{"id":123784,"date":"2025-04-02T18:52:37","date_gmt":"2025-04-02T11:52:37","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=123784"},"modified":"2025-04-02T18:52:40","modified_gmt":"2025-04-02T11:52:40","slug":"bang-thong-la-gi","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/","title":{"rendered":"B\u0103ng th\u00f4ng l\u00e0 g\u00ec? B\u0103ng th\u00f4ng bao nhi\u00eau l\u00e0 m\u1ea1nh? C\u00e1ch kh\u1eafc ph\u1ee5c khi b\u1ecb b\u00f3p b\u0103ng th\u00f4ng"},"content":{"rendered":"\n<p>B\u0103ng th\u00f4ng l\u00e0 1 trong nh\u1eefng \u0111i\u1ec1u \u1ea3nh h\u01b0\u1edbng \u0111\u1ebfn \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee7a b\u1ea1n. Ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng tr\u1ea3i qua c\u1ea3m gi\u00e1c b\u1ef1c b\u1ed9i khi \u0111ang xem b\u1ed9 phim y\u00eau th\u00edch th\u00ec b\u1ecb \u0111\u1ee9ng h\u00ecnh, ho\u1eb7c khi \u0111ang chi\u1ebfn game online th\u00ec b\u1ecb lag. Th\u1eadm ch\u00ed, nh\u1eefng c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y nh\u01b0 g\u1eedi email hay t\u1ea3i t\u00e0i li\u1ec7u c\u0169ng tr\u1edf n\u00ean ch\u1eadm \u0111\u1ebfn kh\u00f3 ch\u1ecbu. <\/p>\n\n\n\n<p>V\u1eady b\u0103ng th\u00f4ng l\u00e0 g\u00ec m\u00e0 l\u1ea1i c\u00f3 s\u1ee9c \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn c\u1ee7a ch\u00fang ta \u0111\u1ebfn v\u1eady? V\u00e0 n\u1ebfu ch\u1eb3ng may b\u1ea1n nghi ng\u1edd m\u00ecnh \u0111ang b\u1ecb b\u00f3p b\u0103ng th\u00f4ng, th\u00ec ph\u1ea3i l\u00e0m sao? H\u00e3y c\u00f9ng <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed m\u1eadt \u0111\u1eb1ng sau s\u1ee9c m\u1ea1nh c\u1ee7a b\u0103ng th\u00f4ng trong b\u00e0i vi\u1ebft n\u00e0y nh\u00e9!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/wifi-2-4ghz-va-5ghz-cai-nao-tot-hon\/?srsltid=AfmBOooMwgHf5Icqk7BODVuye3aoFzfHDAXFR37ycpWsLy3H69xl4nHe\" target=\"_blank\" rel=\"noreferrer noopener\">Wifi 2.4ghz v\u00e0 5ghz: C\u00e1ch nh\u1eadn bi\u1ebft, so s\u00e1nh, n\u00ean d\u00f9ng lo\u1ea1i n\u00e0o?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/kiem-tra-toc-do-mang-dang-su-dung\/?srsltid=AfmBOooJOF4ExgezpskqKR89oA5rygtTc3KXhMg6DMA6ALChrFx_ifWa\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 m\u1ea1ng \u0111ang s\u1eed d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t!<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-thay-doi-dns-de-dang\/?srsltid=AfmBOopyZm2qvaPZtExohL1ODmVOF0o-evcfHRy-UFnuLq38SH8Q4Gvy\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch thay \u0111\u1ed5i DNS d\u1ec5 d\u00e0ng \u0111\u1ec3 truy c\u1eadp web nhanh ch\u00f3ng h\u01a1n<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 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 \" >M\u1ee5c l\u1ee5c<\/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\" role=\"button\"><label for=\"item-6a2777d39eeb7\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg 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ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Tong_quan_ve_bang_thong_ban_can_biet\" title=\"T\u1ed5ng quan v\u1ec1 b\u0103ng th\u00f4ng b\u1ea1n c\u1ea7n bi\u1ebft\">T\u1ed5ng quan v\u1ec1 b\u0103ng th\u00f4ng b\u1ea1n c\u1ea7n bi\u1ebft<\/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:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Bang_thong_la_gi\" title=\"B\u0103ng th\u00f4ng l\u00e0 g\u00ec?\">B\u0103ng th\u00f4ng l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Bang_thong_rong_la_gi\" title=\"B\u0103ng th\u00f4ng r\u1ed9ng l\u00e0 g\u00ec?\">B\u0103ng th\u00f4ng r\u1ed9ng l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Bang_thong_wifi_la_gi\" title=\"B\u0103ng th\u00f4ng wifi l\u00e0 g\u00ec?