{"id":49059,"date":"2023-01-19T07:58:00","date_gmt":"2023-01-19T07:58:00","guid":{"rendered":"https:\/\/www.dumpsbase.com\/freedumps\/?p=49059"},"modified":"2023-01-12T07:58:34","modified_gmt":"2023-01-12T07:58:34","slug":"get-access-to-c100dev-exam-dumps-now-pass-mongodb-certified-developer-associate-exam-with-full-confidence","status":"publish","type":"post","link":"https:\/\/www.dumpsbase.com\/freedumps\/get-access-to-c100dev-exam-dumps-now-pass-mongodb-certified-developer-associate-exam-with-full-confidence.html","title":{"rendered":"Get Access To C100DEV Exam Dumps Now: Pass MongoDB Certified Developer Associate Exam With Full Confidence"},"content":{"rendered":"\n<p>You can choose to be a MongoDB Certified Developer Associate now. It validates your MongoDB developer skills by certifying your mastery of building modern applications with MongoDB. Are you preparing for the MongoDB Certified Developer Associate C100DEV exam? Look no further! Our newly released C100DEV exam dumps will give you the knowledge and confidence you need to pass the C100DEV exam with ease. Get access to MongoDB C100DEV exam dumps now to maximize your chances of success.<\/p>\n<h2>Try to check free MongoDB C100DEV demo questions first:<\/h2>\n<script>\n\t  window.fbAsyncInit = function() {\n\t    FB.init({\n\t      appId            : '622169541470367',\n\t      autoLogAppEvents : true,\n\t      xfbml            : true,\n\t      version          : 'v3.1'\n\t    });\n\t  };\n\t\n\t  (function(d, s, id){\n\t     var js, fjs = d.getElementsByTagName(s)[0];\n\t     if (d.getElementById(id)) {return;}\n\t     js = d.createElement(s); js.id = id;\n\t     js.src = \"https:\/\/connect.facebook.net\/en_US\/sdk.js\";\n\t     fjs.parentNode.insertBefore(js, fjs);\n\t   }(document, 'script', 'facebook-jssdk'));\n\t<\/script><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam6861\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dumpsbase.com\/freedumps\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-6861\"><\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-6861\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-246751'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>Why is MongoDB a NoSQL database?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='246751' \/><input type='hidden' id='answerType246751' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246751[]' id='answer-id-977650' class='answer   answerof-246751 ' value='977650'   \/><label for='answer-id-977650' id='answer-label-977650' class=' answer'><span>Because MongoDB uses a structured way to store and organize data (collections).<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246751[]' id='answer-id-977651' class='answer   answerof-246751 ' value='977651'   \/><label for='answer-id-977651' id='answer-label-977651' class=' answer'><span>Because MongoDB uses tables, rows and columns to organize data. <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246751[]' id='answer-id-977652' class='answer   answerof-246751 ' value='977652'   \/><label for='answer-id-977652' id='answer-label-977652' class=' answer'><span>Because MongoDB does not utilize tables, rows and columns to organize data.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-246752'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>What is the built-in database called local in MongoDB for?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='246752' \/><input type='hidden' id='answerType246752' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246752[]' id='answer-id-977653' class='answer   answerof-246752 ' value='977653'   \/><label for='answer-id-977653' id='answer-label-977653' class=' answer'><span>The local database plays an important role in the authentication and authorization process. Certain actions performed by administrators also require access to this database.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246752[]' id='answer-id-977654' class='answer   answerof-246752 ' value='977654'   \/><label for='answer-id-977654' id='answer-label-977654' class=' answer'><span>The local database is used to store information about shards in shared MongoDB cluster.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246752[]' id='answer-id-977655' class='answer   answerof-246752 ' value='977655'   \/><label for='answer-id-977655' id='answer-label-977655' class=' answer'><span>The local database stores data describing the MongoDB server. For replica sets, it also stores\r\ninformation about the replication process.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-246753'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>Which cursor method should you use to specify the maximum number of documents returned?