u00f2a nh\u00e0, khu\u00f4n vi\u00ean)<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">V\u00e0i ch\u1ee5c km (m\u1ed9t th\u00e0nh ph\u1ed1)<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Kh\u00f4ng gi\u1edbi h\u1ea1n (qu\u1ed1c gia, to\u00e0n c\u1ea7u)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">T\u1ed1c \u0111\u1ed9<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">R\u1ea5t cao (100 Mbps &#8211; 10 Gbps)<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Trung b\u00ecnh \u0111\u1ebfn cao<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Th\u1ea5p h\u01a1n LAN (ph\u1ee5 thu\u1ed9c h\u1ea1 t\u1ea7ng)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Qu\u1ea3n l\u00fd<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">T\u01b0 nh\u00e2n (do c\u00e1 nh\u00e2n, t\u1ed5 ch\u1ee9c s\u1edf h\u1eefu)<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">C\u00f3 th\u1ec3 l\u00e0 t\u01b0 nh\u00e2n ho\u1eb7c c\u00f4ng c\u1ed9ng<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Th\u01b0\u1eddng do nhi\u1ec1u nh\u00e0 cung c\u1ea5p qu\u1ea3n l\u00fd<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Chi ph\u00ed<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Th\u1ea5p<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">Cao<\/td>\n<td style=\"border: 1px solid darkgray; padding: 8px;\">R\u1ea5t cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Internet ch\u00ednh l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh v\u00e0 l\u1edbn nh\u1ea5t c\u1ee7a m\u1ea1ng WAN, k\u1ebft n\u1ed1i h\u00e0ng t\u1ef7 thi\u1ebft b\u1ecb tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-mang-LAN-va-Internet\"><\/span>So s\u00e1nh m\u1ea1ng LAN v\u00e0 Internet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea1ng LAN (Local Area Network) v\u00e0 Internet c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u0103n b\u1ea3n v\u1ec1 ph\u1ea1m vi, c\u1ea5u tr\u00fac, c\u00f4ng ngh\u1ec7, qu\u1ea3n l\u00fd v\u00e0 hi\u1ec7u su\u1ea5t k\u1ebft n\u1ed1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mang-LAN\"><\/span>M\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>M\u1ea1ng LAN<\/strong> l\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong ph\u1ea1m vi h\u1ea1n ch\u1ebf nh\u01b0 m\u1ed9t v\u0103n ph\u00f2ng, t\u00f2a nh\u00e0 hay khu d\u00e2n c\u01b0. N\u00f3 th\u01b0\u1eddng s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i c\u00f3 d\u00e2y (Ethernet) ho\u1eb7c kh\u00f4ng d\u00e2y (Wi-Fi) \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi b\u0103ng th\u00f4ng cao v\u00e0 t\u1ed1c \u0111\u1ed9 nhanh, \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi t\u1ed5 ch\u1ee9c hay c\u00e1 nh\u00e2n s\u1edf h\u1eefu m\u1ea1ng \u0111\u00f3.<\/p>\n<p>M\u1ea1ng LAN c\u00f3 chi ph\u00ed thi\u1ebft l\u1eadp th\u1ea5p h\u01a1n v\u00e0 ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng nh\u1ecf, t\u1eadp trung v\u00e0o k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb trong khu v\u1ef1c c\u1ee5 th\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mang-Internet\"><\/span>M\u1ea1ng Internet<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, Internet l\u00e0 m\u1ea1ng to\u00e0n c\u1ea7u li\u00ean k\u1ebft h\u00e0ng tri\u1ec7u m\u1ea1ng LAN v\u00e0 thi\u1ebft b\u1ecb tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi th\u00f4ng qua nhi\u1ec1u c\u00f4ng ngh\u1ec7 nh\u01b0 c\u00e1p quang, \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i hay k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y.