{"id":69112,"date":"2025-08-01T13:14:00","date_gmt":"2025-08-01T13:14:00","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=69112"},"modified":"2025-08-28T15:08:54","modified_gmt":"2025-08-28T15:08:54","slug":"15-data-engineering-quiz-questions-and-answers-ro","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/ro\/15-data-engineering-quiz-questions-and-answers-ro\/","title":{"rendered":"15 \u00centreb\u0103ri \u0219i r\u0103spunsuri privind teste de inginerie de date"},"content":{"rendered":"<p>Ingineria datelor este un domeniu de informatic\u0103 \u0219i tehnologie informa\u021bional\u0103 care se concentreaz\u0103 pe proiectarea, dezvoltarea \u0219i gestionarea conductelor de date \u0219i a infrastructurii pentru a sprijini aplica\u021bii \u0219i analize bazate pe date. Aceasta implic\u0103 procesul de colectare, transformare \u0219i stocare a datelor \u00eentr -un mod care s\u0103 permit\u0103 procesarea \u0219i analiza eficient\u0103 a datelor.<\/p>\n<p>Ingineria datelor este un aspect crucial al ciclului de via\u021b\u0103 al datelor, deoarece asigur\u0103 c\u0103 datele sunt fiabile, accesibile \u0219i gata de analiz\u0103 de c\u0103tre oamenii de \u0219tiin\u021b\u0103 de date, anali\u0219ti \u0219i alte p\u0103r\u021bi interesate. Inginerii de date lucreaz\u0103 \u00eendeaproape cu oamenii de \u0219tiin\u021b\u0103 de date, administratorii bazelor de date \u0219i dezvoltatorii de software pentru a construi \u0219i men\u021bine conducte de date, baze de date \u0219i depozite de date.<\/p>\n<h3> Prezentare general\u0103 a articolului <\/h3>\n<ul class=\"article_list\">\n<li> <a href = \"#1\"> Partea 1: OnlineExammaker &#8211; Genera\u021bi \u0219i partaja\u021bi testul de inginerie a datelor cu AI automat <\/a> <\/li>\n<li> <a href = \"#2\"> Partea 2: 15 \u00centreb\u0103ri \u0219i r\u0103spunsuri pentru inginerie de date <\/a> <\/li>\n<li> <a href = \"#3\"> Partea 3: OnlineExammaker AI Generator de \u00eentreb\u0103ri: Genera\u021bi \u00eentreb\u0103ri pentru orice subiect <\/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\"> Partea 1: OnlineExammaker &#8211; Genera\u021bi \u0219i partaja\u021bi testul de inginerie a datelor cu AI automat <\/h3>\n<p>Cea mai rapid\u0103 modalitate de a evalua cuno\u0219tin\u021bele de inginerie a datelor despre candida\u021bi este utilizarea unei platforme de evaluare AI precum OnlineExammaker. Cu OnlineExammaker AI Generator de \u00eentreb\u0103ri, pute\u021bi introduce con\u021binut-cum ar fi text, documente sau subiecte-\u0219i apoi s\u0103 genera\u021bi automat \u00eentreb\u0103ri \u00een diferite formate (de exemplu, alegere multipl\u0103, adev\u0103rat\u0103\/fals\u0103, r\u0103spuns scurt). Gradul s\u0103u de examen AI poate clasifica automat examenul \u0219i poate genera rapoarte perspicace dup\u0103 ce candidatul dvs. depune evaluarea.<\/p>\n<p><strong> ce \u00ee\u021bi va pl\u0103cea: <\/strong><br \/>\n\u25cf Crea\u021bi un grup de \u00eentreb\u0103ri prin intermediul B\u0103ncii de \u00eentreb\u0103ri \u0219i specifica\u021bi c\u00e2te \u00eentreb\u0103ri dori\u021bi s\u0103 fi\u021bi selecta\u021bi la \u00eent\u00e2mplare printre aceste \u00eentreb\u0103ri.<br \/>\n\u25cf Permite prelep\u0103torului de testare s\u0103 r\u0103spund\u0103 prin \u00eenc\u0103rcarea video sau a unui document Word, ad\u0103ugarea unei imagini \u0219i \u00eenregistrarea unui fi\u0219ier audio.<br \/>\n\u25cf Afi\u0219a\u021bi feedback -ul pentru r\u0103spunsuri corecte sau incorecte instantaneu dup\u0103 ce se r\u0103spunde la o \u00eentrebare.<br \/>\n\u25cf Crea\u021bi un formular de generare de plumb pentru a colecta informa\u021biile unui examen, cum ar fi e -mailul, telefonul mobil, titlul de lucru, profilul companiei \u0219i a\u0219a mai departe.