{"id":5816,"date":"2018-04-20T08:43:01","date_gmt":"2018-04-20T08:43:01","guid":{"rendered":"https:\/\/vinacap.vn\/?post_type=tin-tuc&p=5816"},"modified":"2023-06-13T03:37:15","modified_gmt":"2023-06-13T03:37:15","slug":"tai-sao-mang-day-ethernet-lai-tot-hon-wifi","status":"publish","type":"tin-tuc","link":"https:\/\/vinacap.vn\/zh\/archives\/tin-tuc\/tai-sao-mang-day-ethernet-lai-tot-hon-wifi","title":{"rendered":"T\u1ea0I SAO M\u1ea0NG D\u00c2Y (ETHERNET) L\u1ea0I T\u1ed0T H\u01a0N WIFI?"},"content":{"rendered":"

Wifi hi\u1ec3n nhi\u00ean l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ti\u1ec7n l\u1ee3i h\u01a1n nhi\u1ec1u so v\u1edbi nh\u1eefng s\u1ee3i c\u00e1p Ethernet lo\u1eb1ng ngo\u1eb1ng. V\u1eady nh\u01b0ng cho \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i, m\u1ea1ng d\u00e2y Ethernet v\u1eabn c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi m\u1ea1ng kh\u00f4ng d\u00e2y Wifi.<\/strong><\/p>\n

\"\"<\/p>\n

Trong th\u1eddi \u0111\u1ea1i smartphone, r\u00f5 r\u00e0ng b\u1ea1n s\u1ebd ch\u1eb3ng c\u1ea7n c\u1eafm s\u1ee3i d\u00e2y m\u1ea1ng n\u00e0o v\u00e0o \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 c\u00f3 th\u1ec3 truy c\u1eadp Internet. Tuy nhi\u00ean, v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng c\u1ed7 m\u00e1y ch\u01a1i game, hay nh\u1eefng d\u00e0n PC ph\u1ee5c v\u1ee5 gi\u1ea3i tr\u00ed \u0111a ph\u01b0\u01a1ng ti\u1ec7n, c\u00e1c thi\u1ebft b\u1ecb backup, \u0111\u1ea7u thu k\u0129 thu\u1eadt s\u1ed1… th\u00ec m\u1ea1ng d\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn kh\u00f4ng th\u1ec3 t\u1eeb ch\u1ed1i. D\u01b0\u1edbi \u0111\u00e2y, VnReview s\u1ebd c\u00f9ng b\u1ea1n \u0111i\u1ec3m qua 3 \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a m\u1ea1ng d\u00e2y Ethernet so v\u1edbi Wifi: t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 tr\u1ec5 th\u1ea5p, v\u00e0 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>\n

Ethernet nhanh h\u01a1n Wifi bao nhi\u00eau?<\/strong><\/p>\n

 <\/p>\n

\u0110\u00fang l\u00e0 Ethernet nhanh h\u01a1n Wifi, v\u00e0 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o c\u00f3 th\u1ec3 gi\u00fap Wifi b\u1eaft k\u1ecbp t\u1ed1c \u0111\u1ed9 c\u1ee7a Ethernet. Tuy nhi\u00ean tr\u00ean th\u1ef1c t\u1ebf, kho\u1ea3ng c\u00e1ch n\u00e0y l\u00e0 nh\u1ecf h\u01a1n b\u1ea1n ngh\u0129. Nh\u1edd c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 802.11ac v\u00e0 802.11n, v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a l\u1ea7n l\u01b0\u1ee3t \u0111\u1ea1t 866.7Mb\/s v\u00e0 150Mb\/s, Wifi ng\u00e0y c\u00e0ng b\u00e1m \u0111u\u1ed5i quy\u1ebft li\u1ec7t h\u01a1n. D\u00f9 cho con s\u1ed1 n\u00e0y c\u00f3 h\u01a1i \u1ea3o t\u01b0\u1edfng ngo\u00e0i \u0111\u1eddi th\u1ef1c, th\u00ec Wifi v\u1eabn \u0111\u1ee7 t\u1ed1t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ecdi nhu c\u1ea7u th\u01b0\u1eddng ng\u00e0y c\u1ee7a b\u1ea1n.<\/p>\n