<\/div><input type='hidden' name='question_id[]' id='qID_3' value='246753' \/><input type='hidden' id='answerType246753' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246753[]' id='answer-id-977656' class='answer   answerof-246753 ' value='977656'   \/><label for='answer-id-977656' id='answer-label-977656' class=' answer'><span>cursor.map()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246753[]' id='answer-id-977657' class='answer   answerof-246753 ' value='977657'   \/><label for='answer-id-977657' id='answer-label-977657' class=' answer'><span>cursor.limit()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246753[]' id='answer-id-977658' class='answer   answerof-246753 ' value='977658'   \/><label for='answer-id-977658' id='answer-label-977658' class=' answer'><span>cursor.skip()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246753[]' id='answer-id-977659' class='answer   answerof-246753 ' value='977659'   \/><label for='answer-id-977659' id='answer-label-977659' class=' answer'><span>cursor.hint()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246753[]' id='answer-id-977660' class='answer   answerof-246753 ' value='977660'   \/><label for='answer-id-977660' id='answer-label-977660' class=' answer'><span>cursor.count()<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-246754'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>What does it command do in the mongo shell?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='246754' \/><input type='hidden' id='answerType246754' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246754[]' id='answer-id-977661' class='answer   answerof-246754 ' value='977661'   \/><label for='answer-id-977661' id='answer-label-977661' class=' answer'><span>Iterates through the cursor results.\r\n<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246754[]' id='answer-id-977662' class='answer   answerof-246754 ' value='977662'   \/><label for='answer-id-977662' id='answer-label-977662' class=' answer'><span>Terminates the current query execution.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246754[]' id='answer-id-977663' class='answer   answerof-246754 ' value='977663'   \/><label for='answer-id-977663' id='answer-label-977663' class=' answer'><span>it is not a mongo shell command.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246754[]' id='answer-id-977664' class='answer   answerof-246754 ' value='977664'   \/><label for='answer-id-977664' id='answer-label-977664' class=' answer'><span>Displays cluster statistics.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-246755'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Which of the following commands will delete a collection named restaurants?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='246755' \/><input type='hidden' id='answerType246755' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246755[]' id='answer-id-977665' class='answer   answerof-246755 ' value='977665'   \/><label for='answer-id-977665' id='answer-label-977665' class=' answer'><span>db.restaurants.dropCollection()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246755[]' id='answer-id-977666' class='answer   answerof-246755 ' value='977666'   \/><label for='answer-id-977666' id='answer-label-977666' class=' answer'><span>db.restaurants.delete()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246755[]' id='answer-id-977667' class='answer   answerof-246755 ' value='977667'   \/><label for='answer-id-977667' id='answer-label-977667' class=' answer'><span>db.restaurants.remove()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246755[]' id='answer-id-977668' class='answer   answerof-246755 ' value='977668'   \/><label for='answer-id-977668' id='answer-label-977668' class=' answer'><span>db.restaurants.drop()<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-246756'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>Which cursor method should you use to force MongoDB to use a specific index for a query?<\/div><input type='hidden' name='question_id[]' id='qID_6' value='246756' \/><input type='hidden' id='answerType246756' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246756[]' id='answer-id-977669' class='answer   answerof-246756 ' value='977669'   \/><label for='answer-id-977669' id='answer-label-977669' class=' answer'><span>cursor.index()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246756[]' id='answer-id-977670' class='answer   answerof-246756 ' value='977670'   \/><label for='answer-id-977670' id='answer-label-977670' class=' answer'><span>cursor.hint()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246756[]' id='answer-id-977671' class='answer   answerof-246756 ' value='977671'   \/><label for='answer-id-977671' id='answer-label-977671' class=' answer'><span>cursor.explain()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246756[]' id='answer-id-977672' class='answer   answerof-246756 ' value='977672'   \/><label for='answer-id-977672' id='answer-label-977672' class=' answer'><span>cursor.use()<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-246757'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>Given the following MongoDB URI: mongodb+srv:\/\/datascientist34:ta33w9rd@xtr-187.srv.net\/admin Which of the following statements are true? (select 2)<\/div><input type='hidden' name='question_id[]' id='qID_7' value='246757' \/><input type='hidden' id='answerType246757' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246757[]' id='answer-id-977673' class='answer   answerof-246757 ' value='977673'   \/><label for='answer-id-977673' id='answer-label-977673' class=' answer'><span>There are 178 nodes in the xtr replica set.