{"id":34743,"date":"2022-01-31T01:00:00","date_gmt":"2022-01-31T01:00:00","guid":{"rendered":"https:\/\/www.dumpsbase.com\/freedumps\/?p=34743"},"modified":"2022-01-18T01:07:56","modified_gmt":"2022-01-18T01:07:56","slug":"2022-real-databricks-certified-associate-developer-for-apache-spark-3-0-exam-dumps-dumpsbase","status":"publish","type":"post","link":"https:\/\/www.dumpsbase.com\/freedumps\/2022-real-databricks-certified-associate-developer-for-apache-spark-3-0-exam-dumps-dumpsbase.html","title":{"rendered":"[2022] Real Databricks Certified Associate Developer For Apache Spark 3.0 Exam Dumps | DumpsBase"},"content":{"rendered":"\n<p>Passing Databricks Certified Associate Developer For Apache Spark 3.0 exam to earn the certification can prove that the candidates have demonstrated an understanding of the basics of the Apache Spark architecture and the ability to apply the Spark DataFrame API to complete individual data manipulation tasks. Databricks Certified Associate Developer For Apache Spark 3.0 dumps of DumpsBase containing real exam questions and answers are written by the top experts to ensure that you can pass the actual exam successfully and smoothly. With DumpsBase Databricks Certified Associate Developer For Apache Spark 3.0 Exam Dumps, you will find the Databricks exam extremely easy to reach the top of your IT career via passing the Databricks Certified Associate Developer For Apache Spark 3.0 test by using the real Databricks Certified Associate Developer For Apache Spark 3.0 dumps questions.<\/p>\n<h2><span style=\"background-color: #ffff00;\">Read Databricks Certified Associate Developer For Apache Spark 3.0 Free Dumps First<\/span><\/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=\"submittingExam6018\" 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-6018\"><\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-6018\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-206778'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>Which of the following code blocks silently writes DataFrame itemsDf in avro format to location fileLocation if a file does not yet exist at that location?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='206778' \/><input type='hidden' id='answerType206778' 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-206778[]' id='answer-id-826150' class='answer   answerof-206778 ' value='826150'   \/><label for='answer-id-826150' id='answer-label-826150' class=' answer'><span>itemsDf.write.avro(fileLocation)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206778[]' id='answer-id-826151' class='answer   answerof-206778 ' value='826151'   \/><label for='answer-id-826151' id='answer-label-826151' class=' answer'><span>itemsDf.write.format(&quot;avro&quot;).mode(&quot;ignore&quot;).save(fileLocation)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206778[]' id='answer-id-826152' class='answer   answerof-206778 ' value='826152'   \/><label for='answer-id-826152' id='answer-label-826152' class=' answer'><span>itemsDf.write.format(&quot;avro&quot;).mode(&quot;errorifexists&quot;).save(fileLocation)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206778[]' id='answer-id-826153' class='answer   answerof-206778 ' value='826153'   \/><label for='answer-id-826153' id='answer-label-826153' class=' answer'><span>itemsDf.save.format(&quot;avro&quot;).mode(&quot;ignore&quot;).write(fileLocation)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206778[]' id='answer-id-826154' class='answer   answerof-206778 ' value='826154'   \/><label for='answer-id-826154' id='answer-label-826154' class=' answer'><span>spark.DataFrameWriter(itemsDf).format(&quot;avro&quot;).write(fileLocation)<\/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-206779'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>Which of the elements that are labeled with a circle and a number contain an error or are misrepresented?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='206779' \/><input type='hidden' id='answerType206779' 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-206779[]' id='answer-id-826155' class='answer   answerof-206779 ' value='826155'   \/><label for='answer-id-826155' id='answer-label-826155' class=' answer'><span>1, 10<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206779[]' id='answer-id-826156' class='answer   answerof-206779 ' value='826156'   \/><label for='answer-id-826156' id='answer-label-826156' class=' answer'><span>1, 8<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206779[]' id='answer-id-826157' class='answer   answerof-206779 ' value='826157'   \/><label for='answer-id-826157' id='answer-label-826157' class=' answer'><span>10<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206779[]' id='answer-id-826158' class='answer   answerof-206779 ' value='826158'   \/><label for='answer-id-826158' id='answer-label-826158' class=' answer'><span>7, 9, 10<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206779[]' id='answer-id-826159' class='answer   answerof-206779 ' value='826159'   \/><label for='answer-id-826159' id='answer-label-826159' class=' answer'><span>1, 4, 6, 9<\/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-206780'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>5<\/div><input type='hidden' name='question_id[]' id='qID_3' value='206780' \/><input type='hidden' id='answerType206780' value='textarea'><!