{"id":478207,"date":"2023-08-09T09:29:10","date_gmt":"2023-08-09T09:29:10","guid":{"rendered":""},"modified":"2023-12-28T06:28:57","modified_gmt":"2023-12-28T06:28:57","slug":"nic","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/nic\/","title":{"rendered":"NIC"},"content":{"rendered":"<p>Th\u1ebb giao di\u1ec7n m\u1ea1ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 NIC, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng cho ph\u00e9p m\u00e1y t\u00ednh k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng. \u0110\u00e2y l\u00e0 giao di\u1ec7n quan tr\u1ecdng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa m\u00e1y t\u00ednh v\u00e0 m\u1ea1ng, cho d\u00f9 \u0111\u00f3 l\u00e0 m\u1ea1ng LAN c\u00f3 d\u00e2y (M\u1ea1ng c\u1ee5c b\u1ed9) hay k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y.<\/p>\n<h2>L\u1ecbch s\u1eed c\u1ee7a NIC v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean c\u1ee7a n\u00f3<\/h2>\n<p>L\u1ecbch s\u1eed c\u1ee7a NIC b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1970 khi c\u00f4ng ngh\u1ec7 Ethernet \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u. Bob Metcalfe, ng\u01b0\u1eddi \u0111\u1ed3ng ph\u00e1t minh ra Ethernet khi c\u00f2n \u1edf Xerox PARC, \u0111\u00e3 thi\u1ebft k\u1ebf NIC Ethernet \u0111\u1ea7u ti\u00ean. N\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t s\u1ef1 thay \u0111\u1ed5i mang t\u00ednh c\u00e1ch m\u1ea1ng trong vi\u1ec7c cho ph\u00e9p c\u00e1c m\u00e1y t\u00ednh giao ti\u1ebfp v\u1edbi nhau qua m\u1ed9t m\u1ea1ng chia s\u1ebb. Ph\u00e1t minh n\u00e0y cho ph\u00e9p \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c, d\u1eabn t\u1edbi k\u1ef7 nguy\u00ean k\u1ebft n\u1ed1i m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 NIC<\/h2>\n<p>NIC ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t giao di\u1ec7n gi\u1eefa m\u1ea1ch \u0111i\u1ec7n b\u00ean trong m\u00e1y t\u00ednh v\u00e0 c\u00e1p m\u1ea1ng ho\u1eb7c k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y. NIC d\u1ecbch d\u1eef li\u1ec7u do m\u00e1y t\u00ednh t\u1ea1o ra sang \u0111\u1ecbnh d\u1ea1ng c\u00f3 th\u1ec3 truy\u1ec1n qua m\u1ea1ng. N\u00f3 ch\u1ee9a c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c giao ti\u1ebfp m\u1ea1ng.<\/p>\n<h3>Th\u00e0nh ph\u1ea7n ch\u00ednh<\/h3>\n<ul>\n<li><strong>B\u1ed9 thu ph\u00e1t:<\/strong> Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u s\u1ed1 th\u00e0nh t\u00edn hi\u1ec7u.<\/li>\n<li><strong>\u0110\u1ecba ch\u1ec9 MAC:<\/strong> M\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t cho giao di\u1ec7n m\u1ea1ng.<\/li>\n<li><strong>B\u1ed9 \u0111\u1ec7m RAM:<\/strong> L\u01b0u tr\u1eef t\u1ea1m th\u1eddi cho c\u00e1c g\u00f3i d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>C\u00e1c lo\u1ea1i m\u1ea1ng ph\u1ed5 bi\u1ebfn<\/h3>\n<ul>\n<li><strong>Ethernet:<\/strong> K\u1ebft n\u1ed1i c\u00f3 d\u00e2y ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n<li><strong>Wifi:<\/strong> K\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y ph\u1ed5 bi\u1ebfn.<\/li>\n<li><strong>Nh\u1eabn m\u00e3 th\u00f4ng b\u00e1o:<\/strong> M\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1ng c\u0169 h\u01a1n.<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a NIC<\/h2>\n<h3>NIC ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n<ol>\n<li><strong>Nh\u1eadn d\u1eef li\u1ec7u:<\/strong> NIC nh\u1eadn c\u00e1c g\u00f3i d\u1eef li\u1ec7u t\u1eeb c\u00e1p m\u1ea1ng ho\u1eb7c t\u00edn hi\u1ec7u kh\u00f4ng d\u00e2y.<\/li>\n<li><strong>Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u:<\/strong> Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sang \u0111\u1ecbnh d\u1ea1ng k\u1ef9 thu\u1eadt s\u1ed1 m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>B\u1ed9 \u0111\u1ec7m:<\/strong> L\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u1ec3 cho ph\u00e9p m\u00e1y t\u00ednh x\u1eed l\u00fd n\u00f3.<\/li>\n<li><strong>Truy\u1ec1n d\u1eef li\u1ec7u:<\/strong> G\u1eedi d\u1eef li\u1ec7u t\u1eeb m\u00e1y t\u00ednh v\u00e0o m\u1ea1ng.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a NIC<\/h2>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9:<\/strong> NIC c\u00f3 nhi\u1ec1u t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 10, 100, 1000 Mbps.