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246757[]' id='answer-id-977674' class='answer   answerof-246757 ' value='977674'   \/><label for='answer-id-977674' id='answer-label-977674' class=' answer'><span>The password used for authentication is xtr-178<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246757[]' id='answer-id-977675' class='answer   answerof-246757 ' value='977675'   \/><label for='answer-id-977675' id='answer-label-977675' class=' answer'><span>The password used for authentication is ta33w9rd<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246757[]' id='answer-id-977676' class='answer   answerof-246757 ' value='977676'   \/><label for='answer-id-977676' id='answer-label-977676' class=' answer'><span>The user datascientist34 is trying to authenticate on database admin.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-246758'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>There are some special databases in MongoDB that we cannot use to create a new database. Select those names.<\/div><input type='hidden' name='question_id[]' id='qID_8' value='246758' \/><input type='hidden' id='answerType246758' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246758[]' id='answer-id-977677' class='answer   answerof-246758 ' value='977677'   \/><label for='answer-id-977677' id='answer-label-977677' class=' answer'><span>admin<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246758[]' id='answer-id-977678' class='answer   answerof-246758 ' value='977678'   \/><label for='answer-id-977678' id='answer-label-977678' class=' answer'><span>local<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246758[]' id='answer-id-977679' class='answer   answerof-246758 ' value='977679'   \/><label for='answer-id-977679' id='answer-label-977679' class=' answer'><span>apps<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246758[]' id='answer-id-977680' class='answer   answerof-246758 ' value='977680'   \/><label for='answer-id-977680' id='answer-label-977680' class=' answer'><span>config<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246758[]' id='answer-id-977681' class='answer   answerof-246758 ' value='977681'   \/><label for='answer-id-977681' id='answer-label-977681' class=' answer'><span>users<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-246759'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>Given a companies collection where each document has the following structure:<br \/>\r\n{<br \/>\r\n_id: ObjectId('61a8b90c6d5ce6a7d8fef95e'),<br \/>\r\nname: 'Facebook',<br \/>\r\ntag_list: ['facebook', 'college', 'students', 'network'],<br \/>\r\ndescription: 'Social network'<br \/>\r\n}<br \/>\r\nWhich of the following commands will add new fields to the updated documents?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='246759' \/><input type='hidden' id='answerType246759' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977682' class='answer   answerof-246759 ' value='977682'   \/><label for='answer-id-977682' id='answer-label-977682' class=' answer'><span>db.companies.updateMany({ \"name\": \"Facebook\" },<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977683' class='answer   answerof-246759 ' value='977683'   \/><label for='answer-id-977683' id='answer-label-977683' class=' answer'><span>{ \"$push\": { \"tag_list\": \"media\" } })<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977684' class='answer   answerof-246759 ' value='977684'   \/><label for='answer-id-977684' id='answer-label-977684' class=' answer'><span>db.companies.updateMany({ \"name\": \"Facebook\" },<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977685' class='answer   answerof-246759 ' value='977685'   \/><label for='answer-id-977685' id='answer-label-977685' class=' answer'><span>{ \"$set\": { \"description\": \"Social media\" } })<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977686' class='answer   answerof-246759 ' value='977686'   \/><label for='answer-id-977686' id='answer-label-977686' class=' answer'><span>db.companies.updateMany({ \"name\": \"Facebook\" },<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246759[]' id='answer-id-977687' class='answer   answerof-246759 ' value='977687'   \/><label for='answer-id-977687' id='answer-label-977687' class=' answer'><span>{ \"$set\": { \"country\": \"USA\" } })<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-246760'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>Suppose you have a books collection with title field.