<\/p>\n<p>Internet c\u00f3 ph\u1ea1m vi r\u1ed9ng l\u1edbn, kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 \u0111\u1ecba l\u00fd, nh\u01b0ng b\u0103ng th\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u th\u01b0\u1eddng th\u1ea5p h\u01a1n so v\u1edbi m\u1ea1ng LAN do ph\u1ea3i chia s\u1ebb t\u00e0i nguy\u00ean gi\u1eefa nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng to\u00e0n c\u1ea7u. Internet kh\u00f4ng c\u00f3 m\u1ed9t t\u1ed5 ch\u1ee9c hay c\u00e1 nh\u00e2n \u0111\u01a1n l\u1ebb n\u00e0o qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u00e0 l\u00e0 s\u1ef1 li\u00ean k\u1ebft ph\u00e2n t\u00e1n c\u1ee7a r\u1ea5t nhi\u1ec1u m\u1ea1ng kh\u00e1c nhau.<\/p>\n<p>T\u00f3m l\u1ea1i, m\u1ea1ng LAN l\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 v\u1edbi ph\u1ea1m vi nh\u1ecf, t\u1ed1c \u0111\u1ed9 cao, qu\u1ea3n l\u00fd t\u1eadp trung v\u00e0 chi ph\u00ed th\u1ea5p, c\u00f2n Internet l\u00e0 m\u1ea1ng to\u00e0n c\u1ea7u v\u1edbi ph\u1ea1m vi r\u1ed9ng, t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n v\u00e0 qu\u1ea3n l\u00fd ph\u00e2n t\u00e1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-mang-LAN-va-mang-Wifi-%E2%80%93-Nen-chon-mang-nao\"><\/span>So s\u00e1nh m\u1ea1ng LAN v\u00e0 m\u1ea1ng Wifi &#8211; N\u00ean ch\u1ecdn m\u1ea1ng n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u1ea7n so s\u00e1nh chi ti\u1ebft v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00ean l\u1ef1a ch\u1ecdn t\u1eebng lo\u1ea1i m\u1ea1ng:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"So-sanh-Mang-LAN-va-Mang-WiFi\"><\/span>So s\u00e1nh M\u1ea1ng LAN v\u00e0 M\u1ea1ng WiFi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng LAN (Local Area Network) v\u00e0 M\u1ea1ng WiFi (Wireless Fidelity) \u0111\u1ec1u l\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i internet, trung chuy\u1ec3n d\u1eef li\u1ec7u t\u1eeb thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (router\/modem). Tuy nhi\u00ean, ch\u00fang c\u00f3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t.<\/p>\n<h4>1. Kh\u00e1i ni\u1ec7m v\u00e0 C\u00e1ch th\u1ee9c Ho\u1ea1t \u0111\u1ed9ng<\/h4>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; max-width: 100%; box-shadow: 0 1px 3px rgba(12,64,244,0.08);\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">M\u1ea1ng LAN (Local Area Network)<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">M\u1ea1ng WiFi (Wireless Fidelity)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">B\u1ea3n ch\u1ea5t<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">M\u1ea1ng c\u1ee5c b\u1ed9, m\u1ea1ng c\u00f3 d\u00e2y.<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">M\u1ea1ng kh\u00f4ng d\u00e2y.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">K\u1ebft n\u1ed1i th\u00f4ng qua h\u1ec7 th\u1ed1ng d\u00e2y c\u00e1p v\u1eadt l\u00fd (th\u01b0\u1eddng l\u00e0 c\u00e1p Ethernet).<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Truy\u1ec1n d\u1eef li\u1ec7u qua s\u00f3ng v\u00f4 tuy\u1ebfn (t\u01b0\u01a1ng t\u1ef1 s\u00f3ng truy\u1ec1n h\u00ecnh, \u0111i\u1ec7n tho\u1ea1i).<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Switch\/Hub, Router, C\u00e1p Ethernet (Cat5e, Cat6&#8230;), Card m\u1ea1ng (NIC).<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Router WiFi, Modem (n\u1ebfu t\u00e1ch ri\u00eang), Access Point (AP), thi\u1ebft b\u1ecb thu WiFi t\u00edch h\u1ee3p s\u1eb5n (WiFi adapter).