{"id":27995,"date":"2023-09-11T10:48:31","date_gmt":"2023-09-11T03:48:31","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi"},"modified":"2023-09-11T10:48:31","modified_gmt":"2023-09-11T03:48:31","slug":"hub-la-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch"},"content":{"rendered":"<p>Hub l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m &#8220;hub&#8221; &#8211; m\u1ed9t trung t\u00e2m hay \u0111i\u1ec3m n\u1ed1i, n\u01a1i c\u00e1c th\u00f4ng tin, d\u1ecbch v\u1ee5 ho\u1eb7c ngu\u1ed3n l\u1ef1c \u0111\u01b0\u1ee3c t\u1eadp trung v\u00e0 ph\u00e2n ph\u1ed1i cho c\u00e1c th\u00e0nh vi\u00ean trong m\u1ea1ng l\u01b0\u1edbi. \u0110\u00e2y l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 kinh doanh, gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 s\u1ef1 li\u00ean k\u1ebft trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/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\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6ace7a73eb887\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><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><\/label><input  type=\"checkbox\" id=\"item-6ace7a73eb887\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#1_Hub_la_gi\" title=\"1. Hub l\u00e0 g\u00ec?\">1. Hub l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Vi_du\" title=\"V\u00ed d\u1ee5:\">V\u00ed d\u1ee5:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Uu_diem_cua_Hub\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a Hub:\">\u01afu \u0111i\u1ec3m c\u1ee7a Hub:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#2_So_sanh_va_phan_biet_giua_Hub_va_Switch\" title=\"2. So s\u00e1nh v\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch.\">2. So s\u00e1nh v\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch.<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Hub\" title=\"Hub:\">Hub:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Switch\" title=\"Switch:\">Switch:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#3_Toc_do_cua_Hub_nhu_the_nao\" title=\"3. T\u1ed1c \u0111\u1ed9 c\u1ee7a Hub nh\u01b0 th\u1ebf n\u00e0o?\">3. T\u1ed1c \u0111\u1ed9 c\u1ee7a Hub nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#4_Cach_lam_viec_voi_Hub\" title=\"4. C\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi Hub.\">4. C\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi Hub.<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#41_Ket_noi_thiet_bi_voi_Hub\" title=\"4.1 K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u1edbi Hub\">4.1 K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u1edbi Hub<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#42_Thiet_lap_va_quan_ly_Hub\" title=\"4.2 Thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd Hub\">4.2 Thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd Hub<\/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:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#5_Loai_hub_pho_bien_va_chuc_nang_cua_tung_loai\" title=\"5. Lo\u1ea1i hub ph\u1ed5 bi\u1ebfn v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng lo\u1ea1i.\">5. Lo\u1ea1i hub ph\u1ed5 bi\u1ebfn v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng lo\u1ea1i.<\/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:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#51_Hub_khong_thong_minh_Unmanaged_Hub\" title=\"5.1 Hub kh\u00f4ng th\u00f4ng minh (Unmanaged Hub)\">5.1 Hub kh\u00f4ng th\u00f4ng minh (Unmanaged Hub)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#52_Hub_thong_minh_Managed_Hub\" title=\"5.2 Hub th\u00f4ng minh (Managed Hub)\">5.2 Hub th\u00f4ng minh (Managed Hub)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#6_Khi_nao_su_dung_Hub_tot_hon_Switch\" title=\"6. Khi n\u00e0o s\u1eed d\u1ee5ng Hub t\u1ed1t h\u01a1n Switch.\">6. Khi n\u00e0o s\u1eed d\u1ee5ng Hub t\u1ed1t h\u01a1n Switch.<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Hub_va_Switch_la_gi\" title=\"Hub v\u00e0 Switch l\u00e0 g\u00ec?\">Hub v\u00e0 Switch l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Hub-2\" title=\"Hub:\">Hub:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Switch-2\" title=\"Switch:\">Switch:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#7_So_sanh_chi_tiet_giua_Hub_va_Switch\" title=\"7. So s\u00e1nh chi ti\u1ebft gi\u1eefa Hub v\u00e0 Switch.