<br \/>\r\nWhich of the following queries will return all books with a title ending in 'ian'?<\/div><input type='hidden' name='question_id[]' id='qID_10' value='246760' \/><input type='hidden' id='answerType246760' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246760[]' id='answer-id-977688' class='answer   answerof-246760 ' value='977688'   \/><label for='answer-id-977688' id='answer-label-977688' class=' answer'><span>db.movies.find( { title: { $regex: \/.*ian$\/ } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246760[]' id='answer-id-977689' class='answer   answerof-246760 ' value='977689'   \/><label for='answer-id-977689' id='answer-label-977689' class=' answer'><span>db.movies.find( { title: { $text: \/.*ian$\/ } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246760[]' id='answer-id-977690' class='answer   answerof-246760 ' value='977690'   \/><label for='answer-id-977690' id='answer-label-977690' class=' answer'><span>db.movies.find( { title: { $regex: \/.*ian\/ } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246760[]' id='answer-id-977691' class='answer   answerof-246760 ' value='977691'   \/><label for='answer-id-977691' id='answer-label-977691' class=' answer'><span>db.movies.find( { title: { $regex: \/ian\/ } } )<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-246761'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>Given a companies collection where each document has the following structure:<br \/>\r\n{<br \/>\r\n_id: ObjectId(\"52cdef7c4bab8bd675297efd\"),<br \/>\r\nname: 'ZoomInfo',<br \/>\r\nhomepage_url: 'http:\/\/www.zoominfo.com',<br \/>\r\nblog_url: 'http:\/\/zoominfoblogger.wordpress.com\/',<br \/>\r\ntwitter_username: 'ZoomInfo',<br \/>\r\nfounded_year: 2000,<br \/>\r\nemail_address: ''<br \/>\r\n}<br \/>\r\nExtract all companies from this collection that have the same Twitter username as the company name.<br \/>\r\nWhich query should you use?<\/div><input type='hidden' name='question_id[]' id='qID_11' value='246761' \/><input type='hidden' id='answerType246761' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246761[]' id='answer-id-977692' class='answer   answerof-246761 ' value='977692'   \/><label for='answer-id-977692' id='answer-label-977692' class=' answer'><span>db.companies.find( { $expr: { $ne: ['$name', '$twitter_username'] } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246761[]' id='answer-id-977693' class='answer   answerof-246761 ' value='977693'   \/><label for='answer-id-977693' id='answer-label-977693' class=' answer'><span>db.companies.find( { $expr: { $eq: ['$name', '$twitter_username'] } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246761[]' id='answer-id-977694' class='answer   answerof-246761 ' value='977694'   \/><label for='answer-id-977694' id='answer-label-977694' class=' answer'><span>db.companies.find( { $expr: { $eq: ['$name', 'twitter_username'] } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246761[]' id='answer-id-977695' class='answer   answerof-246761 ' value='977695'   \/><label for='answer-id-977695' id='answer-label-977695' class=' answer'><span>db.companies.find( { $expr: { $eq: ['name', 'twitter_username'] } } )<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-246762'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>Which of the following statements are true about the mongo shell? Check all that apply.<\/div><input type='hidden' name='question_id[]' id='qID_12' value='246762' \/><input type='hidden' id='answerType246762' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246762[]' id='answer-id-977696' class='answer   answerof-246762 ' value='977696'   \/><label for='answer-id-977696' id='answer-label-977696' class=' answer'><span>Mongo shell is a fully functioning JavaScript interpreter (which means that we can create things like JavaScript variables and functions in mongo shell).<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246762[]' id='answer-id-977697' class='answer   answerof-246762 ' value='977697'   \/><label for='answer-id-977697' id='answer-label-977697' class=' answer'><span>Mongo shell allows us to interact with MongoDB instance without using GUI.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246762[]' id='answer-id-977698' class='answer   answerof-246762 ' value='977698'   \/><label for='answer-id-977698' id='answer-label-977698' class=' answer'><span>The mongo shell doesn't return documents in sorted order by default.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246762[]' id='answer-id-977699' class='answer   answerof-246762 ' value='977699'   \/><label for='answer-id-977699' id='answer-label-977699' class=' answer'><span>You can get a sorted set of documents by using the sort() method.