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2. \u01afu v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h4>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; max-width: 100%; box-shadow: 0 1px 3px rgba(12,64,244,0.1);\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">M\u1ea1ng LAN (M\u1ea1ng c\u00f3 d\u00e2y)<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">M\u1ea1ng WiFi (M\u1ea1ng kh\u00f4ng d\u00e2y)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">T\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Cao v\u00e0 \u1ed5n \u0111\u1ecbnh. C\u00f3 th\u1ec3 \u0111\u1ea1t t\u1eeb 1Gbps \u2013 10Gbps (t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1p Cat6).<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">T\u00f9y thu\u1ed9c v\u00e0o chu\u1ea9n WiFi, kho\u1ea3ng c\u00e1ch v\u00e0 thi\u1ebft b\u1ecb. Dao \u0111\u1ed9ng t\u1eeb v\u00e0i tr\u0103m Mbps \u0111\u1ebfn h\u01a1n 1Gbps trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng. Th\u1ea5p h\u01a1n so v\u1edbi m\u1ea1ng d\u00e2y.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">R\u1ea5t cao, g\u1ea7n nh\u01b0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 s\u00f3ng \u0111i\u1ec7n t\u1eeb, v\u1eadt c\u1ea3n hay thi\u1ebft b\u1ecb g\u00e2y nhi\u1ec5u.<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">D\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi v\u1eadt c\u1ea3n s\u00f3ng, t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eed, nhi\u1ec5u s\u00f3ng t\u1eeb c\u00e1c khu v\u1ef1c l\u00e2n c\u1eadn, ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i c\u00f9ng l\u00fac.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">\u0110\u1ed9 tr\u1ec5 (Ping)<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">R\u1ea5t th\u1ea5p. L\u00fd t\u01b0\u1edfng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u1eddi gian th\u1ef1c (ch\u01a1i game eSports, h\u1ecdp tr\u1ef1c tuy\u1ebfn).<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Th\u01b0\u1eddng cao h\u01a1n do c\u00f3 th\u00eam kho\u1ea3ng th\u1eddi gian tr\u1ec5 t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ebfn router.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">T\u00ednh linh ho\u1ea1t<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">K\u00e9m, ng\u01b0\u1eddi d\u00f9ng b\u1ecb c\u1ed1 \u0111\u1ecbnh t\u1ea1i v\u1ecb tr\u00ed c\u00f3 c\u00e1p m\u1ea1ng.<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">R\u1ea5t linh ho\u1ea1t, cho ph\u00e9p di chuy\u1ec3n t\u1ef1 do trong v\u00f9ng ph\u1ee7 s\u00f3ng.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">\u0110\u1ed9 b\u1ea3o m\u1eadt<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Cao h\u01a1n, kh\u00f3 b\u1ecb x\u00e2m nh\u1eadp t\u1eeb xa h\u01a1n.<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Th\u1ea5p h\u01a1n, l\u00e0 d\u1ea1ng m\u1ea1ng \u201cph\u00e1t s\u00f3ng c\u00f4ng khai\u201d. C\u1ea7n c\u1ea5u h\u00ecnh k\u1ef9 l\u01b0\u1ee1ng (m\u1eadt kh\u1ea9u m\u1ea1nh, t\u01b0\u1eddng l\u1eeda, m\u00e3 h\u00f3a WPA2\/WPA3) \u0111\u1ec3 tr\u00e1nh b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Chi ph\u00ed &amp; Thi c\u00f4ng<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">T\u1ed1n k\u00e9m h\u01a1n do chi ph\u00ed mua d\u00e2y m\u1ea1ng, switch, nh\u00e2n c\u00f4ng \u0111i d\u00e2y \u00e2m t\u01b0\u1eddng ho\u1eb7c thi c\u00f4ng h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n, d\u1ec5 d\u00e0ng tri\u1ec3n khai, kh\u00f4ng c\u1ea7n thi c\u00f4ng d\u00e2y ph\u1ee9c t\u1ea1p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Nen-chon-Mang-LAN-hay-Mang-Wifi\"><\/span>N\u00ean ch\u1ecdn M\u1ea1ng LAN hay M\u1ea1ng Wifi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Theo c\u00e1c ngu\u1ed3n, kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn &#8220;t\u1ed1t tuy\u1ec7t \u0111\u1ed1i&#8221;, m\u00e0 ch\u1ec9 c\u00f3 l\u1ef1a ch\u1ecdn &#8220;ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi t\u1eebng ho\u00e0n c\u1ea3nh s\u1eed d\u1ee5ng&#8221;.