{"id":33302,"date":"2025-09-24T10:26:08","date_gmt":"2025-09-24T03:26:08","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=33302"},"modified":"2025-10-01T12:24:43","modified_gmt":"2025-10-01T05:24:43","slug":"presentation-layer-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/","title":{"rendered":"Presentation Layer l\u00e0 g\u00ec? Vai tr\u00f2 &#038; Ch\u1ee9c n\u0103ng T\u1ea7ng 6 trong OSI"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Presentation-Layer-la-gi\" >Presentation Layer l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Chuc-nang-cot-loi-cua-Presentation-Layer\" >Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a Presentation Layer<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ma-hoa-va-giai-ma-du-lieu\" >M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Nen-va-giai-nen-du-lieu\" >N\u00e9n v\u00e0 gi\u1ea3i n\u00e9n d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Chuyen-doi-va-chuan-hoa-dinh-dang-du-lieu\" >Chuy\u1ec3n \u0111\u1ed5i v\u00e0 chu\u1ea9n h\u00f3a \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Moi-quan-he-cua-Presentation-Layer-voi-Application-Layer-va-Session-Layer\" >M\u1ed1i quan h\u1ec7 c\u1ee7a Presentation Layer v\u1edbi Application Layer v\u00e0 Session Layer<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Moi-quan-he-voi-Application-Layer\" >M\u1ed1i quan h\u1ec7 v\u1edbi Application Layer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Moi-quan-he-voi-Session-Layer\" >M\u1ed1i quan h\u1ec7 v\u1edbi Session Layer<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Cac-Giao-thuc-va-Dinh-dang-du-lieu-thuong-gap-trong-Presentation-Layer\" >C\u00e1c Giao th\u1ee9c v\u00e0 \u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p trong Presentation Layer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ung-dung-thuc-te-cua-Presentation-Layer\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a Presentation Layer\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ung-dung-dinh-dang-va-chuyen-doi-du-lieu\" >\u1ee8ng d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ung-dung-ma-hoa-va-bao-mat\" >\u1ee8ng d\u1ee5ng m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ung-dung-nen-du-lieu\" >\u1ee8ng d\u1ee5ng n\u00e9n d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Ung-dung-ho-tro-giao-tiep-giua-cac-ung-dung\" >\u1ee8ng d\u1ee5ng h\u1ed7 tr\u1ee3 giao ti\u1ebfp gi\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Cac-cong-nghe-lien-quan-den-Presentation-Layer\" >C\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn Presentation Layer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#So-sanh-Presentation-Layer-voi-mo-hinh-TCPIP\" >So s\u00e1nh Presentation Layer v\u1edbi m\u00f4 h\u00ecnh TCP\/IP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Chuc-nang-xu-ly-du-lieu\" >Ch\u1ee9c n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Phan-tang-va-kien-truc\" >Ph\u00e2n t\u1ea7ng v\u00e0 ki\u1ebfn tr\u00fac<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Chuan-hoa-va-tinh-nhat-quan\" >Chu\u1ea9n h\u00f3a v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Muc-do-thuc-te-trien-khai\" >M\u1ee9c \u0111\u1ed9 th\u1ef1c t\u1ebf tri\u1ec3n khai<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Tinh-linh-hoat\" >T\u00ednh linh ho\u1ea1t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/#Tam-quan-trong-cua-Presentation-Layer-trong-ky-nguyen-so\" >T\u1ea7m quan tr\u1ecdng c\u1ee7a Presentation Layer trong k\u1ef7 nguy\u00ean s\u1ed1<\/a><\/li><\/ul><\/nav><\/div>\n<p>B\u1ea1n c\u00f3 bi\u1ebft \u0111i\u1ec1u g\u00ec khi\u1ebfn h\u00ecnh \u1ea3nh b\u1ea1n g\u1eedi t\u1eeb \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb \u0111\u00fang tr\u00ean m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi kh\u00e1c? Hay t\u1ea1i sao khi l\u01b0\u1edbt web, th\u00f4ng tin c\u1ee7a b\u1ea1n lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt? T\u1ea5t c\u1ea3 l\u00e0 nh\u1edd <strong>Presentation Layer<\/strong> \u2013 m\u1ed9t l\u1edbp trong <a href=\"https:\/\/interdata.vn\/blog\/mo-hinh-osi-la-gi\/\">m\u00f4 h\u00ecnh OSI<\/a>. B\u00e0i vi\u1ebft c\u1ee7a InterData s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i m\u00e3 <a href=\"https:\/\/interdata.vn\/blog\/presentation-layer-la-gi\/\"><strong>Presentation Layer l\u00e0 g\u00ec<\/strong><\/a> m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t, t\u1eeb vai tr\u00f2, ch\u1ee9c n\u0103ng, cho \u0111\u1ebfn nh\u1eefng \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf m\u00e0 b\u1ea1n th\u1ea5y h\u00e0ng ng\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Presentation-Layer-la-gi\"><\/span><strong>Presentation Layer l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>T\u1ea7ng Tr\u00ecnh b\u00e0y\u00a0(Presentation\u00a0Layer)<\/strong> l\u00e0 t\u1ea7ng\u00a0th\u1ee9 6 trong m\u00f4\u00a0h\u00ecnh OSI, ch\u1ecbu\u00a0tr\u00e1ch nhi\u1ec7m x\u1eed\u00a0l\u00fd vi\u1ec7c bi\u1ec3u\u00a0di\u1ec5n v\u00e0 tr\u00ecnh\u00a0b\u00e0y d\u1eef li\u1ec7u gi\u1eefa\u00a0c\u00e1c h\u1ec7 th\u1ed1ng\u00a0kh\u00e1c nhau \u0111\u1ec3\u00a0\u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u\u00a0\u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u00fang\u00a0gi\u1eefa b\u00ean g\u1eedi\u00a0v\u00e0 b\u00ean nh\u1eadn.<\/p>\n<p>T\u1ea7ng n\u00e0y th\u1ef1c\u00a0hi\u1ec7n c\u00e1c ch\u1ee9c\u00a0n\u0103ng ch\u00ednh nh\u01b0\u00a0d\u1ecbch (chuy\u1ec3n\u00a0\u0111\u1ed5i d\u1eef li\u1ec7u sang\u00a0d\u1ea1ng th\u00edch h\u1ee3p), n\u00e9n d\u1eef li\u1ec7u\u00a0\u0111\u1ec3 gi\u1ea3m dung\u00a0l\u01b0\u1ee3ng truy\u1ec1n\u00a0t\u1ea3i, m\u00e3 h\u00f3a v\u00e0\u00a0gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u\u00a0\u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh\u00a0to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o\u00a0m\u1eadt th\u00f4ng tin. Ngo\u00e0i ra, t\u1ea7ng\u00a0tr\u00ecnh b\u00e0y c\u00f2n\u00a0qu\u1ea3n l\u00fd vi\u1ec7c\u00a0hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u\u00a0v\u00e0 t\u01b0\u01a1ng t\u00e1c\u00a0v\u1edbi ng\u01b0\u1eddi d\u00f9ng\u00a0qua giao di\u1ec7n\u00a0ng\u01b0\u1eddi d\u00f9ng (<a href=\"https:\/\/interdata.vn\/blog\/ui-la-gi\/\">UI<\/a>) trong m\u1ed9t\u00a0s\u1ed1 ki\u1ebfn tr\u00fac\u00a0h\u1ec7 th\u1ed1ng.<\/p>\n<figure id=\"attachment_33326\" aria-describedby=\"caption-attachment-33326\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-33326 size-full\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-la-gi.jpg\" alt=\"Presentation Layer l\u00e0 g\u00ec\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-la-gi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-la-gi-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33326\" class=\"wp-caption-text\">Presentation Layer l\u00e0 g\u00ec<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Chuc-nang-cot-loi-cua-Presentation-Layer\"><\/span><strong>Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a Presentation Layer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 th\u1ef1c hi\u1ec7n vai tr\u00f2 &#8220;phi\u00ean d\u1ecbch&#8221;, <strong>Presentation Layer<\/strong> s\u1edf h\u1eefu ba ch\u1ee9c n\u0103ng ch\u00ednh sau:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ma-hoa-va-giai-ma-du-lieu\"><\/span>M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea3o m\u1eadt l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong truy\u1ec1n th\u00f4ng tin. <strong>Presentation Layer<\/strong> ch\u1ecbu tr\u00e1ch nhi\u1ec7m m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u1edf ph\u00eda ng\u01b0\u1eddi g\u1eedi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ri\u00eang t\u01b0 v\u00e0 an to\u00e0n. Khi d\u1eef li\u1ec7u \u0111\u1ebfn tay ng\u01b0\u1eddi nh\u1eadn, <strong>Presentation Layer<\/strong> s\u1ebd th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3, \u0111\u01b0a d\u1eef li\u1ec7u v\u1ec1 d\u1ea1ng ban \u0111\u1ea7u.<\/p>\n<p>M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 giao th\u1ee9c <strong>SSL\/TLS (Secure Sockets Layer\/Transport Layer Security)<\/strong>. Khi b\u1ea1n truy c\u1eadp m\u1ed9t trang web c\u00f3 <a href=\"https:\/\/interdata.vn\/blog\/giao-thuc-https-la-gi\/\">giao th\u1ee9c HTTPS<\/a>, <strong>Presentation Layer<\/strong> s\u1ebd m\u00e3 h\u00f3a d\u1eef li\u1ec7u b\u1ea1n g\u1eedi \u0111i (nh\u01b0 th\u00f4ng tin th\u1ebb t\u00edn d\u1ee5ng, m\u1eadt kh\u1ea9u) v\u00e0 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u t\u1eeb server. D\u1eef li\u1ec7u n\u00e0y s\u1ebd tr\u1edf n\u00ean v\u00f4 ngh\u0129a n\u1ebfu b\u1ecb \u0111\u00e1nh c\u1eafp tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nen-va-giai-nen-du-lieu\"><\/span>N\u00e9n v\u00e0 gi\u1ea3i n\u00e9n d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a <a href=\"https:\/\/interdata.vn\/blog\/bang-thong-la-gi\/\">b\u0103ng th\u00f4ng<\/a> v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i, <strong>Presentation Layer<\/strong> s\u1ebd n\u00e9n d\u1eef li\u1ec7u tr\u01b0\u1edbc khi g\u1eedi \u0111i. Qu\u00e1 tr\u00ecnh n\u00e9n gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc file, ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean m\u1ea1ng.