\">B\u0103ng th\u00f4ng wifi l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Cong_thuc_tinh_bang_thong_don_gian\" title=\"C\u00f4ng th\u1ee9c t\u00ednh b\u0103ng th\u00f4ng \u0111\u01a1n gi\u1ea3n\">C\u00f4ng th\u1ee9c t\u00ednh b\u0103ng th\u00f4ng \u0111\u01a1n gi\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Cac_loai_bang_thong_thuong_gap_trong_mang_may_tinh\" title=\"C\u00e1c lo\u1ea1i b\u0103ng th\u00f4ng th\u01b0\u1eddng g\u1eb7p trong m\u1ea1ng m\u00e1y t\u00ednh\">C\u00e1c lo\u1ea1i b\u0103ng th\u00f4ng th\u01b0\u1eddng g\u1eb7p trong m\u1ea1ng m\u00e1y t\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Don_vi_do_luong_bang_thong\" title=\"\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng b\u0103ng th\u00f4ng\">\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng b\u0103ng th\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Huong_dan_khac_phuc_khi_bi_bop_bang_thong_nhanh_chong\" title=\"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb b\u00f3p b\u0103ng th\u00f4ng nhanh ch\u00f3ng\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb b\u00f3p b\u0103ng th\u00f4ng nhanh ch\u00f3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Huong_dan_khac_phuc_khi_bi_tre_bang_thong_chi_tiet\" title=\"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb tr\u1ec5 b\u0103ng th\u00f4ng chi ti\u1ebft\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb tr\u1ec5 b\u0103ng th\u00f4ng chi ti\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phongvu.vn\/cong-nghe\/bang-thong-la-gi\/#Tong_ket\" title=\"T\u1ed5ng k\u1ebft\">T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Tong_quan_ve_bang_thong_ban_can_biet\"><\/span><strong>T\u1ed5ng quan v\u1ec1 b\u0103ng th\u00f4ng b\u1ea1n c\u1ea7n bi\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Bang_thong_la_gi\"><\/span><strong>B\u0103ng th\u00f4ng l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u0103ng th\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1eddng d\u1eabn d\u1eef li\u1ec7u. N\u00f3 quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n qua k\u1ebft n\u1ed1i m\u1ea1ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 nh\u01b0 \u1ed1ng n\u01b0\u1edbc. \u0110\u01b0\u1eddng k\u00ednh \u1ed1ng c\u00e0ng l\u1edbn, l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y qua m\u1ed7i gi\u00e2y c\u00e0ng nhi\u1ec1u. T\u01b0\u01a1ng t\u1ef1, b\u0103ng th\u00f4ng l\u1edbn h\u01a1n cho ph\u00e9p truy\u1ec1n t\u1ea3i nhi\u1ec1u th\u00f4ng tin h\u01a1n trong c\u00f9ng m\u1ed9t th\u1eddi gian.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-1024x640.jpg\" alt=\"B\u0103ng th\u00f4ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i, quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u c\u1ee7a m\u1ed9t m\u1ea1ng \" class=\"wp-image-123787\" width=\"1024\" height=\"640\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-2.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u0103ng th\u00f4ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i, quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u c\u1ee7a m\u1ed9t m\u1ea1ng <\/figcaption><\/figure>\n\n\n\n<p>Tuy nhi\u00ean, c\u1ea7n nh\u1edb r\u1eb1ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1c \u0111\u1ed9 internet. B\u0103ng th\u00f4ng l\u00e0 dung l\u01b0\u1ee3ng t\u1ed1i \u0111a, c\u00f2n t\u1ed1c \u0111\u1ed9 internet l\u00e0 m\u1ee9c \u0111\u1ed9 nhanh ch\u00f3ng m\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i xu\u1ed1ng ho\u1eb7c t\u1ea3i l\u00ean. V\u00ed d\u1ee5, v\u00f2i n\u01b0\u1edbc r\u1ed9ng c\u00f3 th\u1ec3 cho nhi\u1ec1u n\u01b0\u1edbc ch\u1ea3y ra, nh\u01b0ng t\u1ed1c \u0111\u1ed9 ch\u1ea3y nhanh hay ch\u1eadm l\u1ea1i l\u00e0 v\u1ea5n \u0111\u1ec1 kh\u00e1c.