{"id":39823,"date":"2022-06-14T01:35:48","date_gmt":"2022-06-14T01:35:48","guid":{"rendered":"https:\/\/www.dumpsbase.com\/freedumps\/?p=39823"},"modified":"2022-06-14T01:35:53","modified_gmt":"2022-06-14T01:35:53","slug":"useful-aca-developer-exam-dumps-updated-in-2022-for-completing-aca-developer-certification","status":"publish","type":"post","link":"https:\/\/www.dumpsbase.com\/freedumps\/useful-aca-developer-exam-dumps-updated-in-2022-for-completing-aca-developer-certification.html","title":{"rendered":"Useful ACA-Developer Exam Dumps [Updated In 2022] For Completing ACA Developer Certification"},"content":{"rendered":"\n<p>The ACA Developer Certification ACA-Developer is a very valuable exam for individuals who hold development positions and use Alibaba Cloud products to manage and maintain Alibaba Cloud-based applications. The useful ACA-Developer exam dumps have been updated in 2022 by the top team of DumpsBase to provide individuals with 95 practice questions and answers for completing the ACA Developer Certification ACA-Developer exam. Prepare with your ACA-Developer ACA Developer Certification when you find time at any place you want. The ACA-Developer exam dumps questions will save you valuable time in the preparation of the ACA-Developer Exam.<\/p>\n<h2>Read <em><span style=\"background-color: #00ffff;\">Free ACA-Developer Dumps Questions &amp; Answers<\/span><\/em> Below<\/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=\"submittingExam6331\" 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-6331\"><\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-6331\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-221715'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>In order to have your applications interact with Alibaba Cloud RabbitMQ, you need to create related MQ resources first. <br \/>\r<br>Which of the following resources must be created? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_1' value='221715' \/><input type='hidden' id='answerType221715' 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-221715[]' id='answer-id-882807' class='answer   answerof-221715 ' value='882807'   \/><label for='answer-id-882807' id='answer-label-882807' class=' answer'><span>Vhost<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221715[]' id='answer-id-882808' class='answer   answerof-221715 ' value='882808'   \/><label for='answer-id-882808' id='answer-label-882808' class=' answer'><span>Exchange<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221715[]' id='answer-id-882809' class='answer   answerof-221715 ' value='882809'   \/><label for='answer-id-882809' id='answer-label-882809' class=' answer'><span>Queue<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221715[]' id='answer-id-882810' class='answer   answerof-221715 ' value='882810'   \/><label for='answer-id-882810' id='answer-label-882810' class=' answer'><span>Broker<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221715[]' id='answer-id-882811' class='answer   answerof-221715 ' value='882811'   \/><label for='answer-id-882811' id='answer-label-882811' class=' answer'><span>Topic<\/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-221716'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>During the process of backing up an RDS database, a developer found that the backup failed. <br \/>\r<br>What might cause this to happen?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='221716' \/><input type='hidden' id='answerType221716' 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-221716[]' id='answer-id-882812' class='answer   answerof-221716 ' value='882812'   \/><label for='answer-id-882812' id='answer-label-882812' class=' answer'><span>The database instance is not stopped<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221716[]' id='answer-id-882813' class='answer   answerof-221716 ' value='882813'   \/><label for='answer-id-882813' id='answer-label-882813' class=' answer'><span>DDL operations were performed during the backup<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221716[]' id='answer-id-882814' class='answer   answerof-221716 ' value='882814'   \/><label for='answer-id-882814' id='answer-label-882814' class=' answer'><span>DML operations were performed during the backup<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221716[]' id='answer-id-882815' class='answer   answerof-221716 ' value='882815'   \/><label for='answer-id-882815' id='answer-label-882815' class=' answer'><span>DCL operations were performed during the backup<\/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-221717'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_3' value='221717' \/><input type='hidden' id='answerType221717' 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-221717[]' id='answer-id-882816' class='answer   answerof-221717 ' value='882816'   \/><label for='answer-id-882816' id='answer-label-882816' class=' answer'><span>Through the STS service, RAM users or RAM roles can obtain a temporary token that allows them to call the Alibaba Cloud API or use the web console<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221717[]' id='answer-id-882817' class='answer   answerof-221717 ' value='882817'   \/><label for='answer-id-882817' id='answer-label-882817' class=' answer'><span>A STS request consists of an access address, communication protocol, request method, request parameters and character encoding<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221717[]' id='answer-id-882818' class='answer   answerof-221717 ' value='882818'   \/><label for='answer-id-882818' id='answer-label-882818' class=' answer'><span>When calling the STS API, in order to ensure the safe calling of the API, Alibaba Cloud will authenticate each API request through a signature when each API call is made<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221717[]' id='answer-id-882819' class='answer   answerof-221717 ' value='882819'   \/><label for='answer-id-882819' id='answer-label-882819' class=' answer'><span>The STS service supports the use of both HTTP and HTTPS protocols<\/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-221718'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>When a developer calls the Alibaba Cloud SDK to access Elastic Compute Service (ECS), the following error is returned; RealNameAuthenticationError <br \/>\r<br>What is the possible cause?