<\/p>\n<p>Ch\u1ee9c n\u0103ng n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi b\u1ea1n x\u1eed l\u00fd c\u00e1c file dung l\u01b0\u1ee3ng l\u1edbn nh\u01b0 h\u00ecnh \u1ea3nh, video, hay \u00e2m thanh. Khi b\u1ea1n xem m\u1ed9t video tr\u1ef1c tuy\u1ebfn tr\u00ean YouTube ho\u1eb7c Netflix, video \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e9n l\u1ea1i \u1edf <a href=\"https:\/\/interdata.vn\/blog\/may-chu-server-la-gi\/\">m\u00e1y ch\u1ee7<\/a> v\u00e0 gi\u1ea3i n\u00e9n \u1edf thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p>\n<p>Theo m\u1ed9t b\u00e1o c\u00e1o t\u1eeb Akamai, c\u00e1c k\u1ef9 thu\u1eadt n\u00e9n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m t\u1edbi 80% dung l\u01b0\u1ee3ng file, t\u1eeb \u0111\u00f3 gi\u1ea3m th\u1eddi gian t\u1ea3i trang v\u00e0 c\u1ea3i thi\u1ec7n <a href=\"https:\/\/interdata.vn\/blog\/ux-la-gi\/\">tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuyen-doi-va-chuan-hoa-dinh-dang-du-lieu\"><\/span>Chuy\u1ec3n \u0111\u1ed5i v\u00e0 chu\u1ea9n h\u00f3a \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed7i h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u kh\u00e1c nhau. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a <strong>Presentation Layer<\/strong> l\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u t\u1eeb \u0111\u1ecbnh d\u1ea1ng n\u00e0y sang \u0111\u1ecbnh d\u1ea1ng kh\u00e1c \u0111\u1ec3 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 trao \u0111\u1ed5i th\u00f4ng tin v\u1edbi nhau.<\/p>\n<p>V\u00ed d\u1ee5, khi m\u1ed9t \u1ee9ng d\u1ee5ng g\u1eedi d\u1eef li\u1ec7u v\u0103n b\u1ea3n theo m\u00e3 ASCII v\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng kh\u00e1c l\u1ea1i s\u1eed d\u1ee5ng m\u00e3 EBCDIC, <strong>Presentation Layer<\/strong> s\u1ebd \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i hi\u1ec3n th\u1ecb k\u00fd t\u1ef1.<\/p>\n<p>Ngo\u00e0i ra, n\u00f3 c\u00f2n chu\u1ea9n h\u00f3a c\u00e1c \u0111\u1ecbnh d\u1ea1ng file \u0111a ph\u01b0\u01a1ng ti\u1ec7n nh\u01b0 <strong>JPEG<\/strong>, <strong>MP3<\/strong>, <strong>MP4<\/strong>, \u0111\u1ea3m b\u1ea3o ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ho\u1eb7c ph\u00e1t l\u1ea1i \u0111\u00fang c\u00e1ch tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<\/p>\n<figure id=\"attachment_33328\" aria-describedby=\"caption-attachment-33328\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33328\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Chuc-nang-cot-loi.jpg\" alt=\"Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Chuc-nang-cot-loi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Chuc-nang-cot-loi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Chuc-nang-cot-loi-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33328\" class=\"wp-caption-text\">Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Moi-quan-he-cua-Presentation-Layer-voi-Application-Layer-va-Session-Layer\"><\/span><strong>M\u1ed1i quan h\u1ec7 c\u1ee7a Presentation Layer v\u1edbi Application Layer v\u00e0 Session Layer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Presentation Layer (L\u1edbp Tr\u00ecnh di\u1ec5n) trong m\u00f4 h\u00ecnh OSI c\u00f3 m\u1ed1i quan h\u1ec7 t\u01b0\u01a1ng t\u00e1c ch\u1eb7t ch\u1ebd v\u1edbi c\u1ea3 <a href=\"https:\/\/interdata.vn\/blog\/application-layer-la-gi\/\">Application Layer<\/a> (T\u1ea7ng \u1ee8ng d\u1ee5ng) \u1edf tr\u00ean v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/session-layer-la-gi\/\">Session Layer<\/a> (T\u1ea7ng Phi\u00ean) \u1edf d\u01b0\u1edbi, nh\u1eb1m \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i \u0111\u00fang c\u00e1ch, hi\u1ec7u qu\u1ea3 v\u00e0 c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c \u1edf c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Moi-quan-he-voi-Application-Layer\"><\/span>M\u1ed1i quan h\u1ec7 v\u1edbi Application Layer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Presentation Layer nh\u1eadn d\u1eef li\u1ec7u t\u1eeb Application Layer, th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u \u0111\u1ec3 truy\u1ec1n \u0111i, bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ecbnh d\u1ea1ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sao cho t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng, v\u00ed d\u1ee5 nh\u01b0 chuy\u1ec3n \u0111\u1ed5i m\u00e3 h\u00f3a k\u00fd t\u1ef1 (ASCII, EBCDIC).