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, h\u00e3y ph\u00e2n bi\u1ec7t v\u1edbi th\u00f4ng l\u01b0\u1ee3ng. B\u0103ng th\u00f4ng l\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i t\u1ed1i \u0111a, c\u00f2n th\u00f4ng l\u01b0\u1ee3ng l\u00e0 l\u01b0\u1ee3ng d\u1eef li\u1ec7u th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c truy\u1ec1n th\u00e0nh c\u00f4ng. Th\u00f4ng l\u01b0\u1ee3ng th\u01b0\u1eddng th\u1ea5p h\u01a1n b\u0103ng th\u00f4ng do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 tr\u1ec5, t\u1ed1c \u0111\u1ed9 thi\u1ebft b\u1ecb, v\u00e0 t\u00ecnh tr\u1ea1ng m\u1ea5t g\u00f3i tin.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Bang_thong_rong_la_gi\"><\/span><strong>B\u0103ng th\u00f4ng r\u1ed9ng l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u0103ng th\u00f4ng r\u1ed9ng, hay c\u00f2n g\u1ecdi l\u00e0 internet t\u1ed1c \u0111\u1ed9 cao, l\u00e0 thu\u1eadt ng\u1eef ch\u1ec9 c\u00e1c k\u1ebft n\u1ed1i internet c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp internet v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/p>\n\n\n\n<p>B\u0103ng th\u00f4ng r\u1ed9ng \u0111\u01b0\u1ee3c cung c\u1ea5p qua nhi\u1ec1u c\u00f4ng ngh\u1ec7 nh\u01b0 DSL, c\u00e1p \u0111\u1ed3ng tr\u1ee5c, c\u00e1p quang, Wi-Fi v\u00e0 5G. T\u1ea5t c\u1ea3 \u0111\u1ec1u cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi dial-up.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-1024x640.jpg\" alt=\"B\u0103ng th\u00f4ng r\u1ed9ng \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00f4ng qua nhi\u1ec1u c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn t\u1ed1c \u0111\u1ed9 cao kh\u00e1c nhau\" class=\"wp-image-123788\" width=\"1024\" height=\"640\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-5.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u0103ng th\u00f4ng r\u1ed9ng \u0111\u01b0\u1ee3c cung c\u1ea5p th\u00f4ng qua nhi\u1ec1u c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn t\u1ed1c \u0111\u1ed9 cao kh\u00e1c nhau<\/figcaption><\/figure>\n\n\n\n<p>D\u00f9 li\u00ean quan m\u1eadt thi\u1ebft nh\u01b0ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 b\u0103ng th\u00f4ng. B\u0103ng th\u00f4ng l\u00e0 th\u01b0\u1edbc \u0111o dung l\u01b0\u1ee3ng, c\u00f2n b\u0103ng th\u00f4ng r\u1ed9ng l\u00e0 thu\u1eadt ng\u1eef m\u00f4 t\u1ea3 c\u00e1c k\u1ebft n\u1ed1i internet t\u1ed1c \u0111\u1ed9 cao, s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng l\u1edbn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 \u0111\u00f3. V\u1edbi ng\u01b0\u1eddi d\u00f9ng th\u00f4ng th\u01b0\u1eddng, b\u0103ng th\u00f4ng r\u1ed9ng \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t k\u1ebft n\u1ed1i internet \u0111\u1ee7 nhanh \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"Bang_thong_wifi_la_gi\"><\/span><strong>B\u0103ng th\u00f4ng wifi l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u0103ng th\u00f4ng Wi-Fi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a m\u1ea1ng kh\u00f4ng d\u00e2y. N\u00f3 quy\u1ebft \u0111\u1ecbnh l\u01b0\u1ee3ng th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n qua internet kh\u00f4ng d\u00e2y trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. B\u0103ng th\u00f4ng Wi-Fi cao h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn m\u01b0\u1ee3t m\u00e0 h\u01a1n cho c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-1024x640.jpg\" alt=\"B\u0103ng th\u00f4ng c\u1ee7a k\u1ebft n\u1ed1i Wi-Fi ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 ti\u00eau chu\u1ea9n Wi-Fi m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3\" class=\"wp-image-123790\" width=\"1024\" height=\"640\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-4.