{"id":36427,"date":"2025-11-16T00:46:51","date_gmt":"2025-11-16T00:46:51","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=36427"},"modified":"2025-12-09T04:24:34","modified_gmt":"2025-12-09T04:24:34","slug":"15-machine-learning-quiz-questions-and-answers-12","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-machine-learning-quiz-questions-and-answers-12\/","title":{"rendered":"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi trong b\u00e0i ki\u1ec3m tra h\u1ecdc m\u00e1y"},"content":{"rendered":"<p> T\u1ed5ng Quan v\u1ec1 M\u00e1y H\u1ecdc<\/p>\n<p>M\u00e1y h\u1ecdc l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c c\u1ee7a tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o m\u00e0 m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 h\u1ecdc v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t theo th\u1eddi gian m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. M\u00e1y h\u1ecdc gi\u00fap m\u00e1y t\u00ednh &#8220;h\u1ecdc&#8221; t\u1eeb d\u1eef li\u1ec7u v\u00e0 tr\u1ea3i nghi\u1ec7m, v\u00e0 s\u1eed d\u1ee5ng nh\u1eefng kinh nghi\u1ec7m n\u00e0y \u0111\u1ec3 l\u00e0m c\u00e1c c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3.<\/p>\n<p> Lo\u1ea1i M\u00e1y H\u1ecdc<\/p>\n<p>1. H\u1ecdc Gi\u00e1m S\u00e1t (Supervised Learning): Trong lo\u1ea1i n\u00e0y, m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra t\u01b0\u01a1ng \u1ee9ng. M\u1ee5c ti\u00eau l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u1ea7u ra t\u1eeb \u0111\u1ea7u v\u00e0o m\u1edbi.<\/p>\n<p>2. H\u1ecdc Kh\u00f4ng Gi\u00e1m S\u00e1t (Unsupervised Learning): \u1ede \u0111\u00e2y, m\u00e1y t\u00ednh ch\u1ec9 nh\u1eadn d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ea7u ra t\u01b0\u01a1ng \u1ee9ng. M\u1ee5c ti\u00eau l\u00e0 t\u00ecm ra c\u1ea5u tr\u00fac v\u00e0 m\u1ed1i quan h\u1ec7 trong d\u1eef li\u1ec7u.<\/p>\n<p>3. H\u1ecdc T\u0103ng C\u01b0\u1eddng (Reinforcement Learning): Trong lo\u1ea1i n\u00e0y, m\u00e1y t\u00ednh h\u1ecdc th\u00f4ng qua vi\u1ec7c t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t m\u00f4i tr\u01b0\u1eddng. N\u00f3 nh\u1eadn ph\u1ea3n h\u1ed3i d\u1ef1a tr\u00ean c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee7a n\u00f3 v\u00e0 c\u1ed1 g\u1eafng t\u1ed1i \u01b0u h\u00f3a m\u1ed9t m\u1ee5c ti\u00eau.<\/p>\n<p> \u1ee8ng D\u1ee5ng c\u1ee7a M\u00e1y H\u1ecdc<\/p>\n<p>Nh\u1eadn Di\u1ec7n \u1ea2nh: M\u00e1y h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong \u1ea3nh v\u00e0 video.<\/p>\n<p>X\u1eed L\u00fd Ng\u00f4n Ng\u1eef T\u1ef1 Nhi\u00ean: C\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap m\u00e1y t\u00ednh hi\u1ec3u v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n<p>D\u1ef1 \u0110o\u00e1n D\u1ef1a Tr\u00ean D\u1eef Li\u1ec7u: M\u00e1y h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng, k\u1ebft qu\u1ea3, v\u00e0 h\u00e0nh vi d\u1ef1a tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed.<\/p>\n<p> C\u00f4ng C\u1ee5 v\u00e0 Th\u01b0 Vi\u1ec7n<\/p>\n<p>TensorFlow: M\u1ed9t th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Google \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 tri\u1ec3n khai m\u00f4 h\u00ecnh m\u00e1y h\u1ecdc.