\">7. So s\u00e1nh chi ti\u1ebft gi\u1eefa Hub v\u00e0 Switch.<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#Khac_biet_giua_Hub_va_Switch\" title=\"Kh\u00e1c bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch:\">Kh\u00e1c bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#8_Uu_diem_cua_Hub\" title=\"8. \u01afu \u0111i\u1ec3m c\u1ee7a Hub.\">8. \u01afu \u0111i\u1ec3m c\u1ee7a Hub.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#9_Tang_mien_phi_bo_Plugin_359_giup_toi_uu_SEO_website\" title=\"9. T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 Plugin 359$ gi\u00fap t\u1ed1i \u01b0u SEO website.\">9. T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 Plugin 359$ gi\u00fap t\u1ed1i \u01b0u SEO website.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/hub-la-gi\/#10_Cac_tim_kiem_lien_quan_den_chu_de_hub\" title=\"10. C\u00e1c t\u00ecm ki\u1ebfm li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 &#8220;hub&#8221;.\">10. C\u00e1c t\u00ecm ki\u1ebfm li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 &#8220;hub&#8221;.<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Hub_la_gi\"><\/span>1. Hub l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hub<\/strong> (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 chia m\u1ea1ng) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau trong m\u1ed9t m\u1ea1ng LAN (Local Area Network). N\u00f3 ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc &#8220;m\u1ed9t v\u00e0o, t\u1ea5t c\u1ea3 ra&#8221;, t\u1ee9c l\u00e0 khi m\u1ed9t g\u00f3i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn hub t\u1eeb m\u1ed9t m\u00e1y t\u00ednh, hub s\u1ebd sao ch\u00e9p g\u00f3i d\u1eef li\u1ec7u v\u00e0 g\u1eedi n\u00f3 \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh kh\u00e1c \u0111\u00e3 k\u1ebft n\u1ed1i v\u1edbi hub.<\/p>\n<p>Hubs th\u01b0\u1eddng c\u00f3 nhi\u1ec1u c\u1ed5ng Ethernet \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, switch ho\u1eb7c router. M\u1ed7i c\u1ed5ng tr\u00ean hub \u0111\u01b0\u1ee3c coi nh\u01b0 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00f9ng m\u1ed9t segment (\u0111o\u1ea1n) m\u1ea1ng LAN.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vi_du\"><\/span>V\u00ed d\u1ee5:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t v\u00ed d\u1ee5 v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng hub l\u00e0 trong m\u1ed9t c\u00f4ng ty c\u00f3 10 m\u00e1y t\u00ednh mu\u1ed1n k\u1ebft n\u1ed1i v\u1edbi nhau trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng LAN. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng hub, t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh n\u00e0y c\u00f3 th\u1ec3 chia s\u1ebb t\u00e0i nguy\u00ean v\u00e0 truy\u1ec1n th\u00f4ng qua vi\u1ec7c chia s\u1ebb th\u00f4ng tin qua giao th\u1ee9c Ethernet.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uu_diem_cua_Hub\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a Hub:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>D\u1ec5 s\u1eed d\u1ee5ng v\u00e0 c\u00e0i \u0111\u1eb7t.<\/li>\n<li>Gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n so v\u1edbi switch.<\/li>\n<li>Cho ph\u00e9p m\u1edf r\u1ed9ng m\u1ea1ng LAN b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c hub kh\u00e1c v\u00e0o m\u1ea1ng hi\u1ec7n c\u00f3.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_So_sanh_va_phan_biet_giua_Hub_va_Switch\"><\/span>2. So s\u00e1nh v\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Hub\"><\/span>Hub:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hub l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u m\u00e1y t\u00ednh trong m\u1ed9t m\u1ea1ng LAN (Local Area Network). Hub ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng v\u1eadt l\u00fd c\u1ee7a m\u00f4 h\u00ecnh OSI, ngh\u0129a l\u00e0 n\u00f3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0o v\u00e0 g\u1eedi \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c tr\u00ean hub. Khi m\u1ed9t g\u00f3i tin \u0111\u01b0\u1ee3c nh\u1eadn, hub s\u1ebd sao ch\u00e9p v\u00e0 g\u1eedi \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh kh\u00e1c tr\u00ean m\u1ea1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Switch\"><\/span>Switch:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Switch