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">B\u0103ng th\u00f4ng c\u1ee7a k\u1ebft n\u1ed1i Wi-Fi ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 ti\u00eau chu\u1ea9n Wi-Fi m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3<\/figcaption><\/figure>\n\n\n\n<p>B\u0103ng th\u00f4ng Wi-Fi ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 ti\u00eau chu\u1ea9n Wi-Fi m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3 (v\u00ed d\u1ee5: 802.11n, ac, ax). C\u00e1c b\u0103ng t\u1ea7n t\u1ea7n s\u1ed1 Wi-Fi kh\u00e1c nhau (2.4 GHz, 5 GHz, 6 GHz) c\u0169ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng, 5 GHz nhanh h\u01a1n nh\u01b0ng ph\u1ea1m vi ng\u1eafn h\u01a1n 2.4 GHz. 6 GHz l\u00e0 b\u0103ng t\u1ea7n m\u1edbi nh\u1ea5t, h\u1ee9a h\u1eb9n t\u1ed1c \u0111\u1ed9 si\u00eau nhanh nh\u01b0ng ph\u1ea1m vi c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf h\u01a1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u0103ng t\u1ea7n ph\u00f9 h\u1ee3p \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn b\u0103ng th\u00f4ng v\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cong_thuc_tinh_bang_thong_don_gian\"><\/span><strong>C\u00f4ng th\u1ee9c t\u00ednh b\u0103ng th\u00f4ng \u0111\u01a1n gi\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t c\u00e1ch th\u1ef1c t\u1ebf l\u00e0 xem x\u00e9t y\u00eau c\u1ea7u b\u0103ng th\u00f4ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea1n th\u01b0\u1eddng xuy\u00ean th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi v\u00e0 nh\u00e2n v\u1edbi s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean xem video HD, g\u1ecdi video v\u00e0 c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb online c\u00f9ng l\u00fac, b\u1ea1n c\u1ea7n t\u1ed5ng b\u0103ng th\u00f4ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c nhu c\u1ea7u n\u00e0y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-1024x640.jpg\" alt=\"M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn th\u1ef1c t\u1ebf \u0111\u1ec3 \u01b0\u1edbc t\u00ednh nhu c\u1ea7u b\u0103ng th\u00f4ng l\u00e0 xem x\u00e9t y\u00eau c\u1ea7u b\u0103ng th\u00f4ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng\" class=\"wp-image-123789\" width=\"1024\" height=\"640\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3-1344x840.jpg 1344w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/bang-thong-la-gi-3.jpg 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn th\u1ef1c t\u1ebf \u0111\u1ec3 \u01b0\u1edbc t\u00ednh nhu c\u1ea7u b\u0103ng th\u00f4ng l\u00e0 xem x\u00e9t y\u00eau c\u1ea7u c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng<\/figcaption><\/figure>\n\n\n\n<p>M\u1ed9t \u01b0\u1edbc t\u00ednh \u0111\u01a1n gi\u1ea3n cho gia \u0111\u00ecnh c\u00f3 th\u1ec3 l\u00e0: 3-5 Mbps cho m\u1ed7i thi\u1ebft b\u1ecb cho c\u00e1c t\u00e1c v\u1ee5 c\u01a1 b\u1ea3n (duy\u1ec7t web, email) v\u00e0 10-25 Mbps ho\u1eb7c h\u01a1n cho m\u1ed7i thi\u1ebft b\u1ecb cho c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng (xem video HD\/4K, g\u1ecdi video ch\u1ea5t l\u01b0\u1ee3ng cao, ch\u01a1i game online). C\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n b\u0103ng th\u00f4ng tr\u1ef1c tuy\u1ebfn c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u01b0\u1edbc t\u00ednh nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cac_loai_bang_thong_thuong_gap_trong_mang_may_tinh\"><\/span><strong>C\u00e1c lo\u1ea1i b\u0103ng th\u00f4ng th\u01b0\u1eddng g\u1eb7p trong m\u1ea1ng m\u00e1y t\u00ednh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong m\u1ea1ng m\u00e1y t\u00ednh, c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i b\u0103ng th\u00f4ng th\u01b0\u1eddng g\u1eb7p:<\/p>\n\n\n\n<ul>\n<li><strong>B\u0103ng th\u00f4ng chuy\u00ean d\u1ee5ng (Dedicated Bandwidth):<\/strong> Ph\u00e2n b\u1ed5 c\u1ed1 \u0111\u1ecbnh cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c d\u1ecbch v\u1ee5, \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nh\u01b0ng th\u01b0\u1eddng \u0111\u1eaft h\u01a1n.