{"id":67512,"date":"2025-08-01T02:34:50","date_gmt":"2025-08-01T02:34:50","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=67512"},"modified":"2025-08-21T05:59:33","modified_gmt":"2025-08-21T05:59:33","slug":"15-data-engineering-quiz-questions-and-answers-vi","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-data-engineering-quiz-questions-and-answers-vi\/","title":{"rendered":"15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u"},"content":{"rendered":"<p>K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh v\u00e0 c\u00f4ng ngh\u1ec7 th\u00f4ng tin t\u1eadp trung v\u00e0o thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ph\u00e2n t\u00edch d\u1ef1a tr\u00ean d\u1eef li\u1ec7u. N\u00f3 li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh thu th\u1eadp, chuy\u1ec3n \u0111\u1ed5i v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo c\u00e1ch cho ph\u00e9p x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.<\/p>\n<p>K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a v\u00f2ng \u0111\u1eddi d\u1eef li\u1ec7u, v\u00ec n\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u l\u00e0 \u0111\u00e1ng tin c\u1eady, c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0 s\u1eb5n s\u00e0ng \u0111\u1ec3 ph\u00e2n t\u00edch b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc, nh\u00e0 ph\u00e2n t\u00edch v\u00e0 c\u00e1c b\u00ean li\u00ean quan kh\u00e1c. C\u00e1c k\u1ef9 s\u01b0 d\u1eef li\u1ec7u l\u00e0m vi\u1ec7c ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u, qu\u1ea3n tr\u1ecb vi\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 kho d\u1eef li\u1ec7u.<\/p>\n<h3> T\u1ed5ng quan v\u1ec1 b\u00e0i vi\u1ebft <\/h3>\n<ul class=\"article_list\">\n<li> <a href = \"#1\"> Ph\u1ea7n 1: OnlineExamMaker &#8211; T\u1ea1o v\u00e0 chia s\u1ebb b\u00e0i ki\u1ec3m tra k\u1ef9 thu\u1eadt d\u1eef li\u1ec7u v\u1edbi AI t\u1ef1 \u0111\u1ed9ng <\/a> <\/li>\n<li> <a href = \"#2\"> Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi k\u1ef9 thu\u1eadt d\u1eef li\u1ec7u <\/a> <\/li>\n<li><a href=\"#3\">Ph\u1ea7n 3: C\u00f4ng c\u1ee5 t\u1ea1o c\u00e2u h\u1ecfi AI 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\/data-engineering.webp\" alt=\"\"\/><\/p>\n<h3 id = \"1\"> Ph\u1ea7n 1: OnlineExamMaker &#8211; T\u1ea1o v\u00e0 chia s\u1ebb b\u00e0i ki\u1ec3m tra k\u1ef9 thu\u1eadt d\u1eef li\u1ec7u v\u1edbi AI t\u1ef1 \u0111\u1ed9ng <\/h3>\n<p>C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt d\u1eef li\u1ec7u c\u1ee7a c\u00e1c \u1ee9ng c\u1eed vi\u00ean l\u00e0 s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng \u0111\u00e1nh gi\u00e1 AI nh\u01b0 OnlineExammaker. V\u1edbi Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI OnlineExamMaker, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp n\u1ed9i dung gi\u1ed1ng nh\u01b0 v\u0103n b\u1ea3n, t\u00e0i li\u1ec7u ho\u1eb7c ch\u1ee7 \u0111\u1ec1, v\u00e0 sau \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e1c c\u00e2u h\u1ecfi \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau (v\u00ed d\u1ee5: nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn). H\u1ecdc sinh l\u1edbp AI c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ch\u1ea5m \u0111i\u1ec3m b\u00e0i ki\u1ec3m tra v\u00e0 t\u1ea1o c\u00e1c b\u00e1o c\u00e1o s\u00e2u s\u1eafc sau khi \u1ee9ng vi\u00ean c\u1ee7a b\u1ea1n g\u1eedi \u0111\u00e1nh gi\u00e1.<\/p>\n<p><strong> nh\u1eefng g\u00ec b\u1ea1n s\u1ebd th\u00edch: <\/strong><br \/>\n\u25cf T\u1ea1o m\u1ed9t nh\u00f3m c\u00e2u h\u1ecfi th\u00f4ng qua ng\u00e2n h\u00e0ng c\u00e2u h\u1ecfi v\u00e0 ch\u1ec9 \u0111\u1ecbnh c\u00f3 bao nhi\u00eau c\u00e2u h\u1ecfi b\u1ea1n mu\u1ed1n \u0111\u01b0\u1ee3c ch\u1ecdn ng\u1eabu nhi\u00ean trong s\u1ed1 c\u00e1c c\u00e2u h\u1ecfi n\u00e0y.