<\/p>\n<p>PyTorch: M\u1ed9t th\u01b0 vi\u1ec7n m\u00e3 ngu\u1ed3n m\u1edf \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Facebook, cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 cho vi\u1ec7c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh m\u00e1y h\u1ecdc.<\/p>\n<p>Scikit-learn: Th\u01b0 vi\u1ec7n Python ph\u1ed5 bi\u1ebfn cho c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y c\u01a1 b\u1ea3n v\u00e0 ti\u00ean ti\u1ebfn.<\/p>\n<p> L\u1ee3i \u00cdch c\u1ee7a M\u00e1y H\u1ecdc<\/p>\n<p>T\u1ef1 \u0110\u1ed9ng H\u00f3a: M\u00e1y h\u1ecdc gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c nhi\u1ec7m v\u1ee5 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, gi\u1ea3m thi\u1ec3u c\u00f4ng s\u1ee9c v\u00e0 th\u1eddi gian.<\/p>\n<p>D\u1ef1 \u0110o\u00e1n T\u1ed1t H\u01a1n: C\u00e1c m\u00f4 h\u00ecnh m\u00e1y h\u1ecdc c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng v\u00e0 k\u1ebft qu\u1ea3 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n d\u1ef1a tr\u00ean d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n<p>T\u1ed1i \u01afu H\u00f3a T\u00e0i Nguy\u00ean: M\u00e1y h\u1ecdc gi\u00fap t\u1ed1i \u01b0u h\u00f3a s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00e0 quy tr\u00ecnh l\u00e0m vi\u1ec7c trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 s\u1ea3n xu\u1ea5t, d\u1ecbch v\u1ee5, v\u00e0 t\u00e0i ch\u00ednh.<\/p>\n<p>M\u00e1y h\u1ecdc \u0111ang ng\u00e0y c\u00e0ng tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng v\u00e0 ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb c\u00f4ng ngh\u1ec7 th\u00f4ng tin \u0111\u1ebfn y t\u1ebf v\u00e0 kinh doanh. S\u1ef1 ph\u00e1t tri\u1ec3n trong l\u0129nh v\u1ef1c n\u00e0y h\u1ee9a h\u1eb9n mang l\u1ea1i nhi\u1ec1u ti\u1ec7n \u00edch v\u00e0 c\u01a1 h\u1ed9i m\u1edbi cho x\u00e3 h\u1ed9i v\u00e0 kinh t\u1ebf.<\/p>\n<h3> T\u1ed5ng quan b\u00e0i vi\u1ebft<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#a\">Ph\u1ea7n 1: C\u00f4ng c\u1ee5 t\u1ea1o b\u00e0i ki\u1ec3m tra AI OnlineExamMaker &#8211; T\u1ea1o b\u00e0i ki\u1ec3m tra mi\u1ec5n ph\u00ed trong v\u00e0i ph\u00fat<\/a><\/li>\n<li><a href=\"#1\">Ph\u1ea7n 2: 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 machine learning<\/a><\/li>\n<li> <a href=\"#2\">Ph\u1ea7n 3: Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI c\u1ee7a OnlineExamMaker: T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/machine-learning-quiz1.webp\" alt=\"\"\/><\/p>\n<h3 id=\"a\">Ph\u1ea7n 1: C\u00f4ng c\u1ee5 t\u1ea1o b\u00e0i ki\u1ec3m tra AI OnlineExamMaker &#8211; T\u1ea1o b\u00e0i ki\u1ec3m tra mi\u1ec5n ph\u00ed trong v\u00e0i ph\u00fat<\/h3>\n<p>V\u1eabn d\u00e0nh nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 ch\u1ec9nh s\u1eeda c\u00e1c c\u00e2u h\u1ecfi cho \u0111\u00e1nh gi\u00e1 k\u1ef9 n\u0103ng h\u1ecdc m\u00e1y ti\u1ebfp theo c\u1ee7a b\u1ea1n? OnlineExammaker l\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e2u \u0111\u1ed1 AI, t\u1eadn d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u1ea1o c\u00e1c c\u00e2u \u0111\u1ed1, ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3. B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch nh\u1eadp m\u1ed9t ch\u1ee7 \u0111\u1ec1 ho\u1eb7c chi ti\u1ebft c\u1ee5 th\u1ec3 v\u00e0o Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI OnlineExmaker v\u00e0 AI s\u1ebd t\u1ea1o ra m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi g\u1ea7n nh\u01b0 ngay l\u1eadp t\u1ee9c. N\u00f3 c\u0169ng cung c\u1ea5p t\u00f9y ch\u1ecdn \u0111\u1ec3 bao g\u1ed3m c\u00e1c gi\u1ea3i th\u00edch c\u00e2u tr\u1ea3 l\u1eddi, c\u00f3 th\u1ec3 ng\u1eafn ho\u1eb7c chi ti\u1ebft, gi\u00fap ng\u01b0\u1eddi h\u1ecdc hi\u1ec3u sai l\u1ea7m c\u1ee7a h\u1ecd.<\/p>\n<p><strong> Nh\u1eefng g\u00ec b\u1ea1n c\u00f3 th\u1ec3 th\u00edch: <\/strong><br \/>\n\u25cf Ph\u00e2n lo\u1ea1i t\u1ef1 \u0111\u1ed9ng v\u00e0 b\u00e1o c\u00e1o s\u00e2u s\u1eafc. K\u1ebft qu\u1ea3 th\u1eddi gian th\u1ef1c v\u00e0 ph\u1ea3n h\u1ed3i t\u01b0\u01a1ng t\u00e1c cho ng\u01b0\u1eddi ki\u1ec3m tra.<br \/>\n\u25cf C\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng ph\u00e2n lo\u1ea1i v\u1edbi k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c, \u0111\u1ec3 gi\u00e1o vi\u00ean c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c trong vi\u1ec7c ch\u1ea5m \u0111i\u1ec3m.<br \/>\n\u25cf Tr\u00ecnh duy\u1ec7t kh\u00f3a \u0111\u1ec3 h\u1ea1n ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tr\u00ecnh duy\u1ec7t trong c\u00e1c c\u00e2u h\u1ecfi \u0111\u1ec3 ng\u0103n h\u1ecdc sinh t\u00ecm ki\u1ebfm c\u00e2u tr\u1ea3 l\u1eddi tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm ho\u1eb7c ph\u1ea7n m\u1ec1m kh\u00e1c.<br \/>\n\u25cf T\u1ea1o ch\u1ee9ng ch\u1ec9 v\u1edbi logo c\u00f4ng ty \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a, ti\u00eau \u0111\u1ec1 ch\u1ee9ng ch\u1ec9, m\u00f4 t\u1ea3, ng\u00e0y, t\u00ean \u1ee9ng c\u1eed vi\u00ean, nh\u00e3n hi\u1ec7u v\u00e0 ch\u1eef k\u00fd.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/bv7AAAyFOo4\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ea1o b\u00e0i ki\u1ec3m tra\/b\u00e0i ki\u1ec3m tra ti\u1ebfp theo c\u1ee7a b\u1ea1n v\u1edbi OnlineExamMaker<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> B\u1eaft \u0111\u1ea7u mi\u1ec5n ph\u00ed<\/a><\/div>\n<div class=\"p-style-b\">SAAS, mi\u1ec5n ph\u00ed m\u00e3i m\u00e3i<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/lan.html?refer=blog_btn\">On-Premise: T\u1ea3i xu\u1ed1ng<\/a><\/div>\n<div class=\"p-style-b\">Quy\u1ec1n s\u1edf h\u1eefu d\u1eef li\u1ec7u 100%<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"1\"> Ph\u1ea7n 2: 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 machine learning<\/h3>\n<p><button type=\"button\" id=\"copyquestionsBtn\" onClick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi \u0111\u1ed1<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. M\u00e1y h\u1ecdc l\u00e0 g\u00ec?<br \/>\nA. M\u1ed9t lo\u1ea1i m\u00e1y t\u00ednh c\u00f3 th\u1ec3 t\u1ef1 h\u1ecdc t\u1eeb d\u1eef li\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<br \/>\nB. M\u1ed9t lo\u1ea1i m\u00e1y t\u00ednh ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.<br \/>\nC. M\u1ed9t lo\u1ea1i m\u00e1y t\u00ednh ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t.