Identify the Role of Core Components of Apache Spark™'s Architecture, Including Cluster, Driver Node, Worker Nodes/executors, CPU Cores, and Memory. ASSOCIATE-DEVELOPER-APACHE-SPARK Practice Questions (Page 6)

Questions 26–28

1. 26application · medium

   A company runs a Spark cluster on virtual machines. Each VM hosts multiple executor JVMs. The team wants to understand the role of the physical machines in the cluster. Which statement accurately describes the role of worker nodes?

   • AThey allocate resources to the application
   • BThey only store data and do not execute tasks
   • CThey execute tasks and store data partitions for the application
   • DThey run the main() function and create the SparkContext
   Reveal Solution Discussion Select an answer first
2. 27foundation · easy

   In Apache Spark, what is the role of a cluster?

   • AA software library that provides Spark's core APIs
   • BA single machine that runs the Spark driver program
   • CA collection of resources that execute Spark applications
   • DA storage system for persisting data across applications
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3. 28foundation · easy

   Which statement best describes the function of a Spark cluster?

   • AIt compiles Spark code into bytecode for the JVM
   • BIt manages the scheduling of tasks across all applications
   • CIt stores the source data for all Spark applications
   • DIt provides the distributed computing resources needed to run Spark jobs
   Reveal Solution Discussion Select an answer first