<br \/>\n\u25cf Cho ph\u00e9p ng\u01b0\u1eddi ki\u1ec3m tra tr\u1ea3 l\u1eddi b\u1eb1ng c\u00e1ch t\u1ea3i l\u00ean video ho\u1eb7c t\u00e0i li\u1ec7u Word, th\u00eam h\u00ecnh \u1ea3nh v\u00e0 ghi l\u1ea1i t\u1ec7p \u00e2m thanh.<br \/>\n\u25cf Hi\u1ec3n th\u1ecb ph\u1ea3n h\u1ed3i cho c\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c ho\u1eb7c kh\u00f4ng ch\u00ednh x\u00e1c ngay sau khi c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi.<br \/>\n\u25cf T\u1ea1o m\u1ed9t bi\u1ec3u m\u1eabu t\u1ea1o kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin c\u1ee7a ng\u01b0\u1eddi l\u00e0m b\u00e0i ki\u1ec3m tra, ch\u1eb3ng h\u1ea1n nh\u01b0 email, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, ti\u00eau \u0111\u1ec1 c\u00f4ng vi\u1ec7c, h\u1ed3 s\u01a1 c\u00f4ng ty, v.v.<\/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\/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<h3 id = \"2\"> Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u <\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. C\u00e2u h\u1ecfi: Trong Data Engineering, ETL \u0111\u1ea1i di\u1ec7n cho g\u00ec?<br \/>\n   A. Extract, Transform, Load<br \/>\n   B. Extract, Transfer, Load<br \/>\n   C. Export, Transform, Load<br \/>\n   D. Extract, Translate, Load<br \/>\n   \u0110\u00e1p \u00e1n: A<br \/>\n   Gi\u1ea3i th\u00edch: ETL l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Extract, Transform, v\u00e0 Load, \u0111\u00e2y l\u00e0 quy tr\u00ecnh ph\u1ed5 bi\u1ebfn \u0111\u1ec3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n, bi\u1ebfn \u0111\u1ed5i n\u00f3 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecbnh d\u1ea1ng mong mu\u1ed1n, v\u00e0 t\u1ea3i d\u1eef li\u1ec7u v\u00e0o kho l\u01b0u tr\u1eef.<\/p>\n<p>2. C\u00e2u h\u1ecfi: Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd d\u1eef li\u1ec7u n\u00e0o ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c nh\u01b0 theo d\u00f5i giao d\u1ecbch ng\u00e2n h\u00e0ng?<br \/>\n   A. X\u1eed l\u00fd theo l\u00f4 (Batch processing)<br \/>\n   B. X\u1eed l\u00fd theo lu\u1ed3ng (Stream processing)<br \/>\n   C. X\u1eed l\u00fd theo l\u1ecbch (Scheduled processing)<br \/>\n   D. X\u1eed l\u00fd th\u1ee7 c\u00f4ng<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: X\u1eed l\u00fd theo lu\u1ed3ng cho ph\u00e9p x\u1eed l\u00fd d\u1eef li\u1ec7u ngay l\u1eadp t\u1ee9c khi n\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh k\u1ecbp th\u1eddi v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<p>3. C\u00e2u h\u1ecfi: C\u00f4ng c\u1ee5 n\u00e0o sau \u0111\u00e2y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn (Big Data) v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd song song?<br \/>\n   A. MySQL<br \/>\n   B. Apache Spark<br \/>\n   C. Excel<br \/>\n   D. MongoDB<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: Apache Spark l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00e3 ngu\u1ed3n m\u1edf m\u1ea1nh m\u1ebd cho ph\u00e9p x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn theo c\u00e1ch ph\u00e2n t\u00e1n v\u00e0 song song, gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3.<\/p>\n<p>4. C\u00e2u h\u1ecfi: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa Data Warehouse v\u00e0 Data Lake l\u00e0 g\u00ec?