<br \/>\nD. M\u1ed9t lo\u1ea1i m\u00e1y t\u00ednh ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n.<\/p>\n<p>   \u0110\u00e1p \u00e1n: A. M\u1ed9t lo\u1ea1i m\u00e1y t\u00ednh c\u00f3 th\u1ec3 t\u1ef1 h\u1ecdc t\u1eeb d\u1eef li\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p>\n<p>2. Ph\u00e2n lo\u1ea1i, gom c\u1ee5m v\u00e0 d\u1ef1 \u0111o\u00e1n l\u00e0 c\u00e1c v\u00ed d\u1ee5 c\u1ee7a lo\u1ea1i n\u00e0o c\u1ee7a m\u00e1y h\u1ecdc?<br \/>\nA. H\u1ecdc gi\u00e1m s\u00e1t<br \/>\nB. H\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t<br \/>\nC. H\u1ecdc t\u0103ng c\u01b0\u1eddng<br \/>\nD. H\u1ecdc c\u1ea3 ba lo\u1ea1i tr\u00ean<\/p>\n<p>   \u0110\u00e1p \u00e1n: D. H\u1ecdc c\u1ea3 ba lo\u1ea1i tr\u00ean<\/p>\n<p>3. Trong h\u1ecdc gi\u00e1m s\u00e1t, d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00ec?<br \/>\nA. D\u1eef li\u1ec7u t\u00f9y \u00fd<br \/>\nB. D\u1eef li\u1ec7u ph\u1ed5 qu\u00e1t<br \/>\nC. D\u1eef li\u1ec7u ch\u1ee9ng minh<br \/>\nD. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u00e1n nh\u00e3n<\/p>\n<p>   \u0110\u00e1p \u00e1n: D. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u00e1n nh\u00e3n<\/p>\n<p>4. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u sai s\u1ed1 trong m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y?<br \/>\nA. Regularization<br \/>\nB. Normalization<br \/>\nC. Standardization<br \/>\nD. Normal Equation<\/p>\n<p>   \u0110\u00e1p \u00e1n: A. Regularization<\/p>\n<p>5. \u0110\u00e2u l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ee7a thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t?<br \/>\nA. Random Forest<br \/>\nB. K-means clustering<br \/>\nC. Logistic Regression<br \/>\nD. Gradient Boosting<\/p>\n<p>   \u0110\u00e1p \u00e1n: B. K-means clustering<\/p>\n<p>6. Thu\u1eadt ng\u1eef &#8220;overfitting&#8221; \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec trong m\u00e1y h\u1ecdc?<br \/>\nA. M\u00f4 h\u00ecnh qu\u00e1 \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n t\u1ed1t.<br \/>\nB. M\u00f4 h\u00ecnh qu\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean d\u1eef li\u1ec7u \u0111\u00e0o t\u1ea1o.<br \/>\nC. M\u00f4 h\u00ecnh kh\u00f4ng th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c t\u1eeb d\u1eef li\u1ec7u.<br \/>\nD. M\u00f4 h\u00ecnh kh\u00f4ng th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3.<\/p>\n<p>   \u0110\u00e1p \u00e1n: B. M\u00f4 h\u00ecnh qu\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean d\u1eef li\u1ec7u \u0111\u00e0o t\u1ea1o.<\/p>\n<p>7. H\u1ecdc t\u0103ng c\u01b0\u1eddng (Reinforcement Learning) li\u00ean quan \u0111\u1ebfn vi\u1ec7c g\u00ec?<br \/>\nA. H\u1ecdc t\u1eeb d\u1eef li\u1ec7u kh\u00f4ng c\u00f3 nh\u00e3n<br \/>\nB. H\u1ecdc t\u1eeb d\u1eef li\u1ec7u c\u00f3 nh\u00e3n<br \/>\nC. H\u1ecdc t\u1eeb ph\u1ea3n h\u1ed3i t\u1eeb m\u00f4i tr\u01b0\u1eddng<br \/>\nD. H\u1ecdc t\u1eeb t\u01b0\u01a1ng t\u00e1c v\u1edbi con ng\u01b0\u1eddi<\/p>\n<p>   \u0110\u00e1p \u00e1n: C. H\u1ecdc t\u1eeb ph\u1ea3n h\u1ed3i t\u1eeb m\u00f4i tr\u01b0\u1eddng<\/p>\n<p>8. \u0110\u00e2u l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u1ee7a m\u1ed9t thu\u1eadt to\u00e1n h\u1ecdc t\u0103ng c\u01b0\u1eddng?