Ethernet, m\u1eb7t kh\u00e1c, c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 10Gb\/s n\u1ebfu d\u00f9ng lo\u1ea1i c\u00e1p Cat6. T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a m\u1ea1ng Ethernet ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i c\u00e1p b\u1ea1n d\u00f9ng; tuy nhi\u00ean, ch\u1ec9 c\u1ea7n lo\u1ea1i c\u00e1p Cat5e c\u0169ng \u0111\u00e3 cho t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 1Gb\/s, v\u00e0 t\u1ed1c \u0111\u1ed9 n\u00e0y r\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u1ee9 kh\u00f4ng v\u1eadt v\u1edd nh\u01b0 Wifi.<\/a><\/p>\n

C\u1ea7n ch\u00fa \u00fd l\u00e0, t\u1ed1c \u0111\u1ed9 Internet c\u1ee7a b\u1ea1n gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e1i c\u1ed5 chai, t\u1ee9c l\u00e0 n\u1ebfu t\u1ed1c \u0111\u1ed9 Internet th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ea5t k\u00ec lo\u1ea1i k\u1ebft n\u1ed1i n\u00e0o b\u1ea1n \u0111ang d\u00f9ng, th\u00ec vi\u1ec7c t\u0103ng t\u1ed1c k\u1ebft n\u1ed1i \u0111\u00f3 l\u00ean bao nhi\u00eau c\u0169ng v\u00f4 ngh\u0129a.<\/p>\n

\"\"<\/p>\n

Ethernet \u1ea3nh h\u01b0\u1edfng l\u00ean t\u1ed1c \u0111\u1ed9 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb trong m\u1ed9t m\u1ea1ng. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n mu\u1ed1n chuy\u1ec3n file nhanh nh\u1ea5t c\u00f3 th\u1ec3 gi\u1eefa hai m\u00e1y t\u00ednh trong nh\u00e0, th\u00ec d\u00f9ng m\u1ea1ng d\u00e2y s\u1ebd nhanh h\u01a1n Wifi. L\u00fac \u0111\u00f3, k\u1ebft n\u1ed1i Internet kh\u00f4ng tham gia v\u00e0o qu\u00e1 tr\u00ecnh chuy\u1ec3n t\u1ea3i, n\u00ean b\u1ea1n s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 ph\u1ea7n c\u1ee9ng m\u1ea1ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 cung c\u1ea5p.<\/p>\n

M\u1ed9t v\u00e0i v\u00ed d\u1ee5 r\u00f5 h\u01a1n v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y:<\/p>\n

– N\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111ang backup v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng NAS, m\u00e1y ch\u1ee7 backup, hay m\u1ed9t \u1ed5 c\u1ee9ng chia s\u1ebb chung, th\u00ec qu\u00e1 tr\u00ecnh backup s\u1ebd nhanh h\u01a1n n\u1ebfu d\u00f9ng Ethernet.<\/p>\n

– N\u1ebfu b\u1ea1n \u0111ang stream t\u1eeb m\u00e1y ch\u1ee7 media (nh\u01b0 Plex hay Kodi) th\u00ec Ethernet s\u1ebd cho t\u1ed1c \u0111\u1ed9 nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n nhi\u1ec1u.<\/p>\n

Ethernet c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

T\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o “\u0111\u1ed9 tr\u1ec5”. \u0110\u1ed9 tr\u1ec5 l\u00e0 kho\u1ea3ng delay khi d\u1eef li\u1ec7u truy\u1ec1n t\u1eeb thi\u1ebft b\u1ecb \u0111\u1ebfn \u0111\u00edch; gamer th\u01b0\u1eddng g\u1ecdi n\u00f3 l\u00e0 ping.<\/p>\n