<br \/>\n   A. Data Warehouse l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac, trong khi Data Lake l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf m\u1ecdi \u0111\u1ecbnh d\u1ea1ng<br \/>\n   B. Data Warehouse ch\u1ec9 d\u00f9ng cho d\u1eef li\u1ec7u nh\u1ecf<br \/>\n   C. Data Lake kh\u00f4ng h\u1ed7 tr\u1ee3 truy v\u1ea5n SQL<br \/>\n   D. C\u1ea3 hai \u0111\u1ec1u gi\u1ed1ng nhau v\u1ec1 c\u1ea5u tr\u00fac<br \/>\n   \u0110\u00e1p \u00e1n: A<br \/>\n   Gi\u1ea3i th\u00edch: Data Warehouse l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 c\u1ea5u tr\u00fac h\u00f3a \u0111\u1ec3 h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch, trong khi Data Lake l\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u00f4 \u1edf nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m c\u1ea5u tr\u00fac v\u00e0 kh\u00f4ng c\u1ea5u tr\u00fac.<\/p>\n<p>5. C\u00e2u h\u1ecfi: Trong SQL, JOIN n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c h\u00e0ng t\u1eeb c\u1ea3 hai b\u1ea3ng, b\u1ea5t k\u1ec3 c\u00f3 kh\u1edbp hay kh\u00f4ng?<br \/>\n   A. INNER JOIN<br \/>\n   B. LEFT JOIN<br \/>\n   C. FULL OUTER JOIN<br \/>\n   D. RIGHT JOIN<br \/>\n   \u0110\u00e1p \u00e1n: C<br \/>\n   Gi\u1ea3i th\u00edch: FULL OUTER JOIN k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c h\u00e0ng t\u1eeb c\u1ea3 hai b\u1ea3ng, bao g\u1ed3m c\u00e1c h\u00e0ng kh\u00f4ng kh\u1edbp, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng NULL cho c\u00e1c c\u1ed9t thi\u1ebfu d\u1eef li\u1ec7u.<\/p>\n<p>6. C\u00e2u h\u1ecfi: M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a vi\u1ec7c chu\u1ea9n h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u (Database Normalization) l\u00e0 g\u00ec?<br \/>\n   A. T\u0103ng k\u00edch th\u01b0\u1edbc c\u01a1 s\u1edf d\u1eef li\u1ec7u<br \/>\n   B. Gi\u1ea3m thi\u1ec3u d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n<br \/>\n   C. L\u00e0m cho truy v\u1ea5n ch\u1eadm h\u01a1n<br \/>\n   D. Ch\u1ec9 d\u00f9ng cho d\u1eef li\u1ec7u kh\u00f4ng c\u1ea5u tr\u00fac<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: Chu\u1ea9n h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u gi\u00fap lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p, gi\u1ea3m thi\u1ec3u l\u1ed7i, v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u b\u1eb1ng c\u00e1ch t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>7. C\u00e2u h\u1ecfi: C\u00f4ng c\u1ee5 n\u00e0o sau \u0111\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 l\u00ean l\u1ecbch c\u00e1c pipeline d\u1eef li\u1ec7u?<br \/>\n   A. Apache Kafka<br \/>\n   B. Apache Airflow<br \/>\n   C. TensorFlow<br \/>\n   D. Docker<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: Apache Airflow l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng m\u00e3 ngu\u1ed3n m\u1edf \u0111\u1ec3 t\u1ea1o, l\u00ean l\u1ecbch v\u00e0 gi\u00e1m s\u00e1t c\u00e1c workflows c\u1ee7a pipeline d\u1eef li\u1ec7u, gi\u00fap t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c nhi\u1ec7m v\u1ee5 l\u1eb7p l\u1ea1i.<\/p>\n<p>8. C\u00e2u h\u1ecfi: Trong Data Engineering, kh\u00e1i ni\u1ec7m &#8220;Data Pipeline&#8221; \u0111\u1ec1 c\u1eadp \u0111\u1ebfn g\u00ec?<br \/>\n   A. M\u1ed9t d\u00f2ng \u1ed1ng v\u1eadt l\u00fd \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u<br \/>\n   B. M\u1ed9t quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 di chuy\u1ec3n v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1eeb ngu\u1ed3n \u0111\u1ebfn \u0111\u00edch<br \/>\n   C. M\u1ed9t lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u<br \/>\n   D. M\u1ed9t c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: Data Pipeline l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c b\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 tr\u00edch xu\u1ea5t, bi\u1ebfn \u0111\u1ed5i, v\u00e0 t\u1ea3i d\u1eef li\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c nhau \u0111\u1ebfn n\u01a1i l\u01b0u tr\u1eef ho\u1eb7c s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>\n<p>9. C\u00e2u h\u1ecfi: D\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y n\u00e0o sau \u0111\u00e2y c\u1ee7a AWS th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u kh\u00f4ng c\u1ea5u tr\u00fac v\u1edbi chi ph\u00ed th\u1ea5p?