<\/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;\">Genera\u021bi automat \u00eentreb\u0103ri folosind 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\">Generator de \u00eentreb\u0103ri AI<\/a><\/div>\n<div class=\"p-style-b\">Genera\u021bi \u00eentreb\u0103ri pentru orice subiect<\/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\"> Crea\u021bi un test<\/a><\/div>\n<div class=\"p-style-b\">100% gratuit pentru totdeauna<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id = \"2\"> Partea 2: 15 \u00centreb\u0103ri despre testare a ingineriei datelor \u0219i r\u0103spunsuri <\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copia\u021bi \u00eentreb\u0103rile<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Genera\u021bi \u00eentreb\u0103ri folosind AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. \u00centrebare: Ce reprezint\u0103 ETL \u00een inginerie de date?<br \/>\n   Op\u021biuni:<br \/>\n   A. Extract, Transform, Load<br \/>\n   B. Enter, Transfer, Log<br \/>\n   C. Export, Translate, Link<br \/>\n   D. Edit, Track, Launch<br \/>\n   R\u0103spuns corect: A<br \/>\n   Explica\u021bie: ETL este un proces fundamental care implic\u0103 extragerea datelor din surse, transformarea lor pentru a se potrivi cu formatul dorit \u0219i \u00eenc\u0103rcarea \u00een destina\u021bii precum depozite de date, asigur\u00e2nd integritatea \u0219i utilizabilitatea datelor.  <\/p>\n<p>2. \u00centrebare: Care este diferen\u021ba principal\u0103 dintre OLTP \u0219i OLAP?<br \/>\n   Op\u021biuni:<br \/>\n   A. OLTP este pentru analize, iar OLAP pentru tranzac\u021bii<br \/>\n   B. OLTP este pentru tranzac\u021bii opera\u021bionale, iar OLAP pentru analize multidimensionale<br \/>\n   C. Ambele sunt identice<br \/>\n   D. OLTP gestioneaz\u0103 stocarea, iar OLAP procesarea<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: OLTP (Online Transaction Processing) gestioneaz\u0103 tranzac\u021bii zilnice rapide \u0219i opera\u021bionale, \u00een timp ce OLAP (Online Analytical Processing) permite analize complexe \u0219i interog\u0103ri pe volume mari de date istorice pentru raportare.  <\/p>\n<p>3. \u00centrebare: Care este rolul principal al Apache Hadoop \u00een inginerie de date?<br \/>\n   Op\u021biuni:<br \/>\n   A. Procesare \u00een timp real a datelor<br \/>\n   B. Stocare \u0219i procesare distribuit\u0103 a datelor mari<br \/>\n   C. Dezvoltare de aplica\u021bii web<br \/>\n   D. Securitate cibernetic\u0103<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Hadoop este un framework open-source care permite stocarea \u0219i procesarea eficient\u0103 a datelor mari (big data) pe clustere de calculatoare, utiliz\u00e2nd HDFS pentru stocare \u0219i MapReduce pentru procesare.  <\/p>\n<p>4. \u00centrebare: Ce este un data warehouse?<br \/>\n   Op\u021biuni:<br \/>\n   A. Un sistem pentru stocarea datelor tranzac\u021bionale \u00een timp real<br \/>\n   B. Un depozit centralizat de date structurate pentru analize<br \/>\n   C. Un instrument pentru procesarea streaming<br \/>\n   D. Un format de fi\u0219ier pentru big data<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Un data warehouse este un sistem de stocare centralizat care colecteaz\u0103, integreaz\u0103 \u0219i organizeaz\u0103 date din diverse surse pentru a facilita analizele de afaceri, raport\u0103rile \u0219i luarea deciziilor.  <\/p>\n<p>5. \u00centrebare: Care este avantajul principal al utiliz\u0103rii Apache Spark fa\u021b\u0103 de Hadoop MapReduce?<br \/>\n   Op\u021biuni:<br \/>\n   A. Spark este mai lent, dar mai ieftin<br \/>\n   B. Spark ofer\u0103 procesare \u00een memorie \u0219i mai rapid\u0103<br \/>\n   C. Spark nu suport\u0103 procesarea distribuit\u0103<br \/>\n   D. Spark este doar pentru date mici<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Spark \u00eembun\u0103t\u0103\u021be\u0219te performan\u021ba prin procesarea \u00een memorie, permi\u021b\u00e2nd execu\u021bii mai rapide dec\u00e2t MapReduce, care scrie datele pe disc, f\u0103c\u00e2ndu-l ideal pentru sarcini iterabile \u0219i analize complexe.  <\/p>\n<p>6. \u00centrebare: Ce este un data lake?<br \/>\n   Op\u021biuni:<br \/>\n   A. Un depozit de date structurate pentru tranzac\u021bii<br \/>\n   B. Un repository care stocheaz\u0103 date \u00een format brut, de la structurate la nestructurate<br \/>\n   C. Un sistem doar pentru analize \u00een timp real<br \/>\n   D. Un tip de baz\u0103 de date SQL<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Un data lake permite stocarea datelor \u00een formatul lor original, f\u0103r\u0103 preprocesare, facilit\u00e2nd accesul flexibil pentru analize ulterioare, spre deosebire de un data warehouse care impune structuri rigide.  <\/p>\n<p>7. \u00centrebare: Care este scopul principal al Kafka \u00een inginerie de date?<br \/>\n   Op\u021biuni:<br \/>\n   A. Procesare batch a datelor<br \/>\n   B. Flux de mesaje pentru streaming \u00een timp real<br \/>\n   C. Stocare securizat\u0103 a datelor<br \/>\n   D. Dezvoltare de interfe\u021be utilizator<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Kafka este un sistem de mesaje distribuit care gestioneaz\u0103 fluxuri de date \u00een timp real, permi\u021b\u00e2nd producerea, stocarea \u0219i consumul de evenimente la scar\u0103 mare, esen\u021bial pentru aplica\u021bii de streaming.  <\/p>\n<p>8. \u00centrebare: Care este diferen\u021ba dintre SQL \u0219i NoSQL?<br \/>\n   Op\u021biuni:<br \/>\n   A. SQL este doar pentru date structurate, iar NoSQL pentru toate tipurile<br \/>\n   B. SQL utilizeaz\u0103 tabele rela\u021bionale, iar NoSQL folose\u0219te modele precum cheie-valoare sau documente<br \/>\n   C. Nu exist\u0103 diferen\u021be<br \/>\n   D. SQL este mai lent dec\u00e2t NoSQL<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: SQL (Structured Query Language) este folosit pentru baze de date rela\u021bionale cu scheme fixe, \u00een timp ce NoSQL ofer\u0103 flexibilitate pentru date nestructurate sau semi-structurate, scal\u00e2nd mai bine pentru big data.  <\/p>\n<p>9. \u00centrebare: Ce include conceptul de data governance?<br \/>\n   Op\u021biuni:<br \/>\n   A. Doar securitatea datelor<br \/>\n   B. Politici, proceduri \u0219i standarde pentru managementul datelor<br \/>\n   C. Numai analiza datelor<br \/>\n   D. Dezvoltarea de aplica\u021bii<br \/>\n   R\u0103spuns corect: B<br \/>\n   Explica\u021bie: Data governance implic\u0103 un cadru pentru asigurarea calit\u0103\u021bii, securit\u0103\u021bii, conformit\u0103\u021bii \u0219i accesului la date, ajut\u00e2nd organiza\u021biile s\u0103 gestioneze riscurile \u0219i s\u0103 maximizeze valoarea datelor.  <\/p>\n<p>10. \u00centrebare: Care este rolul principal al AWS Glue \u00een cloud data engineering?<br \/>\n    Op\u021biuni:<br \/>\n    A. Stocare de obiecte<br \/>\n    B. ETL automatizat pentru date<br \/>\n    C. Procesare \u00een timp real<br \/>\n    D. Monitorizare servere<br \/>\n    R\u0103spuns corect: B<br \/>\n    Explica\u021bie: AWS Glue este un serviciu serverless care automatizeaz\u0103 procesele ETL, gener\u00e2nd cod pentru extragere, transformare \u0219i \u00eenc\u0103rcare de date, facilit\u00e2nd integrarea \u00een ecosistemul AWS.  <\/p>\n<p>11. \u00centrebare: De ce este important\u0103 scalabilitatea \u00een inginerie de date?<br \/>\n    Op\u021biuni:<br \/>\n    A. Pentru a reduce costurile<br \/>\n    B. Pentru a gestiona cre\u0219terea volumului de date f\u0103r\u0103 \u00eentreruperi<br \/>\n    C. Pentru a simplifica interfa\u021ba utilizatorului<br \/>\n    D. Pentru a ignora securitatea<br \/>\n    R\u0103spuns corect: B<br \/>\n    Explica\u021bie: Scalabilitatea permite sistemelor de date s\u0103 se adapteze la volume cresc\u00e2nde de date \u0219i cereri, asigur\u00e2nd performan\u021b\u0103 constant\u0103 \u0219i evit\u00e2nd blocajele \u00een procesarea big data.  <\/p>\n<p>12. \u00centrebare: Ce este un pipeline de date?<br \/>\n    Op\u021biuni:<br \/>\n    A. Un flux secven\u021bial de procesare a datelor<br \/>\n    B. Un tip de baz\u0103 de date<br \/>\n    C. Doar un raport<br \/>\n    D. Un instrument de vizualizare<br \/>\n    R\u0103spuns corect: A<br \/>\n    Explica\u021bie: Un pipeline de date este un flux automatizat care include etape precum extragerea, transformarea, validarea \u0219i \u00eenc\u0103rcarea datelor, asigur\u00e2nd un flux eficient de la surs\u0103 la destina\u021bie.  <\/p>\n<p>13. \u00centrebare: Care este diferen\u021ba dintre batch processing \u0219i streaming processing?