N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t gamer ch\u01a1i game online, b\u1ea1n s\u1ebd ph\u1ea3i t\u00ecm c\u00e1ch gi\u1ea3m t\u1ed1i \u0111a \u0111\u1ed9 tr\u1ec5. \u0110\u00e2y l\u00e0 l\u00fac m\u1ea1ng d\u00e2y Ethernet ph\u00e1t huy t\u00e1c d\u1ee5ng.<\/p>\n

C\u00f2n n\u1ebfu b\u1ea1n ch\u1ec9 xem video hay nghe nh\u1ea1c, l\u01b0\u1edbt web, \u0111\u00e2y ch\u1eb3ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng quan t\u00e2m m\u1ea5y.<\/p>\n

N\u1ebfu t\u00f2 m\u00f2 th\u00ec b\u1ea1n c\u00f3 th\u1ec3 test \u0111\u1ed9 tr\u1ec5 b\u1eb1ng l\u1ec7nh “Ping” trong Command Prompt c\u1ee7a Windows hay Terminal tr\u00ean Linux v\u00e0 Mac. B\u1ea1n s\u1ebd th\u1ea5y, n\u1ebfu d\u00f9ng Wifi, \u0111\u1ed9 tr\u1ec5 s\u1ebd cao h\u01a1n m\u1ed9t ch\u00fat b\u1edfi t\u00edn hi\u1ec7u ph\u1ea3i \u0111i qua \u0111i l\u1ea1i gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 router. V\u1edbi m\u1ea1ng Ethernet, \u0111\u1ed9 tr\u1ec5 t\u1ea5t nhi\u00ean th\u1ea5p h\u01a1n nhi\u1ec1u l\u1ea7n.<\/p>\n

\"\"T\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady c\u1ee7a m\u1ea1ng Ethernet so v\u1edbi Wifi.<\/strong><\/p>\n

Ethernet cho k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady h\u01a1n so v\u1edbi Wifi, \u0111\u00f3 l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 b\u00e0n c\u00e3i.<\/p>\n

M\u1ea1ng Wifi ch\u1eafc ch\u1eafn b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u th\u1ee9 h\u01a1n so v\u1edbi m\u1ea1ng d\u00e2y. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 k\u1ebft c\u1ea5u nh\u00e0, v\u1eadt c\u1ea3n s\u00f3ng, t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb, hay th\u1eadm ch\u00ed l\u00e0 s\u00f3ng Wifi c\u1ee7a \u00f4ng h\u00e0ng x\u00f3m – t\u1ea5t c\u1ea3 \u0111\u1ec1u khi\u1ebfn m\u1ea1ng Wifi tr\u1edf n\u00ean b\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 gi\u1ea3m \u0111\u1ed9 tin c\u1eady, \u0111\u1ed3ng th\u1eddi g\u00e2y ra kha kh\u00e1 v\u1ea5n \u0111\u1ec1 t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn:<\/p>\n

– M\u1ea5t t\u00edn hi\u1ec7u: th\u1ec9nh tho\u1ea3ng b\u1ea1n s\u1ebd b\u1ecb “r\u1edbt m\u1ea1ng” m\u00e0 ph\u1ea3i k\u1ebft n\u1ed1i l\u1ea1i. \u0110\u00e2y ch\u1eb3ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 to t\u00e1t g\u00ec n\u1ebfu b\u1ea1n l\u01b0\u1edbt web hay xem phim, b\u1edfi k\u1ebft n\u1ed1i l\u1ea1i c\u0169ng ch\u1ec9 m\u1ea5t v\u00e0i gi\u00e2y. Tuy nhi\u00ean th\u1eed t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang trong m\u1ed9t tr\u1eadn \u0111\u1ea5u Li\u00ean minh huy\u1ec1n tho\u1ea1i v\u00e0… m\u1ea5t m\u1ea1ng. Ch\u1eafc h\u1eb3n s\u1ebd g\u00e2y \u1ee9c ch\u1ebf cho nhi\u1ec1u game th\u1ee7.<\/p>\n