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng chia s\u1ebb (Shared Bandwidth):<\/strong> Ph\u00e2n ph\u1ed1i cho nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng tr\u00ean c\u00f9ng m\u1ea1ng, t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c s\u1eed d\u1ee5ng chung.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng \u0111\u1ed1i x\u1ee9ng (Symmetric Bandwidth):<\/strong> T\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean v\u00e0 t\u1ea3i xu\u1ed1ng b\u1eb1ng nhau, l\u00fd t\u01b0\u1edfng cho h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh, sao l\u01b0u \u0111\u00e1m m\u00e2y.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng (Asymmetric Bandwidth):<\/strong> T\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean v\u00e0 t\u1ea3i xu\u1ed1ng kh\u00e1c nhau (th\u01b0\u1eddng t\u1ea3i xu\u1ed1ng nhanh h\u01a1n), ph\u1ed5 bi\u1ebfn cho internet gia \u0111\u00ecnh.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng t\u1ea3i l\u00ean (Upload Bandwidth):<\/strong> Dung l\u01b0\u1ee3ng g\u1eedi d\u1eef li\u1ec7u t\u1eeb thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n l\u00ean internet.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng t\u1ea3i xu\u1ed1ng (Download Bandwidth):<\/strong> Dung l\u01b0\u1ee3ng nh\u1eadn d\u1eef li\u1ec7u t\u1eeb internet v\u1ec1 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Don_vi_do_luong_bang_thong\"><\/span><strong>\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng b\u0103ng th\u00f4ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng <strong>bit tr\u00ean gi\u00e2y (bps)<\/strong> v\u00e0 c\u00e1c b\u1ed9i s\u1ed1:<\/p>\n\n\n\n<ul>\n<li><strong>Kilobit tr\u00ean gi\u00e2y (Kbps):<\/strong> 1 Kbps = 1.000 bps, th\u01b0\u1eddng cho k\u1ebft n\u1ed1i b\u0103ng th\u00f4ng th\u1ea5p.<\/li>\n\n\n\n<li><strong>Megabit tr\u00ean gi\u00e2y (Mbps):<\/strong> 1 Mbps = 1.000 Kbps = 1.000.000 bps, ph\u1ed5 bi\u1ebfn nh\u1ea5t cho t\u1ed1c \u0111\u1ed9 internet d\u00e2n d\u1ee5ng.<\/li>\n\n\n\n<li><strong>Gigabit tr\u00ean gi\u00e2y (Gbps):<\/strong> 1 Gbps = 1.000 Mbps = 1.000.000.000 bps, cho k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 r\u1ea5t cao (c\u00e1p quang).<\/li>\n\n\n\n<li><strong>Terabit tr\u00ean gi\u00e2y (Tbps):<\/strong> 1 Tbps = 1.000 Gbps, cho m\u1ea1ng c\u00f3 dung l\u01b0\u1ee3ng c\u1ef1c l\u1edbn.<\/li>\n<\/ul>\n\n\n\n<p>L\u01b0u \u00fd s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <strong>bit (b)<\/strong> v\u00e0 <strong>byte (B)<\/strong>. 1 byte = 8 bit. T\u1ed1c \u0111\u1ed9 internet th\u01b0\u1eddng qu\u1ea3ng c\u00e1o b\u1eb1ng bit\/s, c\u00f2n k\u00edch th\u01b0\u1edbc t\u1ec7p tin \u0111o b\u1eb1ng byte. T\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng th\u1ef1c t\u1ebf (byte\/s) b\u1eb1ng t\u1ed1c \u0111\u1ed9 internet (bit\/s) chia cho 8.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Huong_dan_khac_phuc_khi_bi_bop_bang_thong_nhanh_chong\"><\/span><strong>H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb b\u00f3p b\u0103ng th\u00f4ng nhanh ch\u00f3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi nghi ng\u1edd b\u1ecb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) b\u00f3p b\u0103ng th\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n<ol>\n<li><strong>Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 internet:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 so s\u00e1nh t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf v\u1edbi g\u00f3i c\u01b0\u1edbc b\u1ea1n \u0111\u00e3 \u0111\u0103ng k\u00fd.