-- end question-content--><\/div><div class='question-choices '><p><textarea name='answer-206780[]' id='textarea_q_206780' class='watupro-textarea-medium' rows='5' cols='80'><\/textarea>\n<\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-206781'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>Which of the following code blocks displays the 10 rows with the smallest values of column value in DataFrame transactionsDf in a nicely formatted way?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='206781' \/><input type='hidden' id='answerType206781' 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-206781[]' id='answer-id-826161' class='answer   answerof-206781 ' value='826161'   \/><label for='answer-id-826161' id='answer-label-826161' class=' answer'><span>transactionsDf.sort(asc(value)).show(10)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206781[]' id='answer-id-826162' class='answer   answerof-206781 ' value='826162'   \/><label for='answer-id-826162' id='answer-label-826162' class=' answer'><span>transactionsDf.sort(col(&quot;value&quot;)).show(10)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206781[]' id='answer-id-826163' class='answer   answerof-206781 ' value='826163'   \/><label for='answer-id-826163' id='answer-label-826163' class=' answer'><span>transactionsDf.sort(col(&quot;value&quot;).desc()).head()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206781[]' id='answer-id-826164' class='answer   answerof-206781 ' value='826164'   \/><label for='answer-id-826164' id='answer-label-826164' class=' answer'><span>transactionsDf.sort(col(&quot;value&quot;).asc()).print(10)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206781[]' id='answer-id-826165' class='answer   answerof-206781 ' value='826165'   \/><label for='answer-id-826165' id='answer-label-826165' class=' answer'><span>transactionsDf.orderBy(&quot;value&quot;).asc().show(10)<\/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-206782'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Which of the following code blocks can be used to save DataFrame transactionsDf to memory only, recalculating partitions that do not fit in memory when they are needed?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='206782' \/><input type='hidden' id='answerType206782' 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-206782[]' id='answer-id-826166' class='answer   answerof-206782 ' value='826166'   \/><label for='answer-id-826166' id='answer-label-826166' class=' answer'><span>from pyspark import StorageLevel transactionsDf.cache(StorageLevel.MEMORY_ONLY)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206782[]' id='answer-id-826167' class='answer   answerof-206782 ' value='826167'   \/><label for='answer-id-826167' id='answer-label-826167' class=' answer'><span>transactionsDf.cache()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206782[]' id='answer-id-826168' class='answer   answerof-206782 ' value='826168'   \/><label for='answer-id-826168' id='answer-label-826168' class=' answer'><span>transactionsDf.storage_level('MEMORY_ONLY')<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206782[]' id='answer-id-826169' class='answer   answerof-206782 ' value='826169'   \/><label for='answer-id-826169' id='answer-label-826169' class=' answer'><span>transactionsDf.persist()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206782[]' id='answer-id-826170' class='answer   answerof-206782 ' value='826170'   \/><label for='answer-id-826170' id='answer-label-826170' class=' answer'><span>transactionsDf.clear_persist()<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-206782[]' id='answer-id-826171' class='answer   answerof-206782 ' value='826171'   \/><label for='answer-id-826171' id='answer-label-826171' class=' answer'><span>from pyspark import StorageLevel transactionsDf.persist(StorageLevel.MEMORY_ONLY)<\/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-206783'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>spark.read.json(filePath, schema=schema) <br \/>\r<br>C. spark.read.json(filePath, schema=schema_of_json(json_schema)) <br \/>\r<br>D. spark.read.json(filePath, schema=spark.read.json(json_schema))<\/div><input type='hidden' name='question_id[]' id='qID_6' value='206783' \/><input type='hidden' id='answerType206783' value='textarea'><!-- end question-content--><\/div><div class='question-choices '><p><textarea name='answer-206783[]' id='textarea_q_206783' class='watupro-textarea-medium' rows='5' cols='80'><\/textarea>\n<\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-206784'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>&quot;left_semi&quot;<\/div><input type='hidden' name='question_id[]' id='qID_7' value='206784' \/><input type='hidden' id='answerType206784' value='textarea'><!-- end question-content--><\/div><div class='question-choices '><p><textarea name='answer-206784[]' id='textarea_q_206784' class='watupro-textarea-medium' rows='5' cols='80'><\/textarea>\n<\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-206785'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>parquet<\/div><input type='hidden' name='question_id[]' id='qID_8' value='206785' \/><input type='hidden' id='answerType206785' value='textarea'><!-- end question-content--><\/div><div class='question-choices '><p><textarea name='answer-206785[]' id='textarea_q_206785' class='watupro-textarea-medium' rows='5' cols='80'><\/textarea>\n<\/p><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-9'>\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=\"watuPROButtons6018\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" 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