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-13' style=';'><div id='questionWrap-13'  class='   watupro-question-id-246763'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>Suppose you insert the following documents into companies collection:<br \/>\r\ndb.companies.insertMany([<br \/>\r\n{\"_id\": 1, \"name\": \"Facebook\"},<br \/>\r\n{\"_id\": 1, \"name\": \"Twitter\"},<br \/>\r\n{\"_id\": 2, \"name\": \"Tesla\"},<br \/>\r\n{\"_id\": 3, \"name\": \"Amazon\"}<br \/>\r\n], {\"ordered\": false})<br \/>\r\nSelect all true statements about this operation. (select 3)<\/div><input type='hidden' name='question_id[]' id='qID_13' value='246763' \/><input type='hidden' id='answerType246763' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246763[]' id='answer-id-977700' class='answer   answerof-246763 ' value='977700'   \/><label for='answer-id-977700' id='answer-label-977700' class=' answer'><span>Two documents will be inserted into the collection.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246763[]' id='answer-id-977701' class='answer   answerof-246763 ' value='977701'   \/><label for='answer-id-977701' id='answer-label-977701' class=' answer'><span>This insert is unordered.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246763[]' id='answer-id-977702' class='answer   answerof-246763 ' value='977702'   \/><label for='answer-id-977702' id='answer-label-977702' class=' answer'><span>Three documents will be inserted into the collection.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246763[]' id='answer-id-977703' class='answer   answerof-246763 ' value='977703'   \/><label for='answer-id-977703' id='answer-label-977703' class=' answer'><span>MongoDB will insert each document with a unique _id value into the collection.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246763[]' id='answer-id-977704' class='answer   answerof-246763 ' value='977704'   \/><label for='answer-id-977704' id='answer-label-977704' class=' answer'><span>One document will be inserted into the collection.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-14' style=';'><div id='questionWrap-14'  class='   watupro-question-id-246764'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>Which collection method do you need to use to drop a specific collection?<\/div><input type='hidden' name='question_id[]' id='qID_14' value='246764' \/><input type='hidden' id='answerType246764' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246764[]' id='answer-id-977705' class='answer   answerof-246764 ' value='977705'   \/><label for='answer-id-977705' id='answer-label-977705' class=' answer'><span>db.collection.drop()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246764[]' id='answer-id-977706' class='answer   answerof-246764 ' value='977706'   \/><label for='answer-id-977706' id='answer-label-977706' class=' answer'><span>db.collection.dropIndex()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246764[]' id='answer-id-977707' class='answer   answerof-246764 ' value='977707'   \/><label for='answer-id-977707' id='answer-label-977707' class=' answer'><span>db.collection.dropCollection()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246764[]' id='answer-id-977708' class='answer   answerof-246764 ' value='977708'   \/><label for='answer-id-977708' id='answer-label-977708' class=' answer'><span>db.collection.remove()<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-15' style=';'><div id='questionWrap-15'  class='   watupro-question-id-246765'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>Select all true statements about the update operation. (select 2)<\/div><input type='hidden' name='question_id[]' id='qID_15' value='246765' \/><input type='hidden' id='answerType246765' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246765[]' id='answer-id-977709' class='answer   answerof-246765 ' value='977709'   \/><label for='answer-id-977709' id='answer-label-977709' class=' answer'><span>update() method with the $set operator updates the first document that matches the query.\r\nB. <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246765[]' id='answer-id-977710' class='answer   answerof-246765 ' value='977710'   \/><label for='answer-id-977710' id='answer-label-977710' class=' answer'><span>If the field doesn't exist, updateOne() method with the $set operator will not add a new field with the specified value.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-246765[]' id='answer-id-977711' class='answer   answerof-246765 ' value='977711'   \/><label for='answer-id-977711' id='answer-label-977711' class=' answer'><span>updateOne() method with the $set operator updates an existing document field with the given value.