<\/p>\n<h4><strong>1. \u01afu ti\u00ean ch\u1ecdn M\u1ea1ng LAN (M\u1ea1ng c\u00f3 d\u00e2y)<\/strong><\/h4>\n<p>M\u1ea1ng LAN l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u n\u1ebfu b\u1ea1n \u01b0u ti\u00ean s\u1ef1 \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; max-width: 100%; box-shadow: 0 1px 3px rgba(12,64,244,0.1);\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">Tr\u01b0\u1eddng h\u1ee3p<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">L\u00fd do<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Ph\u00f2ng game, Studio livestream<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Gi\u00fap \u0111\u1ea1t ping th\u1ea5p nh\u1ea5t khi ch\u01a1i game online, \u0111\u1ea3m b\u1ea3o truy\u1ec1n t\u1ea3i <a href=\"https:\/\/interdata.vn\/blog\/big-data-la-gi\/\">d\u1eef li\u1ec7u l\u1edbn<\/a> (stream, upload video) kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Doanh nghi\u1ec7p v\u1eeba v\u00e0 l\u1edbn, V\u0103n ph\u00f2ng<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">D\u00f9ng cho m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, m\u00e1y in, m\u00e1y ch\u1ee7 n\u1ed9i b\u1ed9, h\u1ec7 th\u1ed1ng NAS, ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd, server, backup, n\u01a1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Sao ch\u00e9p d\u1eef li\u1ec7u n\u1ed9i b\u1ed9<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">M\u1ea1ng d\u00e2y h\u1ed7 tr\u1ee3 sao ch\u00e9p d\u1eef li\u1ec7u gi\u1eefa c\u00e1c m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi WiFi.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>2. \u01afu ti\u00ean ch\u1ecdn M\u1ea1ng WiFi (M\u1ea1ng kh\u00f4ng d\u00e2y)<\/strong><\/h4>\n<p>M\u1ea1ng WiFi l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t n\u1ebfu b\u1ea1n y\u00eau th\u00edch s\u1ef1 t\u1ef1 do di chuy\u1ec3n, ti\u1ec7n l\u1ee3i, kh\u00f4ng r\u01b0\u1eddm r\u00e0 d\u00e2y d\u1ee3.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; max-width: 100%; box-shadow: 0 1px 3px rgba(12,64,244,0.1);\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">Tr\u01b0\u1eddng h\u1ee3p<\/th>\n<th style=\"padding: 12px 16px; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); border: 1px solid rgba(0,0,0,0.05);\">L\u00fd do<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">H\u1ed9 gia \u0111\u00ecnh, Qu\u00e1n c\u00e0 ph\u00ea, Nh\u00e0 h\u00e0ng<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Kh\u00e1ch h\u00e0ng\/th\u00e0nh vi\u00ean gia \u0111\u00ecnh c\u1ea7n k\u1ebft n\u1ed1i nhanh ch\u00f3ng, ti\u1ec7n l\u1ee3i. Ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian m\u1edf, d\u1ec5 d\u00e0ng di chuy\u1ec3n thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">K\u1ebft n\u1ed1i cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, laptop, smart TV, camera an ninh, robot h\u00fat b\u1ee5i, thi\u1ebft b\u1ecb <a href=\"https:\/\/interdata.vn\/blog\/internet-of-things\/\">IoT<\/a>.<\/td>\n<\/tr>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; vertical-align: top; background: #fbfdff; border: 1px solid #e6f0ff;\" scope=\"row\">Y\u1ebfu t\u1ed1 th\u1ea9m m\u1ef9<\/th>\n<td style=\"padding: 12px 16px; vertical-align: top; border: 1px solid #e6f0ff;\">Th\u00edch h\u1ee3p cho nh\u1eefng kh\u00f4ng gian c\u1ea7n t\u00ednh th\u1ea9m m\u1ef9 ho\u1eb7c kh\u00f3 \u0111i d\u00e2y (nh\u01b0 chung c\u01b0 ho\u1eb7c v\u0103n ph\u00f2ng hi\u1ec7n \u0111\u1ea1i).