<\/li>\n<li>M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u.<\/li>\n<li>N\u00e9n v\u00e0 gi\u1ea3i n\u00e9n d\u1eef li\u1ec7u \u0111\u1ec3 gi\u1ea3m dung l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i.<br \/>\n\u0110i\u1ec1u n\u00e0y gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n m\u1ed9t c\u00e1ch chu\u1ea9n h\u00f3a, d\u1ec5 hi\u1ec3u v\u00e0 s\u1eb5n s\u00e0ng cho qu\u00e1 tr\u00ec<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Moi-quan-he-voi-Session-Layer\"><\/span>M\u1ed1i quan h\u1ec7 v\u1edbi Session Layer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi Presentation Layer x\u1eed l\u00fd, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chuy\u1ec3n xu\u1ed1ng Session Layer. Session Layer c\u00f3 nhi\u1ec7m v\u1ee5:<\/p>\n<ul>\n<li>Thi\u1ebft l\u1eadp, duy tr\u00ec v\u00e0 \u0111\u1ed3ng b\u1ed9 c\u00e1c phi\u00ean giao ti\u1ebfp gi\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng \u1edf hai thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/li>\n<li>Qu\u1ea3n l\u00fd c\u00e1c \u0111i\u1ec3m \u0111\u1ed3ng b\u1ed9 h\u00f3a, gi\u00fap \u0111\u1ea3m b\u1ea3o phi\u00ean l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c, ph\u1ee5c h\u1ed3i khi c\u00f3 s\u1ef1 c\u1ed1 v\u00e0 ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u.<\/li>\n<li>Gi\u00fap vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9, \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n.<\/li>\n<\/ul>\n<figure id=\"attachment_33330\" aria-describedby=\"caption-attachment-33330\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33330\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Moi-quan-he-voi-Application-Layer-va-Session-Layer.jpg\" alt=\"M\u1ed1i quan h\u1ec7 v\u1edbi Application Layer v\u00e0 Session Layer\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Moi-quan-he-voi-Application-Layer-va-Session-Layer.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Moi-quan-he-voi-Application-Layer-va-Session-Layer-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Moi-quan-he-voi-Application-Layer-va-Session-Layer-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33330\" class=\"wp-caption-text\">M\u1ed1i quan h\u1ec7 v\u1edbi Application Layer v\u00e0 Session Layer<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cac-Giao-thuc-va-Dinh-dang-du-lieu-thuong-gap-trong-Presentation-Layer\"><\/span><strong>C\u00e1c Giao th\u1ee9c v\u00e0 \u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p trong Presentation Layer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a m\u00ecnh, <strong>Presentation Layer<\/strong> s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 giao th\u1ee9c v\u00e0 \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u c\u1ee5 th\u1ec3:<\/p>\n<ul>\n<li><strong>Giao th\u1ee9c:<\/strong>\n<ul>\n<li><strong>SSL\/TLS (Secure Sockets Layer\/Transport Layer Security):<\/strong> Giao th\u1ee9c b\u1ea3o m\u1eadt cho c\u00e1c k\u1ebft n\u1ed1i web.<\/li>\n<li><strong>MIME (Multipurpose Internet Mail Extensions):<\/strong> D\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u trong email, cho ph\u00e9p g\u1eedi c\u00e1c file \u0111\u00ednh k\u00e8m nh\u01b0 h\u00ecnh \u1ea3nh, video.<\/li>\n<li><strong>XML-RPC, JSON-RPC:<\/strong> C\u00e1c giao th\u1ee9c g\u1ecdi th\u1ee7 t\u1ee5c t\u1eeb xa, cho ph\u00e9p m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh g\u1ecdi m\u1ed9t th\u1ee7 t\u1ee5c (h\u00e0m) tr\u00ean m\u00e1y t\u00ednh t\u1eeb xa.<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u:<\/strong>\n<ul>\n<li><strong>H\u00ecnh \u1ea3nh:<\/strong> <strong>JPEG<\/strong>, <strong>PNG<\/strong>, <strong>GIF<\/strong> \u2013 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh ph\u1ed5 bi\u1ebfn.<\/li>\n<li><strong>\u00c2m thanh:<\/strong> <strong>MP3<\/strong>, <strong>AAC<\/strong> \u2013 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u00e2m thanh n\u00e9n.<\/li>\n<li><strong>Video:<\/strong> <strong>MPEG-4<\/strong>, <strong>AVI<\/strong> \u2013 c\u00e1c \u0111\u1ecbnh d\u1ea1ng video n\u00e9n.<\/li>\n<li><strong>V\u0103n b\u1ea3n:<\/strong> <strong>UTF-8<\/strong>, <strong>ASCII<\/strong> \u2013 c\u00e1c b\u1ea3ng m\u00e3 k\u00fd t\u1ef1.