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='221718' \/><input type='hidden' id='answerType221718' 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-221718[]' id='answer-id-882820' class='answer   answerof-221718 ' value='882820'   \/><label for='answer-id-882820' id='answer-label-882820' class=' answer'><span>The ECS instance name violates the ECS service's naming conventions.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221718[]' id='answer-id-882821' class='answer   answerof-221718 ' value='882821'   \/><label for='answer-id-882821' id='answer-label-882821' class=' answer'><span>The ECS instance name conflicts with other instance names.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221718[]' id='answer-id-882822' class='answer   answerof-221718 ' value='882822'   \/><label for='answer-id-882822' id='answer-label-882822' class=' answer'><span>The user's Alibaba Cloud account has not passed real name authentication<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221718[]' id='answer-id-882823' class='answer   answerof-221718 ' value='882823'   \/><label for='answer-id-882823' id='answer-label-882823' class=' answer'><span>The API callers account and password are not authorized for ECS access.<\/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-221719'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Serverless Workflow allows you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. <br \/>\r<br>Which of the following service integration modes is not supported by Serverless Workflow?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='221719' \/><input type='hidden' id='answerType221719' 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-221719[]' id='answer-id-882824' class='answer   answerof-221719 ' value='882824'   \/><label for='answer-id-882824' id='answer-label-882824' class=' answer'><span>Request response mode<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221719[]' id='answer-id-882825' class='answer   answerof-221719 ' value='882825'   \/><label for='answer-id-882825' id='answer-label-882825' class=' answer'><span>Synchronization mode<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221719[]' id='answer-id-882826' class='answer   answerof-221719 ' value='882826'   \/><label for='answer-id-882826' id='answer-label-882826' class=' answer'><span>Asynchronous mode<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221719[]' id='answer-id-882827' class='answer   answerof-221719 ' value='882827'   \/><label for='answer-id-882827' id='answer-label-882827' class=' answer'><span>Waiting for callback mode<\/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-221720'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>It should be possible to process video in parallel at scale, to ensure that videos are preprocessed in a reasonable amount of time. <br \/>\r<br>Which of the following Alibaba Cloud applications can be combined to provide a low operation and maintenance burden and relatively low operating costs? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_6' value='221720' \/><input type='hidden' id='answerType221720' 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-221720[]' id='answer-id-882828' class='answer   answerof-221720 ' value='882828'   \/><label for='answer-id-882828' id='answer-label-882828' class=' answer'><span>Serverless Workflow<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221720[]' id='answer-id-882829' class='answer   answerof-221720 ' value='882829'   \/><label for='answer-id-882829' id='answer-label-882829' class=' answer'><span>Function Compute<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221720[]' id='answer-id-882830' class='answer   answerof-221720 ' value='882830'   \/><label for='answer-id-882830' id='answer-label-882830' class=' answer'><span>Log Service<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221720[]' id='answer-id-882831' class='answer   answerof-221720 ' value='882831'   \/><label for='answer-id-882831' id='answer-label-882831' class=' answer'><span>Elastic Compute Service (ECS)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221720[]' id='answer-id-882832' class='answer   answerof-221720 ' value='882832'   \/><label for='answer-id-882832' id='answer-label-882832' class=' answer'><span>Server Load Balancer (SLB)<\/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-221721'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>A Developer is asked to implement a caching layer in front of RDS. Cached content is expensive to regenerate in case of service failure. <br \/>\r<br>Which implementation below would work while maintaining maximum uptime?<\/div><input type='hidden' name='question_id[]' id='qID_7' value='221721' \/><input type='hidden' id='answerType221721' 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-221721[]' id='answer-id-882833' class='answer   answerof-221721 ' value='882833'   \/><label for='answer-id-882833' id='answer-label-882833' class=' answer'><span>Implement ApsaraDB for Redis in Cluster Mode<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221721[]' id='answer-id-882834' class='answer   answerof-221721 ' value='882834'   \/><label for='answer-id-882834' id='answer-label-882834' class=' answer'><span>Install Redis on an ECS instance<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221721[]' id='answer-id-882835' class='answer   answerof-221721 ' value='882835'   \/><label for='answer-id-882835' id='answer-label-882835' class=' answer'><span>Implement ApsaraDB for Redis in Standard Mode<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221721[]' id='answer-id-882836' class='answer   answerof-221721 ' value='882836'   \/><label for='answer-id-882836' id='answer-label-882836' class=' answer'><span>Migrate the ROS database to HBase to save the cache layer<\/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-221722'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>You can use Alibaba Cloud Data transmission service (DTS) or the open source tool Redis-shake to migrate and synchronize data from a local Redis instance to an Alibaba Cloud Redis instance. <br \/>\r<br>What is one feature which DTS has but Redis-shake does not?