<br \/>\n   A. Amazon RDS<br \/>\n   B. Amazon S3<br \/>\n   C. Amazon EC2<br \/>\n   D. Amazon Redshift<br \/>\n   \u0110\u00e1p \u00e1n: B<br \/>\n   Gi\u1ea3i th\u00edch: Amazon S3 (Simple Storage Service) l\u00e0 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng linh ho\u1ea1t, ph\u00f9 h\u1ee3p cho d\u1eef li\u1ec7u kh\u00f4ng c\u1ea5u tr\u00fac nh\u01b0 h\u00ecnh \u1ea3nh, video, v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 chi ph\u00ed hi\u1ec7u qu\u1ea3.<\/p>\n<p>10. C\u00e2u h\u1ecfi: Y\u1ebfu t\u1ed1 n\u00e0o quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u trong Data Engineering?<br \/>\n    A. T\u0103ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef<br \/>\n    B. Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u (Data Cleaning)<br \/>\n    C. S\u1eed d\u1ee5ng nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u<br \/>\n    D. Ch\u1ec9 t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd<br \/>\n    \u0110\u00e1p \u00e1n: B<br \/>\n    Gi\u1ea3i th\u00edch: Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u gi\u00fap lo\u1ea1i b\u1ecf l\u1ed7i, d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c, v\u00e0 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady cho ph\u00e2n t\u00edch v\u00e0 ra quy\u1ebft \u0111\u1ecbnh.<\/p>\n<p>11. C\u00e2u h\u1ecfi: Trong Data Engineering, h\u1ec7 th\u1ed1ng n\u00e0o th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c t\u1eeb c\u00e1c ngu\u1ed3n nh\u01b0 c\u1ea3m bi\u1ebfn?<br \/>\n    A. Hadoop<br \/>\n    B. Apache Kafka<br \/>\n    C. Microsoft Excel<br \/>\n    D. Oracle Database<br \/>\n    \u0110\u00e1p \u00e1n: B<br \/>\n    Gi\u1ea3i th\u00edch: Apache Kafka l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111\u1ec3 x\u1eed l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c, cho ph\u00e9p thu th\u1eadp, l\u01b0u tr\u1eef v\u00e0 ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u t\u1eeb c\u00e1c ngu\u1ed3n li\u00ean t\u1ee5c.<\/p>\n<p>12. C\u00e2u h\u1ecfi: Kh\u00e1i ni\u1ec7m &#8220;Scalability&#8221; trong Data Engineering c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<br \/>\n    A. Gi\u1ea3m kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u<br \/>\n    B. Kh\u1ea3 n\u0103ng h\u1ec7 th\u1ed1ng m\u1edf r\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn h\u01a1n<br \/>\n    C. Ch\u1ec9 s\u1eed d\u1ee5ng cho d\u1eef li\u1ec7u nh\u1ecf<br \/>\n    D. T\u0103ng chi ph\u00ed v\u1eadn h\u00e0nh<br \/>\n    \u0110\u00e1p \u00e1n: B<br \/>\n    Gi\u1ea3i th\u00edch: Scalability \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng Data Engineering m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean \u0111\u1ec3 x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u0103ng l\u00ean m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>13. C\u00e2u h\u1ecfi: C\u00f4ng c\u1ee5 n\u00e0o sau \u0111\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u cho kho d\u1eef li\u1ec7u?