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Lua-chon-toi-uu-Ket-hop-ca-hai\"><\/span>L\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u: K\u1ebft h\u1ee3p c\u1ea3 hai<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p hi\u1ec7n \u0111\u1ea1i ng\u00e0y nay, vi\u1ec7c <b>k\u1ebft h\u1ee3p c\u1ea3 hai c\u00f4ng ngh\u1ec7 <\/b>&#8211; v\u1eeba LAN cho thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh (PC, Smart TV, Server), v\u1eeba WiFi cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng (Laptop, Smartphone) &#8211; s\u1ebd mang l\u1ea1i tr\u1ea3i nghi\u1ec7m to\u00e0n di\u1ec7n nh\u1ea5t.<\/div>\n<div><\/div>\n<div><b>V\u00ed d\u1ee5 v\u1ec1 k\u1ebft h\u1ee3p:<\/b><\/div>\n<ul>\n<li><b>V\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c:<\/b> <b>LAN<\/b> d\u00f9ng cho m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n v\u00e0 m\u00e1y ch\u1ee7 n\u1ed9i b\u1ed9 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 v\u00e0 \u1ed5n \u0111\u1ecbnh; <b>WiFi<\/b> d\u00f9ng cho laptop, \u0111i\u1ec7n tho\u1ea1i c\u1ee7a nh\u00e2n vi\u00ean v\u00e0 kh\u00e1ch h\u00e0ng \u0111\u1ec3 t\u0103ng t\u00ednh linh ho\u1ea1t.<\/li>\n<li><b>H\u1ed9 gia \u0111\u00ecnh:<\/b> S\u1eed d\u1ee5ng <b>WiFi<\/b> cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng; \u0111i d\u00e2y <b>LAN<\/b> ri\u00eang n\u1ebfu c\u00f3 m\u00e1y t\u00ednh b\u00e0n ph\u1ee5c v\u1ee5 l\u00e0m vi\u1ec7c t\u1ea1i nh\u00e0 ho\u1eb7c Smart TV \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh khi xem phim ho\u1eb7c h\u1ecdp tr\u1ef1c tuy\u1ebfn.<\/li>\n<\/ul>\n<div>Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee9 \u0111\u1ec3 b\u1ea1n l\u1ef1a ch\u1ecdn theo xu h\u01b0\u1edbng, m\u00e0 l\u00e0 th\u1ee9 c\u1ea7n <b>ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf s\u1eed d\u1ee5ng<\/b> \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t, chi ph\u00ed v\u00e0 tr\u1ea3i nghi\u1ec7m<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-ket-noi-trong-mang-LAN\"><\/span>C\u00e1c lo\u1ea1i k\u1ebft n\u1ed1i trong m\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea1ng LAN l\u00e0 m\u1ea1ng c\u00f3 d\u00e2y hay kh\u00f4ng d\u00e2y? Trong m\u1ed9t m\u1ea1ng LAN, c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua hai ph\u01b0\u01a1ng th\u1ee9c ch\u00ednh, m\u1ed7i ph\u01b0\u01a1ng th\u1ee9c c\u00f3 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29641\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-01.jpg\" alt=\"M\u1ea1ng LAN\" width=\"600\" height=\"286\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-01.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Mang-LAN-01-300x143.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mang-LAN-co-day-Wired-LAN\"><\/span>M\u1ea1ng LAN c\u00f3 d\u00e2y (Wired LAN)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u01b0\u01a1ng th\u1ee9c n\u00e0y s\u1eed d\u1ee5ng c\u00e1p Ethernet \u0111\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp c\u00e1c thi\u1ebft b\u1ecb v\u00e0o switch ho\u1eb7c router. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a m\u1ea1ng c\u00f3 d\u00e2y l\u00e0 t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tr\u1ec5 (latency) c\u1ef1c th\u1ea5p v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, m\u00e1y ch\u1ee7 v\u00e0 c\u00e1c game th\u1ee7 chuy\u00ean nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mang-LAN-khong-day-Wireless-LAN-%E2%80%93-WLAN-hay-Wi-Fi\"><\/span>M\u1ea1ng LAN kh\u00f4ng d\u00e2y (Wireless LAN &#8211; WLAN hay Wi-Fi)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng LAN kh\u00f4ng