<\/div><input type='hidden' name='question_id[]' id='qID_8' value='221722' \/><input type='hidden' id='answerType221722' 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-221722[]' id='answer-id-882837' class='answer   answerof-221722 ' value='882837'   \/><label for='answer-id-882837' id='answer-label-882837' class=' answer'><span>Full data migration<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221722[]' id='answer-id-882838' class='answer   answerof-221722 ' value='882838'   \/><label for='answer-id-882838' id='answer-label-882838' class=' answer'><span>Incremental data migration<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221722[]' id='answer-id-882839' class='answer   answerof-221722 ' value='882839'   \/><label for='answer-id-882839' id='answer-label-882839' class=' answer'><span>One-way data synchronization<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221722[]' id='answer-id-882840' class='answer   answerof-221722 ' value='882840'   \/><label for='answer-id-882840' id='answer-label-882840' class=' answer'><span>Two-way data synchronization<\/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-221723'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>Which of the following options is not included in Object Storage Service (OSS) object URLs?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='221723' \/><input type='hidden' id='answerType221723' 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-221723[]' id='answer-id-882841' class='answer   answerof-221723 ' value='882841'   \/><label for='answer-id-882841' id='answer-label-882841' class=' answer'><span>Region name<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221723[]' id='answer-id-882842' class='answer   answerof-221723 ' value='882842'   \/><label for='answer-id-882842' id='answer-label-882842' class=' answer'><span>Zone name<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221723[]' id='answer-id-882843' class='answer   answerof-221723 ' value='882843'   \/><label for='answer-id-882843' id='answer-label-882843' class=' answer'><span>Bucket name<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221723[]' id='answer-id-882844' class='answer   answerof-221723 ' value='882844'   \/><label for='answer-id-882844' id='answer-label-882844' class=' answer'><span>Filename<\/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-221724'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)<\/div><input type='hidden' name='question_id[]' id='qID_10' value='221724' \/><input type='hidden' id='answerType221724' 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-221724[]' id='answer-id-882845' class='answer   answerof-221724 ' value='882845'   \/><label for='answer-id-882845' id='answer-label-882845' class=' answer'><span>Improve the query efficiency SELECT statements.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221724[]' id='answer-id-882846' class='answer   answerof-221724 ' value='882846'   \/><label for='answer-id-882846' id='answer-label-882846' class=' answer'><span>Improve the efficiency of DML operations such as UPDAT<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221724[]' id='answer-id-882847' class='answer   answerof-221724 ' value='882847'   \/><label for='answer-id-882847' id='answer-label-882847' class=' answer'><span>Improve the efficiency of DDL operations.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221724[]' id='answer-id-882848' class='answer   answerof-221724 ' value='882848'   \/><label for='answer-id-882848' id='answer-label-882848' class=' answer'><span>Reduce invalid data scanning.<\/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-221725'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>Which of these are suitable use cases for Alibaba Cloud's MongoDB service? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_11' value='221725' \/><input type='hidden' id='answerType221725' 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-221725[]' id='answer-id-882849' class='answer   answerof-221725 ' value='882849'   \/><label for='answer-id-882849' id='answer-label-882849' class=' answer'><span>Applications requiring high OPS, such as logging apps<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221725[]' id='answer-id-882850' class='answer   answerof-221725 ' value='882850'   \/><label for='answer-id-882850' id='answer-label-882850' class=' answer'><span>Scenarios where complex transaction support is required<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221725[]' id='answer-id-882851' class='answer   answerof-221725 ' value='882851'   \/><label for='answer-id-882851' id='answer-label-882851' class=' answer'><span>Applications where JSON is a good choice of storage format<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221725[]' id='answer-id-882852' class='answer   answerof-221725 ' value='882852'   \/><label for='answer-id-882852' id='answer-label-882852' class=' answer'><span>Applications requiring geo-location queries, such as logistics or order status apps<\/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-221726'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>A developer accesses logs in a Log Service Logstore via the API. The error code returned by the server is 404. <br \/>\r<br>Which of these could be the cause?