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng VPN:<\/strong> K\u1ebft n\u1ed1i VPN v\u00e0 ki\u1ec3m tra l\u1ea1i t\u1ed1c \u0111\u1ed9. N\u1ebfu t\u1ed1c \u0111\u1ed9 c\u1ea3i thi\u1ec7n, c\u00f3 th\u1ec3 ISP \u0111ang b\u00f3p b\u0103ng th\u00f4ng d\u1ef1a tr\u00ean ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li><strong>Theo d\u00f5i m\u1ee9c s\u1eed d\u1ee5ng d\u1eef li\u1ec7u:<\/strong> Ki\u1ec3m tra t\u00e0i kho\u1ea3n ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ee7a ISP \u0111\u1ec3 xem b\u1ea1n c\u00f3 g\u1ea7n \u0111\u1ea1t ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n d\u1eef li\u1ec7u h\u00e0ng th\u00e1ng hay kh\u00f4ng.<\/li>\n\n\n\n<li><strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i modem v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn:<\/strong> T\u1eaft c\u1ea3 hai thi\u1ebft b\u1ecb kho\u1ea3ng 30 gi\u00e2y r\u1ed3i b\u1eadt l\u1ea1i.<\/li>\n\n\n\n<li><strong>\u0110\u00f3ng \u1ee9ng d\u1ee5ng v\u00e0 tab tr\u00ecnh duy\u1ec7t kh\u00f4ng d\u00f9ng:<\/strong> C\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea1y n\u1ec1n c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng.<\/li>\n\n\n\n<li><strong>Th\u1eed k\u1ebft n\u1ed1i c\u00f3 d\u00e2y:<\/strong> N\u1ebfu \u0111ang d\u00f9ng Wi-Fi, h\u00e3y th\u1eed k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u00e1p Ethernet \u0111\u1ec3 lo\u1ea1i tr\u1eeb v\u1ea5n \u0111\u1ec1 t\u1eeb m\u1ea1ng kh\u00f4ng d\u00e2y.<\/li>\n<\/ol>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Huong_dan_khac_phuc_khi_bi_tre_bang_thong_chi_tiet\"><\/span><strong>H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c khi b\u1ecb tr\u1ec5 b\u0103ng th\u00f4ng chi ti\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00ecnh tr\u1ea1ng tr\u1ec5 b\u0103ng th\u00f4ng (latency) c\u00f3 th\u1ec3 do nhi\u1ec1u nguy\u00ean nh\u00e2n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc chi ti\u1ebft \u0111\u1ec3 kh\u1eafc ph\u1ee5c:<\/p>\n\n\n\n<p><strong>X\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n ti\u1ec1m \u1ea9n:<\/strong><\/p>\n\n\n\n<ul>\n<li>Ngh\u1ebdn m\u1ea1ng (qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng d\u00f9ng).<\/li>\n\n\n\n<li>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn\/modem l\u1ed7i th\u1eddi.<\/li>\n\n\n\n<li>T\u00edn hi\u1ec7u Wi-Fi k\u00e9m (kho\u1ea3ng c\u00e1ch, v\u1eadt c\u1ea3n, nhi\u1ec5u).<\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn m\u00e1y ch\u1ee7.<\/li>\n\n\n\n<li>Qu\u00e1 nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111ang ch\u1ea1y.<\/li>\n\n\n\n<li>Nhi\u1ec5m ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/li>\n\n\n\n<li>S\u1ef1 c\u1ed1 c\u1ee7a ISP.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 chi ti\u1ebft:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a m\u1ea1ng Wi-Fi:<\/strong>\n<ul>\n<li>\u0110\u1eb7t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u1edf v\u1ecb tr\u00ed trung t\u00e2m, cao, tho\u00e1ng, tr\u00e1nh v\u1eadt c\u1ea3n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed g\u00e2y nhi\u1ec5u.<\/li>\n\n\n\n<li>C\u00e2n nh\u1eafc d\u00f9ng b\u1ed9 m\u1edf r\u1ed9ng Wi-Fi n\u1ebfu nh\u00e0 r\u1ed9ng ho\u1eb7c t\u00edn hi\u1ec7u y\u1ebfu.