d\u00e2y s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 linh ho\u1ea1t t\u1ed1i \u0111a. B\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1ef1 do trong v\u00f9ng ph\u1ee7 s\u00f3ng m\u00e0 v\u1eabn duy tr\u00ec k\u1ebft n\u1ed1i. Tuy nhi\u00ean, k\u1ebft n\u1ed1i Wi-Fi c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi v\u1eadt c\u1ea3n v\u00e0 nhi\u1ec5u s\u00f3ng, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh kh\u00f4ng b\u1eb1ng m\u1ea1ng c\u00f3 d\u00e2y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-ung-dung-cua-mang-LAN\"><\/span>Nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ee7a m\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea1ng LAN c\u00f3 m\u1eb7t trong h\u1ea7u h\u1ebft m\u1ecdi kh\u00eda c\u1ea1nh c\u1ee7a cu\u1ed9c s\u1ed1ng s\u1ed1, t\u1eeb gi\u1ea3i tr\u00ed c\u00e1 nh\u00e2n \u0111\u1ebfn v\u1eadn h\u00e0nh doanh nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trong-gia-dinh\"><\/span>Trong gia \u0111\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i nh\u00e0, m\u1ea1ng LAN k\u1ebft n\u1ed1i m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, TV th\u00f4ng minh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb IoT kh\u00e1c. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n truy\u1ec1n ph\u00e1t phim 4K t\u1eeb \u1ed5 c\u1ee9ng m\u1ea1ng \u0111\u1ebfn TV kh\u00f4ng b\u1ecb gi\u1eadt, hay \u0111\u1ea3m b\u1ea3o c\u00e1c tr\u1eadn game online c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p nh\u1ea5t khi k\u1ebft n\u1ed1i m\u00e1y ch\u01a1i game qua c\u00e1p Ethernet.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trong-van-phong-doanh-nghiep\"><\/span>Trong v\u0103n ph\u00f2ng, doanh nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng LAN l\u00e0 h\u1ec7 th\u1ed1ng th\u1ea7n kinh trung \u01b0\u01a1ng c\u1ee7a m\u1ed9t doanh nghi\u1ec7p. H\u1ec7 th\u1ed1ng n\u00e0y cho ph\u00e9p nh\u00e2n vi\u00ean chia s\u1ebb t\u1ec7p tin qua m\u00e1y ch\u1ee7 n\u1ed9i b\u1ed9, s\u1eed d\u1ee5ng chung m\u00e1y in, truy c\u1eadp c\u00e1c ph\u1ea7n m\u1ec1m k\u1ebf to\u00e1n ho\u1eb7c qu\u1ea3n l\u00fd kh\u00e1ch h\u00e0ng t\u1eadp trung, v\u00e0 k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t an ninh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trong-truong-hoc-quan-game\"><\/span>Trong tr\u01b0\u1eddng h\u1ecdc, qu\u00e1n game<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong m\u00f4i tr\u01b0\u1eddng gi\u00e1o d\u1ee5c, m\u1ea1ng LAN h\u1ed7 tr\u1ee3 vi\u1ec7c qu\u1ea3n l\u00fd ph\u00f2ng m\u00e1y t\u00ednh, tri\u1ec3n khai c\u00e1c b\u00e0i gi\u1ea3ng v\u00e0 t\u00e0i li\u1ec7u h\u1ecdc t\u1eadp \u0111i\u1ec7n t\u1eed. T\u1ea1i c\u00e1c ph\u00f2ng game (iCafe), m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng LAN hi\u1ec7u su\u1ea5t cao l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u00e0ng tr\u0103m m\u00e1y t\u00ednh c\u00f3 th\u1ec3 t\u1ea3i game v\u00e0 ch\u01a1i c\u00f9ng l\u00fac m\u1ed9t c\u00e1ch m\u01b0\u1ee3t m\u00e0.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau-hoi-thuong-gap-ve-mang-LAN-FAQ\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 m\u1ea1ng LAN (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Mang-LAN-co-phai-la-Internet-khong\"><\/span>M\u1ea1ng LAN c\u00f3 ph\u1ea3i l\u00e0 Internet kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng, m\u1ea1ng LAN v\u00e0 Internet l\u00e0 hai kh\u00e1i ni\u1ec7m kh\u00e1c nhau. M\u1ea1ng LAN l\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u1edbi nhau. Internet l\u00e0 m\u1ea1ng to\u00e0n c\u1ea7u k\u1ebft n\u1ed1i m\u1ea1ng LAN c\u1ee7a b\u1ea1n v\u1edbi h\u00e0ng tri\u1ec7u m\u1ea1ng kh\u00e1c. Router l\u00e0 thi\u1ebft b\u1ecb l\u00e0m c\u1ea7u n\u1ed1i gi\u1eefa hai m\u1ea1ng n\u00e0y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lam-the-nao-de-mo-rong-mang-LAN-tai-nha\"><\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng LAN t\u1ea1i nh\u00e0?