c\u0169ng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh trong m\u1ea1ng LAN, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng th\u00f4ng minh h\u01a1n so v\u1edbi hub. Switch ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng li\u00ean k\u1ebft d\u1eef li\u1ec7u c\u1ee7a m\u00f4 h\u00ecnh OSI, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00edch c\u1ee7a g\u00f3i tin v\u00e0 ch\u1ec9 g\u1eedi n\u00f3 \u0111\u1ebfn m\u00e1y t\u00ednh nh\u1eadn th\u00edch h\u1ee3p, thay v\u00ec sao ch\u00e9p v\u00e0 g\u1eedi cho t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh tr\u00ean m\u1ea1ng nh\u01b0 hub. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1eafc ngh\u1ebdn v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ea1ng.<\/p>\n<p>V\u00ec switch c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd th\u00f4ng minh h\u01a1n, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng LAN hi\u1ec7n \u0111\u1ea1i. Hub v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t ho\u1eb7c trong c\u00e1c m\u1ea1ng nh\u1ecf c\u00f3 y\u00eau c\u1ea7u \u00edt cao v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Toc_do_cua_Hub_nhu_the_nao\"><\/span>3. T\u1ed1c \u0111\u1ed9 c\u1ee7a Hub nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"3. T\u1ed1c \u0111\u1ed9 c\u1ee7a Hub nh\u01b0 th\u1ebf n\u00e0o?\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/su_khac_biet_giua_hub_va_switch.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"3. T\u1ed1c \u0111\u1ed9 c\u1ee7a Hub nh\u01b0 th\u1ebf n\u00e0o?\"\/><br \/>\nT\u1ed1c \u0111\u1ed9 c\u1ee7a hub ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i hub v\u00e0 chu\u1ea9n k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c lo\u1ea1i hub ph\u1ed5 bi\u1ebfn bao g\u1ed3m hub 10Mbps, hub 100Mbps v\u00e0 hub 1000Mbps (hay c\u00f2n g\u1ecdi l\u00e0 Gigabit hub). <\/p>\n<p>Hub 10Mbps ch\u1ec9 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 10 Megabits tr\u00ean gi\u00e2y. \u0110\u00e2y l\u00e0 t\u1ed1c \u0111\u1ed9 r\u1ea5t ch\u1eadm so v\u1edbi c\u00e1c chu\u1ea9n k\u1ebft n\u1ed1i m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c m\u1ea1ng nh\u1ecf ho\u1eb7c kh\u00f4ng y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 cao.<\/p>\n<p>Hub 100Mbps h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 100 Megabits tr\u00ean gi\u00e2y, nhanh h\u01a1n g\u1ea5p 10 l\u1ea7n so v\u1edbi hub 10Mbps. \u0110\u00e2y l\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u1ea1ng LAN ng\u00e0y nay.<\/p>\n<p>Gigabit hub h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 1000 Megabits tr\u00ean gi\u00e2y, nhanh nh\u1ea5t trong c\u00e1c lo\u1ea1i hub. \u0110\u00e2y l\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng LAN hi\u1ec7n \u0111\u1ea1i v\u00e0 cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u nhanh ch\u00f3ng v\u00e0 m\u01b0\u1ee3t m\u00e0.<\/p>\n<p>Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng t\u1ed1c \u0111\u1ed9 c\u1ee7a hub ch\u1ec9 \u00e1p d\u1ee5ng cho k\u1ebft n\u1ed1i gi\u1eefa m\u00e1y t\u00ednh v\u00e0 hub, kh\u00f4ng bao g\u1ed3m t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u1ea1ng WAN (Wide Area Network) ho\u1eb7c Internet.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Cach_lam_viec_voi_Hub\"><\/span>4. C\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi Hub.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_Ket_noi_thiet_bi_voi_Hub\"><\/span>4.1 K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u1edbi Hub<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi l\u00e0m vi\u1ec7c v\u1edbi Hub, b\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, camera IP ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c v\u00e0o c\u00e1c c\u1ed5ng c\u1ee7a Hub. \u0110\u1ea7u ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 Hub \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1eaft ngu\u1ed3n. Sau \u0111\u00f3, s\u1eed d\u1ee5ng c\u00e1p m\u1ea1ng \u0111\u1ec3 k\u1ebft n\u1ed1i t\u1eeb c\u1ed5ng Ethernet tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ebfn c\u1ed5ng tr\u00ean Hub. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1p m\u1ea1ng Cat5e ho\u1eb7c Cat6 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"42_Thiet_lap_va_quan_ly_Hub\"><\/span>4.2 Thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd Hub<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi k\u1ebft n\u1ed1i th\u00e0nh c\u00f4ng c\u00e1c thi\u1ebft b\u1ecb v\u1edbi Hub, b\u1ea1n c\u1ea7n thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd Hub \u0111\u1ec3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3. \u0110\u1ea7u ti\u00ean, h\u00e3y ki\u1ec3m tra xem Hub c\u00f3 h\u1ed7 tr\u1ee3 giao di\u1ec7n web hay kh\u00f4ng. N\u1ebfu c\u00f3, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp \u0111\u1ecba ch\u1ec9 IP c\u1ee7a Hub v\u00e0o tr\u00ecnh duy\u1ec7t web \u0111\u1ec3 truy c\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n l\u00fd.<\/p>\n<p>T\u1ea1i giao di\u1ec7n qu\u1ea3n l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 thi\u1ebft l\u1eadp \u0111\u1ecba ch\u1ec9 IP cho Hub, qu\u1ea3n l\u00fd c\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i, ki\u1ec3m tra tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Hub v\u00e0 thay \u0111\u1ed5i c\u00e1c c\u00e0i \u0111\u1eb7t m\u1ea1ng kh\u00e1c. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd t\u1eeb xa \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n Hub t\u1eeb xa v\u00e0 theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Loai_hub_pho_bien_va_chuc_nang_cua_tung_loai\"><\/span>5. Lo\u1ea1i hub ph\u1ed5 bi\u1ebfn v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng lo\u1ea1i.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"51_Hub_khong_thong_minh_Unmanaged_Hub\"><\/span>5.1 Hub kh\u00f4ng th\u00f4ng minh (Unmanaged Hub)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hub kh\u00f4ng th\u00f4ng minh l\u00e0 lo\u1ea1i hub c\u01a1 b\u1ea3n nh\u1ea5t v\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd hay \u0111i\u1ec1u khi\u1ec3n giao di\u1ec7n m\u1ea1ng. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a hub kh\u00f4ng th\u00f4ng minh l\u00e0 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u m\u1ea1ng v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0o hub. Tuy nhi\u00ean, do thi\u1ebfu t\u00ednh n\u0103ng qu\u1ea3n l\u00fd, hub kh\u00f4ng th\u00f4ng minh th\u01b0\u1eddng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng xung \u0111\u1ed9t d\u1eef li\u1ec7u trong m\u1ea1ng khi c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb truy\u1ec1n d\u1eef li\u1ec7u c\u00f9ng l\u00fac.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"52_Hub_thong_minh_Managed_Hub\"><\/span>5.2 Hub th\u00f4ng minh (Managed Hub)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hub th\u00f4ng minh l\u00e0 phi\u00ean b\u1ea3n cao c\u1ea5p h\u01a1n c\u1ee7a hub kh\u00f4ng th\u00f4ng minh v\u1edbi kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u khi\u1ec3n giao di\u1ec7n m\u1ea1ng. Hub th\u00f4ng minh c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh c\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i, gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng v\u00e0 ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0o m\u1ea1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u xung \u0111\u1ed9t d\u1eef li\u1ec7u v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/p>\n<p>Ngo\u00e0i ra, hub th\u00f4ng minh c\u00f2n c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt cao h\u01a1n, cho ph\u00e9p b\u1ea1n thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt nh\u01b0 ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0o m\u1ea1ng, ch\u1eb7n c\u00e1c \u0111\u1ecba ch\u1ec9 MAC kh\u00f4ng h\u1ee3p l\u1ec7 v\u00e0 theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb b\u00ean ngo\u00e0i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Khi_nao_su_dung_Hub_tot_hon_Switch\"><\/span>6. Khi n\u00e0o s\u1eed d\u1ee5ng Hub t\u1ed1t h\u01a1n Switch.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Hub_va_Switch_la_gi\"><\/span>Hub v\u00e0 Switch l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hub v\u00e0 Switch \u0111\u1ec1u l\u00e0 c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb trong m\u1ed9t m\u1ea1ng LAN (Local Area Network). Tuy nhi\u00ean, ch\u00fang c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Hub-2\"><\/span>Hub:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Hub ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng v\u1eadt l\u00fd c\u1ee7a m\u00f4 h\u00ecnh OSI (Open Systems Interconnection).