<\/div><input type='hidden' name='question_id[]' id='qID_12' value='221726' \/><input type='hidden' id='answerType221726' 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-221726[]' id='answer-id-882853' class='answer   answerof-221726 ' value='882853'   \/><label for='answer-id-882853' id='answer-label-882853' class=' answer'><span>The log project (Project) does not exist<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221726[]' id='answer-id-882854' class='answer   answerof-221726 ' value='882854'   \/><label for='answer-id-882854' id='answer-label-882854' class=' answer'><span>The requested digital signature does not match<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221726[]' id='answer-id-882855' class='answer   answerof-221726 ' value='882855'   \/><label for='answer-id-882855' id='answer-label-882855' class=' answer'><span>Server internal error<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221726[]' id='answer-id-882856' class='answer   answerof-221726 ' value='882856'   \/><label for='answer-id-882856' id='answer-label-882856' class=' answer'><span>Server is busy: please try later<\/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-221727'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>CloudMonitor's &quot;Event Monitoring&quot; feature provides you with event reporting, query, and alarm functions, Score 2 so that you can collect metrics on your running Alibaba Cloud systems, and receive alerts when something goes wrong. <br \/>\r<br>Which of these is NOT a correct description of the monitoring event types supported by CloudMonitor?<\/div><input type='hidden' name='question_id[]' id='qID_13' value='221727' \/><input type='hidden' id='answerType221727' 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-221727[]' id='answer-id-882857' class='answer   answerof-221727 ' value='882857'   \/><label for='answer-id-882857' id='answer-label-882857' class=' answer'><span>For ECS, CloudMonitor supports the collection and reporting of important ECS operating system level events, such as application crashes.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221727[]' id='answer-id-882858' class='answer   answerof-221727 ' value='882858'   \/><label for='answer-id-882858' id='answer-label-882858' class=' answer'><span>For Object Storage Service (OSS), CloudMonitor supports the collection and reporting of bucket upstream and downstream bandwidth which exceeds the flow control threshold or the user-selected reporting threshold.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221727[]' id='answer-id-882859' class='answer   answerof-221727 ' value='882859'   \/><label for='answer-id-882859' id='answer-label-882859' class=' answer'><span>For Server Load Balancer (SLB), CloudMonitor supports the collection and reporting of HTTPS certificate expiration events, for certificates installed on SL<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221727[]' id='answer-id-882860' class='answer   answerof-221727 ' value='882860'   \/><label for='answer-id-882860' id='answer-label-882860' class=' answer'><span>For E-MapReduce, CloudMonitor supports the collection and reporting of service component status, cluster creation failure, and timeout events.<\/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-221728'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>What are the advantages of using Elastic Container Instance (ECI) to deploy applications compared with using ECS? (Number of correct answers; 2)<\/div><input type='hidden' name='question_id[]' id='qID_14' value='221728' \/><input type='hidden' id='answerType221728' 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-221728[]' id='answer-id-882861' class='answer   answerof-221728 ' value='882861'   \/><label for='answer-id-882861' id='answer-label-882861' class=' answer'><span>Low maintenance, low costs<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221728[]' id='answer-id-882862' class='answer   answerof-221728 ' value='882862'   \/><label for='answer-id-882862' id='answer-label-882862' class=' answer'><span>Startup in seconds without the need to reserve resources<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221728[]' id='answer-id-882863' class='answer   answerof-221728 ' value='882863'   \/><label for='answer-id-882863' id='answer-label-882863' class=' answer'><span>Less significant visualization layer performance losses<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221728[]' id='answer-id-882864' class='answer   answerof-221728 ' value='882864'   \/><label for='answer-id-882864' id='answer-label-882864' class=' answer'><span>Stronger isolation between instances<\/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-221729'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>Which of the following are correct, regarding RAM users? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_15' value='221729' \/><input type='hidden' id='answerType221729' 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-221729[]' id='answer-id-882865' class='answer   answerof-221729 ' value='882865'   \/><label for='answer-id-882865' id='answer-label-882865' class=' answer'><span>RAM users can be created under a single Alibaba Cloud account, corresponding to employees, systems, or applications.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221729[]' id='answer-id-882866' class='answer   answerof-221729 ' value='882866'   \/><label for='answer-id-882866' id='answer-label-882866' class=' answer'><span>RAM users do not &quot;own&quot; the resources that they create (those belong to the Alibaba Cloud account itself), and RAM users cannot generate and pay their own individual bills (costs accrue to and are billed to the master Alibaba Cloud account).<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221729[]' id='answer-id-882867' class='answer   answerof-221729 ' value='882867'   \/><label for='answer-id-882867' id='answer-label-882867' class=' answer'><span>RAM users belong to an Alibaba Cloud account, but they can also operate as independent accounts with their own private resources, not visible to the primary Alibaba Cloud account.