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng n\u00e0y \u0111\u00e3 tr\u1edf n\u00ean qu\u00e1 quen thu\u1ed9c trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, nh\u01b0ng \u00edt ai bi\u1ebft r\u1eb1ng ch\u00fang \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf <strong>Presentation Layer<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<figure id=\"attachment_33336\" aria-describedby=\"caption-attachment-33336\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33336\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Dinh-dang-du-lieu-thuong-gap.jpg\" alt=\"\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Dinh-dang-du-lieu-thuong-gap.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Dinh-dang-du-lieu-thuong-gap-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Dinh-dang-du-lieu-thuong-gap-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33336\" class=\"wp-caption-text\">\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Ung-dung-thuc-te-cua-Presentation-Layer\"><\/span><strong>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a Presentation Layer\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Presentation Layer (L\u1edbp Tr\u00ecnh di\u1ec5n) trong m\u00f4 h\u00ecnh OSI c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf r\u00f5 r\u00e0ng v\u00e0 thi\u1ebft th\u1ef1c trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c truy\u1ec1n th\u00f4ng d\u1eef li\u1ec7u qua m\u1ea1ng gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng v\u1edbi \u0111\u1ecbnh d\u1ea1ng, b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00e1c nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung-dung-dinh-dang-va-chuyen-doi-du-lieu\"><\/span>\u1ee8ng d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Presentation Layer \u0111\u1ea3m nh\u1eadn vi\u1ec7c chu\u1ea9n h\u00f3a v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u00fang. V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>Trong giao ti\u1ebfp gi\u1eefa c\u00e1c m\u00e1y t\u00ednh s\u1eed d\u1ee5ng c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/he-dieu-hanh\/\">h\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/a> kh\u00e1c nhau, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u gi\u00fap c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u1ecdc v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/data-preprocessing-la-gi\/\">x\u1eed l\u00fd d\u1eef li\u1ec7u<\/a> m\u00e0 kh\u00f4ng b\u1ecb l\u1ed7i do kh\u00e1c bi\u1ec7t m\u00e3 h\u00f3a k\u00fd t\u1ef1 (nh\u01b0 ASCII sang EBCDIC).<\/li>\n<li>File \u0111a ph\u01b0\u01a1ng ti\u1ec7n (h\u00ecnh \u1ea3nh, \u00e2m thanh, video) \u0111\u01b0\u1ee3c tr\u00ecnh di\u1ec5n \u0111\u00fang c\u00e1ch nh\u1edd vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Ung-dung-ma-hoa-va-bao-mat\"><\/span>\u1ee8ng d\u1ee5ng m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Presentation Layer th\u1ef1c hi\u1ec7n m\u00e3 h\u00f3a d\u1eef li\u1ec7u tr\u01b0\u1edbc khi truy\u1ec1n qua m\u1ea1ng nh\u1eb1m:<\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n, t\u00e0i ch\u00ednh, hay d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m kh\u1ecfi b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c t\u1ea5n c\u00f4ng.<\/li>\n<li>V\u00ed d\u1ee5 trong giao d\u1ecbch tr\u1ef1c tuy\u1ebfn, c\u00e1c d\u1eef li\u1ec7u nh\u01b0 th\u00f4ng tin th\u1ebb t\u00edn d\u1ee5ng v\u00e0 m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a nghi\u00eam ng\u1eb7t \u1edf t\u1ea7ng n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Ung-dung-nen-du-lieu\"><\/span>\u1ee8ng d\u1ee5ng n\u00e9n d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u00e9n d\u1eef li\u1ec7u gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i, t\u1ed1i \u01b0u b\u0103ng th\u00f4ng internet v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n. Trong th\u1ef1c t\u1ebf:<\/p>\n<ul>\n<li>Video g\u1ecdi \u0111i\u1ec7n tho\u1ea1i, streaming video nh\u01b0 tr\u00ean Youtube, Netflix th\u01b0\u1eddng s\u1eed d\u1ee5ng n\u00e9n \u0111\u1ec3 truy\u1ec1n t\u1ea3i m\u01b0\u1ee3t m\u00e0 d\u1eef li\u1ec7u \u0111a ph\u01b0\u01a1ng ti\u1ec7n qua m\u1ea1ng.