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-16' style=';'><div id='questionWrap-16'  class='   watupro-question-id-246766'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>Suppose you have a sales collection with the following document structure:<br \/>\r\n{<br \/>\r\n_id: ObjectId(\"5bd761dcae323e45a93ccfe8\"),<br \/>\r\nsaleDate: ISODate(\"2015-03-23T21:06:49.506Z\"),<br \/>\r\nitems: [<br \/>\r\n{<br \/>\r\nname: 'printer paper',<br \/>\r\ntags: [ 'office', 'stationary' ],<br \/>\r\nprice: Decimal128(\"40.01\"),<br \/>\r\nquantity: 2<br \/>\r\n}<br \/>\r\n{<br \/>\r\nname: 'pens',<br \/>\r\ntags: [ 'writing', 'office', 'school', 'stationary' ],<br \/>\r\nprice: Decimal128(\"56.12\"),<br \/>\r\nquantity: 5<br \/>\r\n},<br \/>\r\n{<br \/>\r\nname: 'notepad',<br \/>\r\ntags: [ 'office', 'writing', 'school' ],<br \/>\r\nprice: Decimal128(\"18.47\"),<br \/>\r\nquantity: 2<br \/>\r\n}<br \/>\r\n],<br \/>\r\nstoreLocation: 'Denver',<br \/>\r\ncouponUsed: true,<br \/>\r\npurchaseMethod: 'Online'<br \/>\r\n}<br \/>\r\nWhich operator should you use to extract all sales documents that have 'notepad' name in items field?<\/div><input type='hidden' name='question_id[]' id='qID_16' value='246766' \/><input type='hidden' id='answerType246766' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246766[]' id='answer-id-977712' class='answer   answerof-246766 ' value='977712'   \/><label for='answer-id-977712' id='answer-label-977712' class=' answer'><span>$in<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246766[]' id='answer-id-977713' class='answer   answerof-246766 ' value='977713'   \/><label for='answer-id-977713' id='answer-label-977713' class=' answer'><span>$elemMatch<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246766[]' id='answer-id-977714' class='answer   answerof-246766 ' value='977714'   \/><label for='answer-id-977714' id='answer-label-977714' class=' answer'><span>$nin<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246766[]' id='answer-id-977715' class='answer   answerof-246766 ' value='977715'   \/><label for='answer-id-977715' id='answer-label-977715' class=' answer'><span>$match<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246766[]' id='answer-id-977716' class='answer   answerof-246766 ' value='977716'   \/><label for='answer-id-977716' id='answer-label-977716' class=' answer'><span>$all<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-17' style=';'><div id='questionWrap-17'  class='   watupro-question-id-246767'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>Suppose you have a developers collection with the following document structure:<br \/>\r\n{<br \/>\r\n_id: 1,<br \/>\r\nfname: 'Bob',<br \/>\r\nlname: 'Smith',<br \/>\r\ntech_stack: [ 'git', 'c++', 'sqlite', 'linux' ]<br \/>\r\n}<br \/>\r\nSelect a query that can be executed without errors.<\/div><input type='hidden' name='question_id[]' id='qID_17' value='246767' \/><input type='hidden' id='answerType246767' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246767[]' id='answer-id-977717' class='answer   answerof-246767 ' value='977717'   \/><label for='answer-id-977717' id='answer-label-977717' class=' answer'><span>db.developers.updateOne( { _id: 1 }, { $set: { _id: 3 } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246767[]' id='answer-id-977718' class='answer   answerof-246767 ' value='977718'   \/><label for='answer-id-977718' id='answer-label-977718' class=' answer'><span>db.developers.updateOne( { _id: 1 }, { $set: { fname: 'John' } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246767[]' id='answer-id-977719' class='answer   answerof-246767 ' value='977719'   \/><label for='answer-id-977719' id='answer-label-977719' class=' answer'><span>db.developers.updateOne( { _id: 1 }, { $unset: { _id: '' } } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246767[]' id='answer-id-977720' class='answer   answerof-246767 ' value='977720'   \/><label for='answer-id-977720' id='answer-label-977720' class=' answer'><span>db.developers.updateOne( { _id: 1 }, { $set: { _id: 3, fname: 'Bob' } } )<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-18' style=';'><div id='questionWrap-18'  class='   watupro-question-id-246768'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>Which of the following commands will add a collection that is stored in BSON file to a MongoDB cluster?