<\/li>\n<li>N\u00f3 chia s\u1ebb t\u00edn hi\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng ra c\u00e1c c\u1ed5ng kh\u00e1c, kh\u00f4ng ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/li>\n<li>Khi m\u1ed9t thi\u1ebft b\u1ecb g\u1eedi d\u1eef li\u1ec7u v\u00e0o hub, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong m\u1ea1ng.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Switch-2\"><\/span>Switch:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Switch ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng li\u00ean k\u1ebft d\u1eef li\u1ec7u c\u1ee7a m\u00f4 h\u00ecnh OSI.<\/li>\n<li>N\u00f3 x\u00e2y d\u1ef1ng b\u1ea3ng MAC address \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00edch c\u1ee7a g\u00f3i tin v\u00e0 ch\u1ec9 g\u1eedi n\u00f3 \u0111\u1ebfn thi\u1ebft b\u1ecb nh\u1eadn th\u00edch h\u1ee3p.<\/li>\n<li>Khi m\u1ed9t thi\u1ebft b\u1ecb g\u1eedi d\u1eef li\u1ec7u v\u00e0o switch, n\u00f3 ch\u1ec9 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111\u00edch c\u1ea7n nh\u1eadn d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<p>V\u00ec s\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00f3 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p khi s\u1eed d\u1ee5ng hub c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n switch:<\/p>\n<ul>\n<li>Khi m\u1ea1ng ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c thi\u1ebft b\u1ecb v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u vi\u1ec7c ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u chi ti\u1ebft.<\/li>\n<li>Khi ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf v\u00e0 hub c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n switch.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"7_So_sanh_chi_tiet_giua_Hub_va_Switch\"><\/span>7. So s\u00e1nh chi ti\u1ebft gi\u1eefa Hub v\u00e0 Switch.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Khac_biet_giua_Hub_va_Switch\"><\/span>Kh\u00e1c bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hub v\u00e0 Switch c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng sau:<\/p>\n<ul>\n<li><strong>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng:<\/strong> Hub chia s\u1ebb t\u00edn hi\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng ra c\u00e1c c\u1ed5ng kh\u00e1c, trong khi switch x\u00e2y d\u1ef1ng b\u1ea3ng MAC address \u0111\u1ec3 ch\u1ec9 g\u1eedi g\u00f3i tin \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111\u00edch.<\/li>\n<li><strong>L\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u:<\/strong> Hub kh\u00f4ng ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u, trong khi switch x\u1eed l\u00fd th\u00f4ng tin v\u1ec1 \u0111\u00edch c\u1ee7a g\u00f3i tin v\u00e0 ch\u1ec9 g\u1eedi n\u00f3 \u0111\u1ebfn thi\u1ebft b\u1ecb nh\u1eadn th\u00edch h\u1ee3p.<\/li>\n<li><strong>B\u1ea3o m\u1eadt:<\/strong> V\u00ec hub truy\u1ec1n t\u00edn hi\u1ec7u ra t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng, th\u00f4ng tin d\u1ec5 b\u1ecb \u0111\u00e1nh c\u1eafp. Trong khi \u0111\u00f3, switch ch\u1ec9 g\u1eedi g\u00f3i tin \u0111\u1ebfn thi\u1ebft b\u1ecb nh\u1eadn th\u00edch h\u1ee3p, t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t:<\/strong> Switch c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n hub v\u00ec n\u00f3 ch\u1ec9 truy\u1ec1n d\u1eef li\u1ec7u \u0111\u1ebfn thi\u1ebft b\u1ecb nh\u1eadn th\u00edch h\u1ee3p, gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng tr\u00ean m\u1ea1ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"8_Uu_diem_cua_Hub\"><\/span>8. \u01afu \u0111i\u1ec3m c\u1ee7a Hub.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1eb7c d\u00f9 switch \u0111\u00e3 ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ea1ng LAN hi\u1ec7n \u0111\u1ea1i, hub v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m:<\/p>\n<ul>\n<li><strong>Gi\u00e1 th\u00e0nh:<\/strong> Hub th\u01b0\u1eddng c\u00f3 gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n switch, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ea1ng nh\u1ecf ho\u1eb7c ng\u00e2n s\u00e1ch h\u1ea1n ch\u1ebf.