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221729[]' id='answer-id-882868' class='answer   answerof-221729 ' value='882868'   \/><label for='answer-id-882868' id='answer-label-882868' class=' answer'><span>RAM users must be authorized by the Alibaba Cloud account to log in to the console or use the API to manage the resources owned by the Alibaba Cloud account.<\/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-221730'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>Which of the following statements are correct, with regard to Alibaba Cloud Log Service? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_16' value='221730' \/><input type='hidden' id='answerType221730' 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-221730[]' id='answer-id-882869' class='answer   answerof-221730 ' value='882869'   \/><label for='answer-id-882869' id='answer-label-882869' class=' answer'><span>As an agent for collecting logs, Logtail can collect logs from existing system log files in a non-intrusive manner<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221730[]' id='answer-id-882870' class='answer   answerof-221730 ' value='882870'   \/><label for='answer-id-882870' id='answer-label-882870' class=' answer'><span>The Log Service frontend service adopts an LVS + NGINX architecture<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221730[]' id='answer-id-882871' class='answer   answerof-221730 ' value='882871'   \/><label for='answer-id-882871' id='answer-label-882871' class=' answer'><span>The Logstore backend service is deployed on a single machine to complete the real-time persistence, indexing, query and delivery of Logstore data to MaxCompute<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221730[]' id='answer-id-882872' class='answer   answerof-221730 ' value='882872'   \/><label for='answer-id-882872' id='answer-label-882872' class=' answer'><span>Each log written to the Log Service backend will be saved in triplicate (across three separate physical servers)<\/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-221731'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store the end user data for their app, and to ensure data isolation between each user of the app, to prevent one user from obtaining another's data. <br \/>\r<br>Which method can be done to meet these requirements?<\/div><input type='hidden' name='question_id[]' id='qID_17' value='221731' \/><input type='hidden' id='answerType221731' 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-221731[]' id='answer-id-882873' class='answer   answerof-221731 ' value='882873'   \/><label for='answer-id-882873' id='answer-label-882873' class=' answer'><span>RAM Policy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221731[]' id='answer-id-882874' class='answer   answerof-221731 ' value='882874'   \/><label for='answer-id-882874' id='answer-label-882874' class=' answer'><span>STS authorization<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221731[]' id='answer-id-882875' class='answer   answerof-221731 ' value='882875'   \/><label for='answer-id-882875' id='answer-label-882875' class=' answer'><span>Bucket Policy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221731[]' id='answer-id-882876' class='answer   answerof-221731 ' value='882876'   \/><label for='answer-id-882876' id='answer-label-882876' class=' answer'><span>Object Policy<\/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-221732'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>1 he server uploads the resume to OSS <br \/>\r<br>Which of the following methods can be used to upload objects to OSS without requiring Step 3?<\/div><input type='hidden' name='question_id[]' id='qID_18' value='221732' \/><input type='hidden' id='answerType221732' 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-221732[]' id='answer-id-882877' class='answer   answerof-221732 ' value='882877'   \/><label for='answer-id-882877' id='answer-label-882877' class=' answer'><span>Simple Upload<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221732[]' id='answer-id-882878' class='answer   answerof-221732 ' value='882878'   \/><label for='answer-id-882878' id='answer-label-882878' class=' answer'><span>Form Upload<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221732[]' id='answer-id-882879' class='answer   answerof-221732 ' value='882879'   \/><label for='answer-id-882879' id='answer-label-882879' class=' answer'><span>Multipart Upload<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221732[]' id='answer-id-882880' class='answer   answerof-221732 ' value='882880'   \/><label for='answer-id-882880' id='answer-label-882880' class=' answer'><span>Append Upload<\/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-221733'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>Which of the following database connection methods does ApsaraDB for Redis support? (Number of correct answers: 2)<\/div><input type='hidden' name='question_id[]' id='qID_19' value='221733' \/><input type='hidden' id='answerType221733' 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-221733[]' id='answer-id-882881' class='answer   answerof-221733 ' value='882881'   \/><label for='answer-id-882881' id='answer-label-882881' class=' answer'><span>DMS (Data Management Service)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221733[]' id='answer-id-882882' class='answer   answerof-221733 ' value='882882'   \/><label for='answer-id-882882' id='answer-label-882882' class=' answer'><span>aliyun-cll<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221733[]' id='answer-id-882883' class='answer   answerof-221733 ' value='882883'   \/><label for='answer-id-882883' id='answer-label-882883' class=' answer'><span>Redis-cIl<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221733[]' id='answer-id-882884' class='answer   answerof-221733 ' value='882884'   \/><label for='answer-id-882884' id='answer-label-882884' class=' answer'><span>Sentinel<\/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-221734'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>If a user finds that the Content Delivery Network (CDN) cache hit rate is low, what could be the reason? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_20' value='221734' \/><input type='hidden' id='answerType221734' 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-221734[]' id='answer-id-882885' class='answer   answerof-221734 ' value='882885'   \/><label for='answer-id-882885' id='answer-label-882885' class=' answer'><span>When the website has low traffic, the CDN will receive fewer requests and this will result in a lower cache hit rate.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221734[]' id='answer-id-882886' class='answer   answerof-221734 ' value='882886'   \/><label for='answer-id-882886' id='answer-label-882886' class=' answer'><span>Insufficient bandwidth was selected when enabling the CDN service, causing the service capacity reach its limit too early.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221734[]' id='answer-id-882887' class='answer   answerof-221734 ' value='882887'   \/><label for='answer-id-882887' id='answer-label-882887' class=' answer'><span>HTTP Header settings may cause cache misses.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221734[]' id='answer-id-882888' class='answer   answerof-221734 ' value='882888'   \/><label for='answer-id-882888' id='answer-label-882888' class=' answer'><span>The origin site has a large number of dynamic resources.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221734[]' id='answer-id-882889' class='answer   answerof-221734 ' value='882889'   \/><label for='answer-id-882889' id='answer-label-882889' class=' answer'><span>Cache configuration is inappropriate (ex. overly short Cache Expiry Time for popular files).<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-21' style=';'><div id='questionWrap-21'  class='   watupro-question-id-221735'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>21. <\/span>Assume that a company uses ApsaraDB for PolarDB. The company commonly queries users based on their basic information, including: addresses, company names, and ID numbers. <br \/>\r<br>In this scenario, what is the best practice for creating a database index (or indexes)?<\/div><input type='hidden' name='question_id[]' id='qID_21' value='221735' \/><input type='hidden' id='answerType221735' 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-221735[]' id='answer-id-882890' class='answer   answerof-221735 ' value='882890'   \/><label for='answer-id-882890' id='answer-label-882890' class=' answer'><span>Create a b-tree index on each column to be searched.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221735[]' id='answer-id-882891' class='answer   answerof-221735 ' value='882891'   \/><label for='answer-id-882891' id='answer-label-882891' class=' answer'><span>Create a hash index on each column to be searched.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221735[]' id='answer-id-882892' class='answer   answerof-221735 ' value='882892'   \/><label for='answer-id-882892' id='answer-label-882892' class=' answer'><span>Create a gin index for multiple fields.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221735[]' id='answer-id-882893' class='answer   answerof-221735 ' value='882893'   \/><label for='answer-id-882893' id='answer-label-882893' class=' answer'><span>Create a gist index for multiple fields.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-22' style=';'><div id='questionWrap-22'  class='   watupro-question-id-221736'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>22. <\/span>On which operating systems can you install Alibaba Cloud command line tools? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_22' value='221736' \/><input type='hidden' id='answerType221736' 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-221736[]' id='answer-id-882894' class='answer   answerof-221736 ' value='882894'   \/><label for='answer-id-882894' id='answer-label-882894' class=' answer'><span>Windows<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221736[]' id='answer-id-882895' class='answer   answerof-221736 ' value='882895'   \/><label for='answer-id-882895' id='answer-label-882895' class=' answer'><span>Linux<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221736[]' id='answer-id-882896' class='answer   answerof-221736 ' value='882896'   \/><label for='answer-id-882896' id='answer-label-882896' class=' answer'><span>macOS<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221736[]' id='answer-id-882897' class='answer   answerof-221736 ' value='882897'   \/><label for='answer-id-882897' id='answer-label-882897' class=' answer'><span>Android<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-23' style=';'><div id='questionWrap-23'  class='   watupro-question-id-221737'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>23. <\/span>A development team currently supports an application that is designed to be deployed on a single server's local memory As part of migrating to Alibaba Cloud, the team needs to use Auto Scaling, and must therefore move their game state data off of their servers, so that they can automatically scale up and down without losing game data. <br \/>\r<br>Where should the team store these game results to best allow for consistent results without impacting performance?