Explain the Apache Spark™ Architecture Execution Hierarchy.. ASSOCIATE-DEVELOPER-APACHE-SPARK Practice Questions (Page 6)

Questions 26–27

1. 26expert · medium

   A Spark application performs the following operations: read, filter, map, groupBy, join, and then calls count() and write(). How many jobs will be triggered?

   • ATwo jobs, one for count() and one for write().
   • BFour jobs, one for each transformation and action.
   • COne job, because all transformations are combined into a single job.
   • DThree jobs, one for each action and one for the join.
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2. 27foundation · easy

   When does Spark actually launch a job?

   • AWhen the SparkSession is created
   • BWhen an action is called on a DataFrame or RDD
   • CWhen a transformation is defined
   • DWhen data is loaded from a file
   Reveal Solution Discussion Select an answer first