<br \/>\nA. Linear Regression<br \/>\nB. K-nearest neighbors<br \/>\nC. Q-learning<br \/>\nD. Support Vector Machine<\/p>\n<p>   \u0110\u00e1p \u00e1n: C. Q-learning<\/p>\n<p>9. H\u00e0m m\u1ea5t m\u00e1t (loss function) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec trong h\u1ecdc m\u00e1y?<br \/>\nA. \u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m.<br \/>\nB. T\u1ed1i \u01b0u h\u00f3a c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<br \/>\nC. Ph\u00e2n lo\u1ea1i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<br \/>\nD. X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u ngo\u1ea1i lai.<\/p>\n<p>   \u0110\u00e1p \u00e1n: B. T\u1ed1i \u01b0u h\u00f3a c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<p>10. Thu\u1eadt ng\u1eef &#8220;bias&#8221; trong m\u00e1y h\u1ecdc th\u01b0\u1eddng \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec?<br \/>\n A. Sai s\u1ed1 gi\u1eefa d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf.<br \/>\n B. Sai s\u1ed1 do m\u00f4 h\u00ecnh qu\u00e1 \u0111\u01a1n gi\u1ea3n so v\u1edbi d\u1eef li\u1ec7u th\u1ef1c t\u1ebf.<br \/>\n C. \u0110\u1ed9 ch\u1ec7ch gi\u1eefa d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf.<br \/>\n D. \u0110\u1ed9 ch\u1ec7ch gi\u1eefa d\u1eef li\u1ec7u \u0111\u00e0o t\u1ea1o v\u00e0 d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m.<\/p>\n<p>    \u0110\u00e1p \u00e1n: C. \u0110\u1ed9 ch\u1ec7ch gi\u1eefa d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf.<\/p>\n<p>11. Thu\u1eadt ng\u1eef &#8220;feature engineering&#8221; \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec trong m\u00e1y h\u1ecdc?<br \/>\n A. Qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn c\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng t\u1eeb d\u1eef li\u1ec7u.<br \/>\n B. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh.<br \/>\n C. Qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1 v\u00e0 so s\u00e1nh c\u00e1c m\u00f4 h\u00ecnh kh\u00e1c nhau.<br \/>\n D. Qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u l\u1edbn.<\/p>\n<p>    \u0110\u00e1p \u00e1n: B. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<p>12. Thu\u1eadt ng\u1eef &#8220;cross-validation&#8221; \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y h\u1ecdc \u0111\u1ec3 l\u00e0m g\u00ec?<br \/>\n A. \u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u.<br \/>\n B. Chia d\u1eef li\u1ec7u th\u00e0nh c\u00e1c t\u1eadp hu\u1ea5n luy\u1ec7n v\u00e0 ki\u1ec3m tra.<br \/>\n C. Ki\u1ec3m tra t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a d\u1eef li\u1ec7u.<br \/>\n D. X\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a c\u00e1c thu\u1ed9c t\u00ednh.<\/p>\n<p>    \u0110\u00e1p \u00e1n: B. Chia d\u1eef li\u1ec7u th\u00e0nh c\u00e1c t\u1eadp hu\u1ea5n luy\u1ec7n v\u00e0 ki\u1ec3m tra.<\/p>\n<p>13. Thu\u1eadt ng\u1eef &#8220;ensemble learning&#8221; trong m\u00e1y h\u1ecdc \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec?<br \/>\n A. Qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p c\u00e1c m\u00f4 h\u00ecnh kh\u00e1c nhau \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t d\u1ef1 \u0111o\u00e1n.