<\/li>\n<li>C\u00e1c t\u1eadp tin \u0111\u01b0\u1ee3c truy\u1ec1n qua email, c\u00e1c d\u1ecbch v\u1ee5 <a href=\"https:\/\/interdata.vn\/blog\/cloud-storage-la-gi\/\">l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y<\/a> c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c n\u00e9n \u0111\u1ec3 ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 th\u1eddi gian truy\u1ec1n t\u1ea3i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Ung-dung-ho-tro-giao-tiep-giua-cac-ung-dung\"><\/span>\u1ee8ng d\u1ee5ng h\u1ed7 tr\u1ee3 giao ti\u1ebfp gi\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Presentation Layer t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau tr\u00ean n\u1ec1n t\u1ea3ng kh\u00e1c nhau c\u00f3 th\u1ec3 giao ti\u1ebfp hi\u1ec7u qu\u1ea3 qua m\u1ea1ng, nh\u1edd chu\u1ea9n h\u00f3a vi\u1ec7c tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng ty khi nh\u00e2n vi\u00ean s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb v\u00e0 ph\u1ea7n m\u1ec1m kh\u00e1c nhau.<\/p>\n<p>Presentation Layer \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c<strong> chuy\u1ec3n \u0111\u1ed5i, b\u1ea3o m\u1eadt v\u00e0 t\u1ed1i \u01b0u d\u1eef li\u1ec7u<\/strong> tr\u01b0\u1edbc khi d\u1eef li\u1ec7u \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ho\u1eb7c truy\u1ec1n t\u1ea3i qua m\u1ea1ng, gi\u00fap n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n, hi\u1ec7u qu\u1ea3 trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng h\u00e0ng ng\u00e0y nh\u01b0 giao d\u1ecbch tr\u1ef1c tuy\u1ebfn, truy\u1ec1n th\u00f4ng \u0111a ph\u01b0\u01a1ng ti\u1ec7n, v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u.<\/p>\n<figure id=\"attachment_33332\" aria-describedby=\"caption-attachment-33332\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33332\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Ung-dung-thuc-te-cua-Presentation-Layer.jpg\" alt=\"\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a Presentation Layer\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Ung-dung-thuc-te-cua-Presentation-Layer.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Ung-dung-thuc-te-cua-Presentation-Layer-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Ung-dung-thuc-te-cua-Presentation-Layer-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33332\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a Presentation Layer<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cong-nghe-lien-quan-den-Presentation-Layer\"><\/span><strong>C\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn Presentation Layer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong th\u1ebf gi\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/lap-trinh-la-gi\/\">l\u1eadp tr\u00ecnh<\/a> hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00e1t tri\u1ec3n web, c\u00e1c kh\u00e1i ni\u1ec7m t\u01b0\u01a1ng t\u1ef1 t\u1ea7ng tr\u00ecnh b\u00e0y \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 r\u00e0ng trong ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng. C\u00e1c c\u00f4ng ngh\u1ec7 <a href=\"https:\/\/interdata.vn\/blog\/front-end-la-gi\/\">Front-end<\/a> nh\u01b0 HTML\/CSS v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/javascript-la-gi\/\">JavaScript<\/a> ch\u00ednh l\u00e0 n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c &#8220;tr\u00ecnh b\u00e0y&#8221; cho ng\u01b0\u1eddi d\u00f9ng:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/interdata.vn\/blog\/html-la-gi\/\">HTML<\/a> &amp; <a href=\"https:\/\/interdata.vn\/blog\/css-la-gi\/\">CSS<\/a>:<\/strong> T\u1ea1o n\u00ean c\u1ea5u tr\u00fac v\u00e0 giao di\u1ec7n trang web.<\/li>\n<li><strong>JavaScript:<\/strong> X\u1eed l\u00fd c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, l\u00e0m cho trang web tr\u1edf n\u00ean \u0111\u1ed9ng v\u00e0 linh ho\u1ea1t.<\/li>\n<li><strong>C\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/framework-la-gi\/\">framework<\/a> v\u00e0 th\u01b0 vi\u1ec7n Front-end:<\/strong> <strong>ReactJS<\/strong>, <strong>Angular<\/strong>, <strong>VueJS<\/strong> gi\u00fap x\u00e2y d\u1ef1ng c\u00e1c giao di\u1ec7n ph\u1ee9c t\u1ea1p v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n<p>D\u1eef li\u1ec7u t\u1eeb <strong>Business Layer<\/strong> (l\u1edbp x\u1eed l\u00fd logic) s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 hi\u1ec3n th\u1ecb ra giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua c\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y m\u1ed1i li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c kh\u00e1i ni\u1ec7m l\u00fd thuy\u1ebft v\u1ec1 m\u1ea1ng m\u00e1y t\u00ednh v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 l\u1eadp tr\u00ecnh hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-Presentation-Layer-voi-mo-hinh-TCPIP\"><\/span><strong>So s\u00e1nh Presentation Layer v\u1edbi m\u00f4 h\u00ecnh TCP\/IP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p l\u00e0: T\u1ea1i sao m\u00f4 h\u00ecnh <a href=\"https:\/\/interdata.vn\/blog\/giao-thuc-tcp-ip-la-gi\/\">TCP\/IP<\/a> \u2013 m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean Internet \u2013 l\u1ea1i kh\u00f4ng c\u00f3 m\u1ed9t t\u1ea7ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Presentation Layer?