<br \/>\n    Op\u021biuni:<br \/>\n    A. Batch processing este \u00een timp real, iar streaming nu<br \/>\n    B. Batch processing proceseaz\u0103 date \u00een loturi, iar streaming le proceseaz\u0103 continuu<br \/>\n    C. Ambele sunt identice<br \/>\n    D. Streaming este doar pentru date mici<br \/>\n    R\u0103spuns corect: B<br \/>\n    Explica\u021bie: Batch processing gestioneaz\u0103 date \u00een blocuri programate, ideal pentru volume mari, \u00een timp ce streaming processing trateaz\u0103 date \u00een timp real, pe m\u0103sur\u0103 ce sunt generate, pentru aplica\u021bii reactive.  <\/p>\n<p>14. \u00centrebare: Ce implic\u0103 data integration?<br \/>\n    Op\u021biuni:<br \/>\n    A. Doar copierea datelor<br \/>\n    B. Combinarea datelor din surse multiple \u00eentr-un format unificat<br \/>\n    C. \u0218tergerea datelor vechi<br \/>\n    D. Numai analiza statistic\u0103<br \/>\n    R\u0103spuns corect: B<br \/>\n    Explica\u021bie: Data integration implic\u0103 combinarea \u0219i armonizarea datelor din diverse surse pentru a crea o vedere coerent\u0103, esen\u021bial\u0103 pentru analize precise \u0219i decizii informate.  <\/p>\n<p>15. \u00centrebare: Care este un principiu cheie al eticii \u00een inginerie de date?<br \/>\n    Op\u021biuni:<br \/>\n    A. Confiden\u021bialitatea \u0219i protec\u021bia datelor personale<br \/>\n    B. Ignorarea regulamentelor<br \/>\n    C. Doar maximizarea profitului<br \/>\n    D. Limitarea accesului la date<br \/>\n    R\u0103spuns corect: A<br \/>\n    Explica\u021bie: Etica \u00een inginerie de date subliniaz\u0103 protec\u021bia confiden\u021bialit\u0103\u021bii, evitarea abuzurilor \u0219i conformitatea cu legi precum GDPR, pentru a asigura utilizarea responsabil\u0103 a datelor.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copia\u021bi \u00eentreb\u0103rile<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Genera\u021bi \u00eentreb\u0103ri folosind AI<\/button><\/p>\n<h3 id = \"3\"> Partea 3: OnlineExammaker AI Generator de \u00eentreb\u0103ri: Genera\u021bi \u00eentreb\u0103ri pentru orice subiect <\/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;\">Genera\u021bi automat \u00eentreb\u0103ri folosind 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\">Generator de \u00eentreb\u0103ri AI<\/a><\/div>\n<div class=\"p-style-b\">Genera\u021bi \u00eentreb\u0103ri pentru orice subiect<\/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\"> Crea\u021bi un test<\/a><\/div>\n<div class=\"p-style-b\">100% gratuit pentru totdeauna<\/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>Ingineria datelor este un domeniu de informatic\u0103 \u0219i tehnologie informa\u021bional\u0103 care se concentreaz\u0103 pe proiectarea, dezvoltarea \u0219i gestionarea conductelor de date \u0219i a infrastructurii pentru a sprijini aplica\u021bii \u0219i analize bazate pe date. Aceasta implic\u0103 procesul de colectare, transformare \u0219i stocare a datelor \u00eentr -un mod care s\u0103 permit\u0103 procesarea \u0219i analiza eficient\u0103 a datelor. [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":17015,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6059],"tags":[],"class_list":["post-69112","post","type-post","status-publish","format-standard","hentry","category-questions-answers-ro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15 \u00centreb\u0103ri \u0219i r\u0103spunsuri privind teste de inginerie de date - 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\/ro\/15-data-engineering-quiz-questions-and-answers-ro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15 \u00centreb\u0103ri \u0219i r\u0103spunsuri privind teste de inginerie de date - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"Ingineria datelor este un domeniu de informatic\u0103 \u0219i tehnologie informa\u021bional\u0103 care se concentreaz\u0103 pe proiectarea, dezvoltarea \u0219i gestionarea conductelor de date \u0219i a infrastructurii pentru a sprijini aplica\u021bii \u0219i analize bazate pe date. Aceasta implic\u0103 procesul de colectare, transformare \u0219i stocare a datelor \u00eentr -un mod care s\u0103 permit\u0103 procesarea \u0219i analiza eficient\u0103 a datelor. 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