<br \/>\n B. Qu\u00e1 tr\u00ecnh ch\u1ecdn l\u1ecdc c\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng t\u1eeb d\u1eef li\u1ec7u.<br \/>\n C. Qu\u00e1 tr\u00ecnh t\u0103ng c\u01b0\u1eddng d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n \u0111\u1ec3 m\u00f4 h\u00ecnh h\u1ecdc t\u1ed1t h\u01a1n.<br \/>\n D. Qu\u00e1 tr\u00ecnh t\u1ea1o ra c\u00e1c d\u1eef li\u1ec7u m\u00f4 ph\u1ecfng \u0111\u1ec3 hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh.<\/p>\n<p>    \u0110\u00e1p \u00e1n: A. Qu\u00e1 tr\u00ecnh k\u1ebft h\u1ee3p c\u00e1c m\u00f4 h\u00ecnh kh\u00e1c nhau \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t d\u1ef1 \u0111o\u00e1n.<\/p>\n<p>14. Trong h\u1ecdc m\u00e1y, thu\u1eadt ng\u1eef &#8220;gradient descent&#8221; \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec?<br \/>\n A. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m m\u1ea5t m\u00e1t.<br \/>\n B. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o ra d\u1eef li\u1ec7u m\u1edbi t\u1eeb d\u1eef li\u1ec7u \u0111\u00e3 c\u00f3.<br \/>\n C. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m.<br \/>\n D. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn c\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng t\u1eeb d\u1eef li\u1ec7u.<\/p>\n<p>    \u0110\u00e1p \u00e1n: A. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m m\u1ea5t m\u00e1t.<\/p>\n<p>15. Thu\u1eadt ng\u1eef &#8220;bias-variance tradeoff&#8221; trong m\u00e1y h\u1ecdc \u00e1m ch\u1ec9 \u0111i\u1ec1u g\u00ec?<br \/>\n A. S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa \u0111\u1ed9 ch\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh.<br \/>\n B. Qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<br \/>\n C. S\u1ef1 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh tr\u00ean d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m.<br \/>\n D. Qu\u00e1 tr\u00ecnh ch\u1ecdn l\u1ecdc c\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng t\u1eeb d\u1eef li\u1ec7u.<\/p>\n<p>    \u0110\u00e1p \u00e1n: A. S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa \u0111\u1ed9 ch\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh.<\/p>\n<\/div>\n<p><button type=\"button\" id=\"copyquestionsBtn\" onClick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi \u0111\u1ed1<\/button><\/p>\n<h3 id=\"2\">Ph\u1ea7n 3: Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI c\u1ee7a OnlineExamMaker: T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");\n\/\/ Copy the text inside the text field\nconsole.log(copyText.innerText)\nnavigator.clipboard.writeText(copyText.innerText);\n}\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng Quan v\u1ec1 M\u00e1y H\u1ecdc M\u00e1y h\u1ecdc l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c c\u1ee7a tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o m\u00e0 m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 h\u1ecdc v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t theo th\u1eddi gian m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. 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