<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuc-nang-xu-ly-du-lieu\"><\/span>Ch\u1ee9c n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Presentation Layer<\/strong> trong OSI \u0111\u1ea3m nh\u1eadn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u, n\u00e9n, m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 \u0111\u1ec3 chu\u1ea9n h\u00f3a d\u1eef li\u1ec7u, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u truy\u1ec1n \u0111i c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c v\u00e0 b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Trong TCP\/IP<\/strong>, c\u00e1c ch\u1ee9c n\u0103ng v\u1ec1 m\u00e3 h\u00f3a, chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng v\u00e0 n\u00e9n d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c ri\u00eang bi\u1ec7t m\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi t\u1eebng giao th\u1ee9c ho\u1eb7c \u1ee9ng d\u1ee5ng trong t\u1ea7ng Application.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Phan-tang-va-kien-truc\"><\/span>Ph\u00e2n t\u1ea7ng v\u00e0 ki\u1ebfn tr\u00fac<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Presentation Layer<\/strong> l\u00e0 t\u1ea7ng ri\u00eang bi\u1ec7t, gi\u00fap t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng c\u00e1c nhi\u1ec7m v\u1ee5 v\u1ec1 x\u1eed l\u00fd bi\u1ec3u di\u1ec5n d\u1eef li\u1ec7u tr\u01b0\u1edbc khi truy\u1ec1n \u0111i ho\u1eb7c nh\u1eadn v\u1ec1.<\/li>\n<li><strong>TCP\/IP<\/strong> kh\u00f4ng ph\u00e2n t\u1ea7ng ri\u00eang cho ch\u1ee9c n\u0103ng n\u00e0y; t\u1ea7ng Application g\u1ed9p chung nhi\u1ec1u nhi\u1ec7m v\u1ee5 t\u1eeb Application, Presentation, v\u00e0 Session c\u1ee7a OSI \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p ki\u1ebfn tr\u00fac.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Chuan-hoa-va-tinh-nhat-quan\"><\/span>Chu\u1ea9n h\u00f3a v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>OSI v\u1edbi Presentation Layer<\/strong> gi\u00fap chu\u1ea9n h\u00f3a giao ti\u1ebfp d\u1eef li\u1ec7u gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng qua c\u00e1c quy chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 c\u00e1ch bi\u1ec3u di\u1ec5n v\u00e0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u.<\/li>\n<li><strong>TCP\/IP<\/strong> d\u1ef1a nhi\u1ec1u v\u00e0o s\u1ef1 quy \u0111\u1ecbnh c\u1ee7a t\u1eebng giao th\u1ee9c \u1edf t\u1ea7ng Application, n\u00ean s\u1ef1 chu\u1ea9n h\u00f3a kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Muc-do-thuc-te-trien-khai\"><\/span>M\u1ee9c \u0111\u1ed9 th\u1ef1c t\u1ebf tri\u1ec3n khai<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>OSI<\/strong> v\u1edbi c\u00e1c t\u1ea7ng r\u00f5 r\u00e0ng h\u01a1n t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i \u0111\u1ec3 nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng theo chu\u1ea9n l\u00fd thuy\u1ebft.<\/li>\n<li><strong>TCP\/IP<\/strong> \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong th\u1ef1c t\u1ebf, t\u1eadn d\u1ee5ng s\u1ef1 \u0111\u01a1n gi\u1ea3n, d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o c\u00e1c d\u1ecbch v\u1ee5 \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n t\u00e1ch c\u1ea7u k\u1ef3 c\u00e1c l\u1edbp.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Tinh-linh-hoat\"><\/span>T\u00ednh linh ho\u1ea1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Presentation Layer<\/strong> trong OSI gi\u00fap d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u00e3 h\u00f3a, n\u00e9n n\u1ebfu c\u1ea7n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u1ea7ng kh\u00e1c.<\/li>\n<li><strong>Trong TCP\/IP<\/strong>, khi ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c g\u1ed9p chung v\u00e0o t\u1ea7ng Application, vi\u1ec7c thay \u0111\u1ed5i ho\u1eb7c n\u00e2ng c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd d\u1eef li\u1ec7u ph\u1ea3i g\u1eafn li\u1ec1n v\u1edbi t\u1eebng giao th\u1ee9c c\u1ee5 th\u1ec3, \u00edt linh ho\u1ea1t nh\u01b0ng thu\u1eadn ti\u1ec7n cho vi\u1ec7c ph\u00e1t tri\u1ec3n nhanh.