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng LAN b\u1eb1ng nhi\u1ec1u c\u00e1ch. \u0110\u1ec3 th\u00eam c\u1ed5ng k\u1ebft n\u1ed1i c\u00f3 d\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 mua m\u1ed9t chi\u1ebfc switch. \u0110\u1ec3 m\u1edf r\u1ed9ng v\u00f9ng ph\u1ee7 s\u00f3ng Wi-Fi, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 b\u1ed9 l\u1eb7p s\u00f3ng (repeater) ho\u1eb7c thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng l\u01b0\u1edbi (mesh Wi-Fi) \u0111\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai-sao-mang-LAN-bi-cham-va-cach-khac-phuc\"><\/span>T\u1ea1i sao m\u1ea1ng LAN b\u1ecb ch\u1eadm v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ea1ng LAN b\u1ecb ch\u1eadm c\u00f3 th\u1ec3 do nhi\u1ec1u nguy\u00ean nh\u00e2n: c\u00e1p m\u1ea1ng b\u1ecb h\u1ecfng ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, switch ho\u1eb7c router \u0111\u00e3 c\u0169 v\u00e0 qu\u00e1 t\u1ea3i, ho\u1eb7c c\u00f3 m\u1ed9t thi\u1ebft b\u1ecb trong m\u1ea1ng \u0111ang s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u b\u0103ng th\u00f4ng. B\u1ea1n c\u00f3 th\u1ec3 th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i router, ki\u1ec3m tra c\u00e1p m\u1ea1ng, v\u00e0 n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb n\u1ebfu c\u1ea7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cong-LAN-tren-TV-dung-de-lam-gi\"><\/span>C\u1ed5ng LAN tr\u00ean TV d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u1ed5ng LAN tr\u00ean TV th\u00f4ng minh cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i TV tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ea1ng b\u1eb1ng c\u00e1p Ethernet. Vi\u1ec7c n\u00e0y cung c\u1ea5p m\u1ed9t k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 nhanh h\u01a1n so v\u1edbi Wi-Fi, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi b\u1ea1n xem c\u00e1c n\u1ed9i dung c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u01b0 4K ho\u1eb7c 8K t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 streaming.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y t\u1ea1i gia \u0111\u00ecnh hay v\u0103n ph\u00f2ng, vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec3 chia s\u1ebb d\u1eef li\u1ec7u v\u00e0 truy c\u1eadp Internet l\u00e0 m\u1ed9t nhu c\u1ea7u thi\u1ebft y\u1ebfu. M\u1ea1ng LAN ch\u00ednh l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng cho ph\u00e9p \u0111i\u1ec1u n\u00e0y di\u1ec5n ra m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 nhanh ch\u00f3ng. B\u00e0i vi\u1ebft<\/p>\n","protected":false},"author":2,"featured_media":29643,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151],"tags":[],"class_list":["post-29639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=29639"}],"version-history":[{"count":4,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29639\/revisions"}],"predecessor-version":[{"id":35725,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/29639\/revisions\/35725"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/29643"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=29639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=29639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=29639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}