<\/div><input type='hidden' name='question_id[]' id='qID_23' value='221737' \/><input type='hidden' id='answerType221737' 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-221737[]' id='answer-id-882898' class='answer   answerof-221737 ' value='882898'   \/><label for='answer-id-882898' id='answer-label-882898' class=' answer'><span>OSS<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221737[]' id='answer-id-882899' class='answer   answerof-221737 ' value='882899'   \/><label for='answer-id-882899' id='answer-label-882899' class=' answer'><span>RDS<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221737[]' id='answer-id-882900' class='answer   answerof-221737 ' value='882900'   \/><label for='answer-id-882900' id='answer-label-882900' class=' answer'><span>Redis<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221737[]' id='answer-id-882901' class='answer   answerof-221737 ' value='882901'   \/><label for='answer-id-882901' id='answer-label-882901' class=' answer'><span>Log Service<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-24' style=';'><div id='questionWrap-24'  class='   watupro-question-id-221738'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>24. <\/span>To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?<\/div><input type='hidden' name='question_id[]' id='qID_24' value='221738' \/><input type='hidden' id='answerType221738' 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-221738[]' id='answer-id-882902' class='answer   answerof-221738 ' value='882902'   \/><label for='answer-id-882902' id='answer-label-882902' class=' answer'><span>HBase<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221738[]' id='answer-id-882903' class='answer   answerof-221738 ' value='882903'   \/><label for='answer-id-882903' id='answer-label-882903' class=' answer'><span>OceanBase<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221738[]' id='answer-id-882904' class='answer   answerof-221738 ' value='882904'   \/><label for='answer-id-882904' id='answer-label-882904' class=' answer'><span>RDSMariaDB<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221738[]' id='answer-id-882905' class='answer   answerof-221738 ' value='882905'   \/><label for='answer-id-882905' id='answer-label-882905' class=' answer'><span>TSDB<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-25' style=';'><div id='questionWrap-25'  class='   watupro-question-id-221739'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>25. <\/span>Which of the following programming languages are supported by the Alibaba Cloud SDK? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_25' value='221739' \/><input type='hidden' id='answerType221739' 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-221739[]' id='answer-id-882906' class='answer   answerof-221739 ' value='882906'   \/><label for='answer-id-882906' id='answer-label-882906' class=' answer'><span>Java<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221739[]' id='answer-id-882907' class='answer   answerof-221739 ' value='882907'   \/><label for='answer-id-882907' id='answer-label-882907' class=' answer'><span>Swift<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221739[]' id='answer-id-882908' class='answer   answerof-221739 ' value='882908'   \/><label for='answer-id-882908' id='answer-label-882908' class=' answer'><span>PHP<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221739[]' id='answer-id-882909' class='answer   answerof-221739 ' value='882909'   \/><label for='answer-id-882909' id='answer-label-882909' class=' answer'><span>Python<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221739[]' id='answer-id-882910' class='answer   answerof-221739 ' value='882910'   \/><label for='answer-id-882910' id='answer-label-882910' class=' answer'><span>Bash shell<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-26' style=';'><div id='questionWrap-26'  class='   watupro-question-id-221740'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>26. <\/span>Company A has a large number of files store in Alibaba Cloud OSS that need to be deleted (numbering in the tens of thousands). <br \/>\r<br>What is the fastest, easiest way to delete these files?<\/div><input type='hidden' name='question_id[]' id='qID_26' value='221740' \/><input type='hidden' id='answerType221740' 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-221740[]' id='answer-id-882911' class='answer   answerof-221740 ' value='882911'   \/><label for='answer-id-882911' id='answer-label-882911' class=' answer'><span>Manually delete them one by one<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221740[]' id='answer-id-882912' class='answer   answerof-221740 ' value='882912'   \/><label for='answer-id-882912' id='answer-label-882912' class=' answer'><span>Configure a life cycle rule that matches the entire bucket, and delete all files after one day<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221740[]' id='answer-id-882913' class='answer   answerof-221740 ' value='882913'   \/><label for='answer-id-882913' id='answer-label-882913' class=' answer'><span>Call the API from a script, deleting files in batches<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221740[]' id='answer-id-882914' class='answer   answerof-221740 ' value='882914'   \/><label for='answer-id-882914' id='answer-label-882914' class=' answer'><span>Directly delete the bucket<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-27' style=';'><div id='questionWrap-27'  class='   watupro-question-id-221741'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>27. <\/span>you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?