<br \/>\n    A. ER Diagram<br \/>\n    B. Star Schema<br \/>\n    C. Linear Regression<br \/>\n    D. Decision Trees<br \/>\n    \u0110\u00e1p \u00e1n: B<br \/>\n    Gi\u1ea3i th\u00edch: Star Schema l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ed5 bi\u1ebfn trong kho d\u1eef li\u1ec7u, gi\u00fap t\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n b\u1eb1ng c\u00e1ch t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u xung quanh m\u1ed9t b\u1ea3ng trung t\u00e2m (fact table) v\u00e0 c\u00e1c b\u1ea3ng v\u1ec7 tinh (dimension tables).<\/p>\n<p>14. C\u00e2u h\u1ecfi: Trong Data Engineering, l\u00fd do ch\u00ednh \u0111\u1ec3 s\u1eed d\u1ee5ng version control nh\u01b0 Git l\u00e0 g\u00ec?<br \/>\n    A. \u0110\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd d\u1eef li\u1ec7u<br \/>\n    B. \u0110\u1ec3 qu\u1ea3n l\u00fd v\u00e0 theo d\u00f5i thay \u0111\u1ed5i trong m\u00e3 ngu\u1ed3n v\u00e0 pipeline d\u1eef li\u1ec7u<br \/>\n    C. \u0110\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u00f4<br \/>\n    D. \u0110\u1ec3 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<br \/>\n    \u0110\u00e1p \u00e1n: B<br \/>\n    Gi\u1ea3i th\u00edch: Version control nh\u01b0 Git gi\u00fap theo d\u00f5i l\u1ecbch s\u1eed thay \u0111\u1ed5i, h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c th\u00e0nh vi\u00ean \u0111\u1ed9i ng\u0169, v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n trong ph\u00e1t tri\u1ec3n pipeline d\u1eef li\u1ec7u.<\/p>\n<p>15. C\u00e2u h\u1ecfi: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u1edbi Hadoop?<br \/>\n    A. MapReduce<br \/>\n    B. Sequential Processing<br \/>\n    C. Manual Sorting<br \/>\n    D. Cloud Storage Only<br \/>\n    \u0110\u00e1p \u00e1n: A<br \/>\n    Gi\u1ea3i th\u00edch: MapReduce l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh trong Hadoop \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn b\u1eb1ng c\u00e1ch ph\u00e2n t\u00e1n c\u00f4ng vi\u1ec7c th\u00e0nh c\u00e1c nhi\u1ec7m v\u1ee5 Map v\u00e0 Reduce, gi\u00fap x\u1eed l\u00fd song song hi\u1ec7u qu\u1ea3.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<h3 id = \"3\"> Ph\u1ea7n 3: C\u00f4ng c\u1ee5 t\u1ea1o c\u00e2u h\u1ecfi AI 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\");console.log(copyText.innerText);navigator.clipboard.writeText(copyText.innerText);\n}\nfunction myFunction1() {\n\u00a0  \u00a0 \u00a0 window.open(\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html\");\n\u00a0 }\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       });\ntippy('#genquestionsBtn', {\n        'content': \"Generate questions using AI for free\",\n         trigger: 'mouseenter'\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh v\u00e0 c\u00f4ng ngh\u1ec7 th\u00f4ng tin t\u1eadp trung v\u00e0o thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ph\u00e2n t\u00edch d\u1ef1a tr\u00ean d\u1eef li\u1ec7u. N\u00f3 li\u00ean quan \u0111\u1ebfn qu\u00e1 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":17015,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6049],"tags":[],"class_list":["post-67512","post","type-post","status-publish","format-standard","hentry","category-questions-answers-vi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/vi\/15-data-engineering-quiz-questions-and-answers-vi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"K\u1ef9 thu\u1eadt d\u1eef li\u1ec7u l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh v\u00e0 c\u00f4ng ngh\u1ec7 th\u00f4ng tin t\u1eadp trung v\u00e0o thi\u1ebft k\u1ebf, ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 ph\u00e2n t\u00edch d\u1ef1a tr\u00ean d\u1eef li\u1ec7u. 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