<\/li>\n<\/ul>\n<p>Presentation Layer trong OSI l\u00e0m nhi\u1ec7m v\u1ee5 \u0111\u1ecbnh h\u00ecnh v\u00e0 chu\u1ea9n h\u00f3a d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch ri\u00eang bi\u1ec7t, c\u00f2n trong TCP\/IP, ch\u1ee9c n\u0103ng n\u00e0y b\u1ecb g\u1ed9p chung v\u00e0o t\u1ea7ng Application \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ea5u tr\u00fac m\u1ea1ng, thu\u1eadn ti\u1ec7n cho \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, tuy nhi\u00ean gi\u1ea3m \u0111i s\u1ef1 ph\u00e2n t\u00e1ch ch\u1ee9c n\u0103ng r\u00f5 r\u00e0ng.<\/p>\n<figure id=\"attachment_33334\" aria-describedby=\"caption-attachment-33334\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-33334\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-va-mo-hinh-TCP-IP.jpg\" alt=\"Presentation Layer v\u00e0 m\u00f4 h\u00ecnh TCP IP\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-va-mo-hinh-TCP-IP.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-va-mo-hinh-TCP-IP-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/09\/Presentation-Layer-va-mo-hinh-TCP-IP-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33334\" class=\"wp-caption-text\">Presentation Layer v\u00e0 m\u00f4 h\u00ecnh TCP <a href=\"https:\/\/interdata.vn\/blog\/dia-chi-ip-la-gi\/\">IP<\/a><\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Tam-quan-trong-cua-Presentation-Layer-trong-ky-nguyen-so\"><\/span><strong>T\u1ea7m quan tr\u1ecdng c\u1ee7a Presentation Layer trong k\u1ef7 nguy\u00ean s\u1ed1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Presentation Layer<\/strong> l\u00e0 m\u1ed9t t\u1ea7ng quan tr\u1ecdng trong m\u00f4 h\u00ecnh OSI, c\u00f3 nhi\u1ec7m v\u1ee5 &#8220;phi\u00ean d\u1ecbch&#8221; v\u00e0 chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u \u0111\u1ec3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 th\u1ed1ng kh\u00e1c nhau c\u00f3 th\u1ec3 hi\u1ec3u nhau. T\u1eeb vi\u1ec7c m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u1ec3 b\u1ea3o m\u1eadt th\u00f4ng tin c\u00e1 nh\u00e2n, \u0111\u1ebfn n\u00e9n file \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i, <strong>Presentation Layer<\/strong> \u0111\u1ea3m b\u1ea3o s\u1ef1 trao \u0111\u1ed5i th\u00f4ng tin di\u1ec5n ra an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 <strong>Presentation Layer<\/strong> kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n c\u00f3 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc v\u1ec1 m\u1ea1ng m\u00e1y t\u00ednh m\u00e0 c\u00f2n gi\u00fap b\u1ea1n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1ch c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng ng\u00e0y ho\u1ea1t \u0111\u1ed9ng. M\u1eb7c d\u00f9 c\u00e1c c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, vai tr\u00f2 c\u1ed1t l\u00f5i c\u1ee7a <strong>Presentation Layer<\/strong> v\u1eabn lu\u00f4n hi\u1ec7n h\u1eefu, l\u00e0 n\u1ec1n t\u1ea3ng cho s\u1ef1 li\u00ean k\u1ebft v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa h\u00e0ng t\u1ef7 thi\u1ebft b\u1ecb tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n c\u00f3 bi\u1ebft \u0111i\u1ec1u g\u00ec khi\u1ebfn h\u00ecnh \u1ea3nh b\u1ea1n g\u1eedi t\u1eeb \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb \u0111\u00fang tr\u00ean m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi kh\u00e1c? Hay t\u1ea1i sao khi l\u01b0\u1edbt web, th\u00f4ng tin c\u1ee7a b\u1ea1n lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt? T\u1ea5t c\u1ea3 l\u00e0 nh\u1edd Presentation Layer \u2013 m\u1ed9t l\u1edbp trong m\u00f4 h\u00ecnh OSI. B\u00e0i vi\u1ebft c\u1ee7a InterData s\u1ebd gi\u00fap<\/p>\n","protected":false},"author":27,"featured_media":33337,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151],"tags":[],"class_list":["post-33302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=33302"}],"version-history":[{"count":11,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33302\/revisions"}],"predecessor-version":[{"id":33400,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/33302\/revisions\/33400"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/33337"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=33302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=33302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=33302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}