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch:<\/strong> NIC ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i m\u1ea1ng (v\u00ed d\u1ee5: Ethernet, Wi-Fi).<\/li>\n<li><strong>Lo\u1ea1i c\u1ed5ng:<\/strong> C\u00e1c \u0111\u1ea7u n\u1ed1i v\u1eadt l\u00fd kh\u00e1c nhau (v\u00ed d\u1ee5: RJ-45 cho Ethernet).<\/li>\n<li><strong>T\u00ednh n\u0103ng t\u00edch h\u1ee3p:<\/strong> M\u1ed9t s\u1ed1 NIC c\u00f3 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 h\u1ed7 tr\u1ee3 VLAN.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i NIC<\/h2>\n<h3>Theo lo\u1ea1i k\u1ebft n\u1ed1i<\/h3>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u k\u1ebft n\u1ed1i<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00f3 d\u00e2y<\/td>\n<td>S\u1eed d\u1ee5ng c\u00e1p nh\u01b0 Ethernet<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng d\u00e2y<\/td>\n<td>K\u1ebft n\u1ed1i qua Wi-Fi ho\u1eb7c m\u1ea1ng kh\u00f4ng d\u00e2y kh\u00e1c<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee3i quang<\/td>\n<td>S\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>theo t\u1ed1c \u0111\u1ed9<\/h3>\n<ul>\n<li>10 Mb\/gi\u00e2y<\/li>\n<li>100 Mb\/gi\u00e2y<\/li>\n<li>1 Gbps<\/li>\n<li>10Gbps<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng NIC, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00f4ng d\u1ee5ng<\/h3>\n<ul>\n<li>K\u1ebft n\u1ed1i v\u1edbi Internet<\/li>\n<li>X\u00e2y d\u1ef1ng m\u1ea1ng c\u1ee5c b\u1ed9<\/li>\n<li>Li\u00ean k\u1ebft c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 &amp; Gi\u1ea3i ph\u00e1p<\/h3>\n<ul>\n<li><strong>Kh\u00f4ng t\u01b0\u01a1ng th\u00edch:<\/strong> \u0110\u1ea3m b\u1ea3o NIC ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i m\u1ea1ng.<\/li>\n<li><strong>S\u1ef1 th\u1ea5t b\u1ea1i:<\/strong> B\u1ea3o tr\u00ec v\u00e0 gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean.<\/li>\n<li><strong>R\u1ee7i ro b\u1ea3o m\u1eadt:<\/strong> S\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda v\u00e0 c\u1ea5u h\u00ecnh an to\u00e0n.<\/li>\n<\/ul>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>NIC<\/th>\n<th>Ph\u1ea7n c\u1ee9ng t\u01b0\u01a1ng t\u1ef1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9<\/td>\n<td>L\u00ean t\u1edbi 10Gbps<\/td>\n<td>Kh\u00e1c nhau<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3u k\u1ebft n\u1ed1i<\/td>\n<td>C\u00f3 d\u00e2y\/kh\u00f4ng d\u00e2y<\/td>\n<td>Ch\u1ee7 y\u1ebfu l\u00e0 c\u00f3 d\u00e2y<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ee9c n\u0103ng<\/td>\n<td>K\u1ebft n\u1ed1i m\u1ea1ng<\/td>\n<td>C\u1ee5 th\u1ec3 cho lo\u1ea1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai<\/h2>\n<p>V\u1edbi s\u1ef1 t\u0103ng tr\u01b0\u1edfng li\u00ean t\u1ee5c v\u1ec1 nhu c\u1ea7u truy\u1ec1n d\u1eef li\u1ec7u, NIC d\u1ef1 ki\u1ebfn s\u1ebd ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 h\u01a1n. T\u00edch h\u1ee3p v\u1edbi AI \u0111\u1ec3 t\u1ef1 gi\u00e1m s\u00e1t v\u00e0 ph\u00e1t tri\u1ec3n NIC truy\u1ec1n th\u00f4ng l\u01b0\u1ee3ng t\u1eed l\u00e0 nh\u1eefng h\u01b0\u1edbng \u0111i ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi NIC<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p, ho\u1ea1t \u0111\u1ed9ng c\u00f9ng v\u1edbi c\u00e1c NIC \u0111\u1ec3 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i m\u1ea1ng. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 trung gian, chuy\u1ec3n ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. NIC x\u1eed l\u00fd k\u1ebft n\u1ed1i v\u1eadt l\u00fd, trong khi m\u00e1y ch\u1ee7 proxy qu\u1ea3n l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u, b\u1ed5 sung c\u00e1c l\u1edbp b\u1ea3o m\u1eadt, \u1ea9n danh ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/routers\/access\/interfaces\/ic\/hardware\/installation\/guide\/esw_wic.html\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia - B\u1ed9 \u0111i\u1ec1u khi\u1ec3n giao di\u1ec7n m\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/interfaces-modules\/network-interface-modules-nim\/200186-Understanding-NIC-Network-Interface-Card.