<\/div><input type='hidden' name='question_id[]' id='qID_18' value='246768' \/><input type='hidden' id='answerType246768' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246768[]' id='answer-id-977721' class='answer   answerof-246768 ' value='977721'   \/><label for='answer-id-977721' id='answer-label-977721' class=' answer'><span>mongodump<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246768[]' id='answer-id-977722' class='answer   answerof-246768 ' value='977722'   \/><label for='answer-id-977722' id='answer-label-977722' class=' answer'><span>mongorestore<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246768[]' id='answer-id-977723' class='answer   answerof-246768 ' value='977723'   \/><label for='answer-id-977723' id='answer-label-977723' class=' answer'><span>mongoimport<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246768[]' id='answer-id-977724' class='answer   answerof-246768 ' value='977724'   \/><label for='answer-id-977724' id='answer-label-977724' class=' answer'><span>mongoexport<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-19' style=';'><div id='questionWrap-19'  class='   watupro-question-id-246769'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>In your database there is a movies collection with the following document structure:<br \/>\r\n{<br \/>\r\n_id: ObjectId(\"573a1390f29313caabcd42e8\"),<br \/>\r\ngenres: [ 'Short', 'Western' ],<br \/>\r\ntitle: 'The Great Train Robbery',<br \/>\r\nrated: 'TV-G',<br \/>\r\nyear: 1903,<br \/>\r\nimdb: { rating: 7.4, votes: 9847, id: 439 },<br \/>\r\ncountries: [ 'USA' ]<br \/>\r\n},<br \/>\r\n{<br \/>\r\n_id: ObjectId(\"573a1390f29313caabcd4323\"),<br \/>\r\ngenres: [ 'Short', 'Drama', 'Fantasy' ],<br \/>\r\nrated: 'UNRATED',<br \/>\r\ntitle: 'The Land Beyond the Sunset',<br \/>\r\nyear: 1912,<br \/>\r\nimdb: { rating: 7.1, votes: 448, id: 488 },<br \/>\r\ncountries: [ 'USA' ]<br \/>\r\n}<br \/>\r\nWhich of the following queries will return only the title for the five oldest movies in this collection?<\/div><input type='hidden' name='question_id[]' id='qID_19' value='246769' \/><input type='hidden' id='answerType246769' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246769[]' id='answer-id-977725' class='answer   answerof-246769 ' value='977725'   \/><label for='answer-id-977725' id='answer-label-977725' class=' answer'><span>db.movies.find( {}, { title: 1, _id: 0 } ).sort( { year: 1 } ).skip(5).limit(5)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246769[]' id='answer-id-977726' class='answer   answerof-246769 ' value='977726'   \/><label for='answer-id-977726' id='answer-label-977726' class=' answer'><span>db.movies.find( {}, { title: 1, _id: 0 } ).sort( { year: 1 } ).limit(5)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246769[]' id='answer-id-977727' class='answer   answerof-246769 ' value='977727'   \/><label for='answer-id-977727' id='answer-label-977727' class=' answer'><span>db.movies.find( {}, { title: 1 } ).sort( { year: 1 } ).limit(5)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246769[]' id='answer-id-977728' class='answer   answerof-246769 ' value='977728'   \/><label for='answer-id-977728' id='answer-label-977728' class=' answer'><span>db.movies.find( {}, { title: 1, _id: 0 } ).sort( { year: 1 } ).skip(5)<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-20' style=';'><div id='questionWrap-20'  class='   watupro-question-id-246770'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>Given a movies collection where each document has the following structure:<br \/>\r\n{<br \/>\r\n_id: ObjectId('573a1390f29313caabcd60e4'),<br \/>\r\ngenres: [ 'Short', 'Comedy', 'Drama' ],<br \/>\r\ntitle: 'The Immigrant',<br \/>\r\nyear: 1917,<br \/>\r\nimdb: { rating: 7.8, votes: 4680, id: 8133 },<br \/>\r\ncountries: [ 'USA' ]<br \/>\r\n}<br \/>\r\nWhich of the following queries will find all movies that were made in 2000 or 2010?<\/div><input type='hidden' name='question_id[]' id='qID_20' value='246770' \/><input type='hidden' id='answerType246770' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246770[]' id='answer-id-977729' class='answer   answerof-246770 ' value='977729'   \/><label for='answer-id-977729' id='answer-label-977729' class=' answer'><span>db.movies.find( { $or: [ { year: 2000 }, { year: 2010 } ] } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246770[]' id='answer-id-977730' class='answer   answerof-246770 ' value='977730'   \/><label for='answer-id-977730' id='answer-label-977730' class=' answer'><span>db.movies.find( { year: 2000, year: 2010 } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246770[]' id='answer-id-977731' class='answer   answerof-246770 ' value='977731'   \/><label for='answer-id-977731' id='answer-label-977731' class=' answer'><span>db.movies.find( { $and: [ { year: 2000 }, { year: 2010 } ] } )<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-246770[]' id='answer-id-977732' class='answer   answerof-246770 ' value='977732'   \/><label for='answer-id-977732' id='answer-label-977732' class=' answer'><span>db.movies.find( { $in: [ { year: 2000 }, { year: 2010 } ] } )<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-21'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dumpsbase.com\/freedumps\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons6861\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\" 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