– \u0110\u1ed9 tr\u1ec5 cao: c\u00e0ng nhi\u1ec1u v\u1eadt t\u00e1c \u0111\u1ed9ng, \u0111\u1ed9 tr\u1ec5 m\u1ea1ng c\u00e0ng cao.<\/p>\n

– T\u1ed1c \u0111\u1ed9 gi\u1ea3m: c\u00e0ng nhi\u1ec1u v\u1eadt t\u00e1c \u0111\u1ed9ng, ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u Wifi c\u00e0ng k\u00e9m, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 gi\u1ea3m theo.<\/p>\n

V\u1eady d\u00f9ng Ethernet th\u00ec \u0111\u01b0\u1ee3c l\u1ee3i g\u00ec?<\/strong><\/p>\n

B\u00e0i vi\u1ebft ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 \u00fd “d\u00ecm h\u00e0ng” Wifi, b\u1edfi d\u00f9 sao th\u00ec n\u00f3 c\u0169ng kh\u00e1 nhanh, kh\u00e1 ti\u1ec7n, v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u1ee7 nhu c\u1ea7u c\u1ee7a ph\u1ea7n l\u1edbn ng\u01b0\u1eddi d\u00f9ng. \u0110\u1eb7c bi\u1ec7t, n\u1ebfu b\u1ea1n d\u00f9ng smartphone (m\u00e0 ch\u1eafc ch\u1eafn l\u00e0 b\u1ea1n \u0111ang d\u00f9ng smartphone) th\u00ec Wifi l\u1ea1i tr\u1edf n\u00ean c\u1ef1c k\u00ec c\u1ea7n thi\u1ebft. Hay c\u00f3 nh\u1eefng l\u00fac b\u1ea1n “l\u1ef1c b\u1ea5t t\u00f2ng t\u00e2m” kh\u00f4ng th\u1ec3 “k\u1ebft duy\u00ean” c\u00f9ng Ethernet, c\u00f3 th\u1ec3 l\u00e0 do ho\u00e0n c\u1ea3nh kh\u00f4ng cho ph\u00e9p ch\u1ea1y m\u1ed9t \u0111\u01b0\u1eddng d\u00e2y c\u00e1p m\u1ea1ng \u0111\u1ebfn v\u1ecb tr\u00ed b\u1ea1n mong mu\u1ed1n…<\/p>\n

\u0110\u00f3 ch\u00ednh l\u00e0 l\u00fac Wifi v\u01b0\u1ee3t m\u1eb7t Ethernet: t\u00ednh ti\u1ec7n d\u1ee5ng c\u1ee7a n\u00f3 qu\u00e1 cao. N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean di chuy\u1ec3n v\u00e0 kh\u00f4ng mu\u1ed1n ph\u1ea3i mang theo d\u00e2y d\u1ee3 c\u1ed3ng k\u1ec1nh th\u00ec Wifi l\u00e0 l\u1ef1a ch\u1ecdn hi\u1ec3n nhi\u00ean.<\/p>","protected":false},"featured_media":5823,"parent":0,"menu_order":0,"template":"","tags":[],"category-news":[103],"class_list":["post-5816","tin-tuc","type-tin-tuc","status-publish","has-post-thumbnail","hentry","category-news-tin-cong-ty"],"acf":[],"_links":{"self":[{"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/tin-tuc\/5816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/tin-tuc"}],"about":[{"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/types\/tin-tuc"}],"version-history":[{"count":1,"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/tin-tuc\/5816\/revisions"}],"predecessor-version":[{"id":7555,"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/tin-tuc\/5816\/revisions\/7555"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/media\/5823"}],"wp:attachment":[{"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/media?parent=5816"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/tags?post=5816"},{"taxonomy":"category-news","embeddable":true,"href":"https:\/\/vinacap.vn\/zh\/wp-json\/wp\/v2\/category-news?post=5816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}