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng b\u0103ng t\u1ea7n 5 GHz n\u1ebfu router v\u00e0 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>N\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb:<\/strong> N\u1ebfu router\/modem c\u0169, h\u00e3y c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p \u0111\u1ec3 h\u1ed7 tr\u1ee3 chu\u1ea9n Wi-Fi m\u1edbi v\u00e0 t\u1ed1c \u0111\u1ed9 internet c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n<li><strong>Qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i:<\/strong> Ng\u1eaft k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb kh\u00f4ng d\u00f9ng \u0111\u1ec3 gi\u1ea3m ngh\u1ebdn m\u1ea1ng.<\/li>\n\n\n\n<li><strong>\u0110\u00f3ng \u1ee9ng d\u1ee5ng kh\u00f4ng c\u1ea7n thi\u1ebft:<\/strong> Ki\u1ec3m tra v\u00e0 \u0111\u00f3ng c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea1y ng\u1ea7m.<\/li>\n\n\n\n<li><strong>Qu\u00e9t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i:<\/strong> Ch\u1ea1y qu\u00e9t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng b\u1eb1ng ph\u1ea7n m\u1ec1m di\u1ec7t virus uy t\u00edn.<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra g\u00f3i c\u01b0\u1edbc internet:<\/strong> \u0110\u1ea3m b\u1ea3o g\u00f3i c\u01b0\u1edbc hi\u1ec7n t\u1ea1i \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n. N\u1ebfu th\u01b0\u1eddng xuy\u00ean ch\u1eadm, c\u00f3 th\u1ec3 c\u1ea7n n\u00e2ng c\u1ea5p.<\/li>\n\n\n\n<li><strong>Li\u00ean h\u1ec7 v\u1edbi ISP:<\/strong> N\u1ebfu \u0111\u00e3 th\u1eed h\u1ebft c\u00e1ch m\u00e0 v\u1eabn ch\u1eadm, c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi d\u1ecbch v\u1ee5 c\u1ee7a ISP trong khu v\u1ef1c b\u1ea1n.<\/li>\n\n\n\n<li><strong>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng CDN (cho ch\u1ee7 s\u1edf h\u1eefu trang web):<\/strong> N\u1ebfu g\u1eb7p tr\u1ec5 khi truy c\u1eadp web c\u1ee5 th\u1ec3, \u0111\u1eb7c bi\u1ec7t l\u00e0 web \u1edf xa, CDN c\u00f3 th\u1ec3 gi\u00fap b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef n\u1ed9i dung tr\u00ean m\u00e1y ch\u1ee7 g\u1ea7n b\u1ea1n h\u01a1n.<\/li>\n<\/ol>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><strong>T\u1ed5ng k\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u0103ng th\u00f4ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t cho tr\u1ea3i nghi\u1ec7m internet. Hi\u1ec3u r\u00f5 v\u1ec1 n\u00f3 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng internet hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 bi\u1ebft c\u00e1ch x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u0103ng th\u00f4ng l\u00e0 1 trong nh\u1eefng \u0111i\u1ec1u \u1ea3nh h\u01b0\u1edbng \u0111\u1ebfn \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee7a b\u1ea1n. Ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u00e3 t\u1eebng tr\u1ea3i qua c\u1ea3m gi\u00e1c b\u1ef1c b\u1ed9i khi \u0111ang xem b\u1ed9 phim y\u00eau th\u00edch th\u00ec b\u1ecb \u0111\u1ee9ng h\u00ecnh, ho\u1eb7c khi \u0111ang chi\u1ebfn game online th\u00ec b\u1ecb lag. Th\u1eadm ch\u00ed, nh\u1eefng c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y nh\u01b0 g\u1eedi email [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":123786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/123784"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=123784"}],"version-history":[{"count":3,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/123784\/revisions"}],"predecessor-version":[{"id":126062,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/123784\/revisions\/126062"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/123786"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=123784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=123784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=123784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}