<\/div><input type='hidden' name='question_id[]' id='qID_27' value='221741' \/><input type='hidden' id='answerType221741' 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-221741[]' id='answer-id-882915' class='answer   answerof-221741 ' value='882915'   \/><label for='answer-id-882915' id='answer-label-882915' class=' answer'><span>Manually install the Node. Js package in the Function Compute console<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221741[]' id='answer-id-882916' class='answer   answerof-221741 ' value='882916'   \/><label for='answer-id-882916' id='answer-label-882916' class=' answer'><span>Create a single web application and upload the corresponding code package via the Function Compute console (or fcli)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221741[]' id='answer-id-882917' class='answer   answerof-221741 ' value='882917'   \/><label for='answer-id-882917' id='answer-label-882917' class=' answer'><span>Configure program startup commands and access ports in the Function Compute console<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221741[]' id='answer-id-882918' class='answer   answerof-221741 ' value='882918'   \/><label for='answer-id-882918' id='answer-label-882918' class=' answer'><span>Start and verify the application in the Function Compute console<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-28' style=';'><div id='questionWrap-28'  class='   watupro-question-id-221742'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>28. <\/span>A certain project of Enterprise A (called Project-X) moves to the cloud and will need to use a variety of s Alibaba Cloud resources, such as ECS instances, RDS instances, SLB instances, and OSS storage space. There are multiple employees on the project who need to operate these cloud resources. <br \/>\r<br>Because each employee has different job responsibilities and requires different permissions, what is the WRONG approach to resource management?<\/div><input type='hidden' name='question_id[]' id='qID_28' value='221742' \/><input type='hidden' id='answerType221742' 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-221742[]' id='answer-id-882919' class='answer   answerof-221742 ' value='882919'   \/><label for='answer-id-882919' id='answer-label-882919' class=' answer'><span>Create RAM users each employee, and set login passwords or create AccessKey \r\ncredentials as needed<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221742[]' id='answer-id-882920' class='answer   answerof-221742 ' value='882920'   \/><label for='answer-id-882920' id='answer-label-882920' class=' answer'><span>When creating RAM for users, give each user both web console AND AccessKey credentials: there is no need to keep these separate<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221742[]' id='answer-id-882921' class='answer   answerof-221742 ' value='882921'   \/><label for='answer-id-882921' id='answer-label-882921' class=' answer'><span>When there are multiple RAM users under a cloud account, create user groups to classify and authorize RAM users with the same responsibilities<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221742[]' id='answer-id-882922' class='answer   answerof-221742 ' value='882922'   \/><label for='answer-id-882922' id='answer-label-882922' class=' answer'><span>Use system policies to bind reasonable permissions policies to users or user groups, and customize policies for more fine-grained control<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-29' style=';'><div id='questionWrap-29'  class='   watupro-question-id-221743'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>29. <\/span>A developer is writing logs through the Log Service API, and can see via the Logstore monitorin metrics that write traffic is about 10 MB\/s, but a 403 error is reported during the writing process. <br \/>\r<br>Which of these is a possible cause?<\/div><input type='hidden' name='question_id[]' id='qID_29' value='221743' \/><input type='hidden' id='answerType221743' 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-221743[]' id='answer-id-882923' class='answer   answerof-221743 ' value='882923'   \/><label for='answer-id-882923' id='answer-label-882923' class=' answer'><span>There is significant network delay<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221743[]' id='answer-id-882924' class='answer   answerof-221743 ' value='882924'   \/><label for='answer-id-882924' id='answer-label-882924' class=' answer'><span>The write throughput of a single partition is limited, and the 10 MB\/s write traffic exceeds<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221743[]' id='answer-id-882925' class='answer   answerof-221743 ' value='882925'   \/><label for='answer-id-882925' id='answer-label-882925' class=' answer'><span>There is not enough space in the Logstore partition<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-221743[]' id='answer-id-882926' class='answer   answerof-221743 ' value='882926'   \/><label for='answer-id-882926' id='answer-label-882926' class=' answer'><span>The target partition in the Logstore is not specified<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-30' style=';'><div id='questionWrap-30'  class='   watupro-question-id-221744'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>30. <\/span>Which of the following operations can be performed through Log Service sAPI? (Number of correct answers: 3)<\/div><input type='hidden' name='question_id[]' id='qID_30' value='221744' \/><input type='hidden' id='answerType221744' 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-221744[]' id='answer-id-882927' class='answer   answerof-221744 ' value='882927'   \/><label for='answer-id-882927' id='answer-label-882927' class=' answer'><span>Collect logs based on Logtail configuration and Logtail machine group information<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221744[]' id='answer-id-882928' class='answer   answerof-221744 ' value='882928'   \/><label for='answer-id-882928' id='answer-label-882928' class=' answer'><span>Create a Logstore, write and read logs to the Logstore<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221744[]' id='answer-id-882929' class='answer   answerof-221744 ' value='882929'   \/><label for='answer-id-882929' id='answer-label-882929' class=' answer'><span>Access control for different users<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-221744[]' id='answer-id-882930' class='answer   answerof-221744 ' value='882930'   \/><label for='answer-id-882930' id='answer-label-882930' class=' answer'><span>Deliver logs to OSS for storage and analysis<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-31'>\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=\"watuPROButtons6331\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; 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