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco \u2013 T\u00ecm hi\u1ec3u NIC<\/a><\/li>\n<\/ul>\n<p>B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 NIC, t\u1eeb ngu\u1ed3n g\u1ed1c l\u1ecbch s\u1eed \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i c\u1ee7a n\u00f3. S\u1ef1 li\u00ean k\u1ebft v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 proxy nh\u1ea5n m\u1ea1nh vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a NIC trong m\u00f4i tr\u01b0\u1eddng n\u1ed1i m\u1ea1ng v\u00e0 nh\u1eefng ti\u1ebfn b\u1ed9 li\u00ean t\u1ee5c trong c\u00f4ng ngh\u1ec7 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3.<\/p>","protected":false},"featured_media":469009,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478207","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Network Interface Card (NIC)<\/mark>","faq_items":[{"question":"What is a Network Interface Card (NIC)?","answer":"A Network Interface Card, or NIC, is a hardware component that connects a computer to a network, serving as an interface for transmitting and receiving data. It can facilitate connections via wired (Ethernet), wireless (Wi-Fi), or fiber optic channels."},{"question":"Who invented the first Network Interface Card, and when?","answer":"Bob Metcalfe co-invented Ethernet and designed the first Ethernet NIC in the early 1970s while working at Xerox PARC. This invention played a significant role in the development of modern networking."},{"question":"How does a NIC work?","answer":"A NIC functions by receiving data packets from the network, converting the data into a digital format that the computer can interpret, temporarily buffering it, and then transmitting it either to the computer or back to the network. It serves as a bridge between the computer's internal circuitry and the network cables or wireless connections."},{"question":"What are the key features of a NIC?","answer":"Key features of a NIC include its speed (e.g., 10, 100, 1000 Mbps), compatibility with network types (e.g., Ethernet, Wi-Fi), the type of physical connector (e.g., RJ-45 for Ethernet), and possibly integrated advanced features such as VLAN support."},{"question":"What types of NIC exist?","answer":"NICs can be categorized by connection type, including Wired (using cables like Ethernet), Wireless (connecting via Wi-Fi), and Fiber Optic (using light signals). They can also be classified by speed, ranging from 10 Mbps to 10 Gbps."},{"question":"What are common problems with NICs, and how can they be solved?","answer":"Common problems with NICs include incompatibility with the network type, failure of the NIC itself, and security risks. Solutions include ensuring that the NIC matches the network type, regular maintenance and monitoring, and utilizing firewalls and secure configurations."},{"question":"How are NICs related to future technology?","answer":"NICs are expected to evolve with higher speeds and more energy-efficient designs. Future technologies may include integration with AI for self-monitoring and development of quantum communication NICs."},{"question":"How can proxy servers like OneProxy be used with NIC?","answer":"Proxy servers like OneProxy work in conjunction with NICs to manage network connections. While the NIC handles the physical connection, the proxy server forwards requests and responses between clients and servers, adding layers of security, anonymity, or optimization."},{"question":"Where can I find more information about NIC?","answer":"You can find more detailed information about NIC on resources such as <a href=\"https:\/\/en.wikipedia.org\/wiki\/Network_interface_controller\" target=\"_new\">Wikipedia's page on Network Interface Controller<\/a> and <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/interfaces-modules\/network-interface-modules-nim\/200186-Understanding-NIC-Network-Interface-Card.html\" target=\"_new\">Cisco's guide to Understanding NIC<\/a>. Also, OneProxy's website <a href=\"https:\/\/oneproxy.pro\" target=\"_new\">OneProxy - Proxy Solutions<\/a> offers related insights into proxy servers and their association with NIC."}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478207\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/469009"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}