<\/li>\n<li><strong>D\u1ec5 s\u1eed d\u1ee5ng:<\/strong> V\u1edbi hub, vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb v\u00e0o m\u1ea1ng LAN tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p.<\/li>\n<li><strong>T\u01b0\u01a1ng th\u00edch:<\/strong> Hub t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt cao \u0111\u1ec3 c\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"9_Tang_mien_phi_bo_Plugin_359_giup_toi_uu_SEO_website\"><\/span>9. T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 Plugin 359$ gi\u00fap t\u1ed1i \u01b0u SEO website.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ch\u00fang t\u00f4i r\u1ea5t vui \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o r\u1eb1ng ch\u00fang t\u00f4i \u0111ang t\u1eb7ng mi\u1ec5n ph\u00ed m\u1ed9t b\u1ed9 Plugin tr\u1ecb gi\u00e1 359$ \u0111\u1ec3 gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a SEO cho website c\u1ee7a m\u00ecnh. B\u1ed9 Plugin n\u00e0y cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 x\u1ebfp h\u1ea1ng c\u1ee7a trang web tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm.<\/p>\n<p>B\u1ed9 Plugin bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng nh\u01b0:<\/p>\n<ul>\n<li>T\u1ed1i \u01b0u h\u00f3a t\u1eeb kh\u00f3a: Gi\u00fap b\u1ea1n t\u00ecm ki\u1ebfm v\u00e0 s\u1eed d\u1ee5ng t\u1eeb kh\u00f3a ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u1ea3i thi\u1ec7n v\u1ecb tr\u00ed c\u1ee7a trang web trong k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/li>\n<li>T\u1ea1o li\u00ean k\u1ebft: Cho ph\u00e9p b\u1ea1n qu\u1ea3n l\u00fd v\u00e0 x\u00e2y d\u1ef1ng li\u00ean k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 tham gia v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a trang web.<\/li>\n<li>Theo d\u00f5i hi\u1ec7u su\u1ea5t: Cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 l\u01b0u l\u01b0\u1ee3ng, th\u1eddi gian t\u1ea3i trang, v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t c\u1ee7a trang web.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"10_Cac_tim_kiem_lien_quan_den_chu_de_hub\"><\/span>10. C\u00e1c t\u00ecm ki\u1ebfm li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 &#8220;hub&#8221;.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u1eeb kh\u00f3a li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 &#8220;hub&#8221; m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin:<\/p>\n<ul>\n<li>Hub v\u00e0 switch kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n<li>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng hub trong m\u1ea1ng LAN?<\/li>\n<li>C\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng hub trong m\u1ea1ng LAN.<\/li>\n<li>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a hub.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, m\u1ed9t hub l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u gi\u1eefa ch\u00fang. N\u00f3 gi\u00fap t\u1ea1o ra m\u1ea1ng LAN hi\u1ec7u qu\u1ea3 v\u00e0 thu\u1eadn ti\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng. Hub l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng m\u1ea1ng th\u00f4ng tin hi\u1ec7n \u0111\u1ea1i.<br \/>\n<iframe loading=\"lazy\" title=\"HUB L\u00c0 G\u00cc? CH\u1ee8C N\u0102NG C\u1ee6A HUB? S\u1ef0 KH\u00c1C BI\u1ec6T GI\u1eeeA HUB V\u00c0 SWITCH? GI\u1ea2I TH\u00cdCH H\u1ed8\" width=\"790\" height=\"444\" src=\"https:\/\/www.youtube.com\/embed\/bPXiY3SL1FU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hub l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m &#8220;hub&#8221; &#8211; m\u1ed9t trung t\u00e2m hay \u0111i\u1ec3m n\u1ed1i, n\u01a1i c\u00e1c th\u00f4ng tin, d\u1ecbch v\u1ee5 ho\u1eb7c ngu\u1ed3n l\u1ef1c \u0111\u01b0\u1ee3c t\u1eadp&#8230; <\/p>\n","protected":false},"author":1,"featured_media":27994,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-27995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/27995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=27995"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/27995\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/27994"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=27995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=27995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=27995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}