Hadoop MCQs with answers Page - 12

Here, you will find a collection of MCQ questions on Hadoop. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. In advanced MapReduce, what does the term "MapReduce speculative execution" refer to?

  • (A) Execute multiple Map tasks in parallel
  • (B) Execute a backup task if the original task is slow
  • (C) Execute Map and Reduce tasks simultaneously
  • (D) Execute tasks in a distributed environment

A

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Q. Which Apache project in Hadoop is used for workflow automation?

  • (A) Oozie
  • (B) HBase
  • (C) Flume
  • (D) Pig

A

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Q. What is the function of Hadoop ZooKeeper in the architecture?

  • (A) Configuration management
  • (B) Real-time data processing
  • (C) High-speed data ingestion
  • (D) Data storage in HBase

A

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Q. In Hadoop, what is the purpose of the DataNode?

  • (A) Store data blocks
  • (B) Manage computation resources
  • (C) Execute MapReduce jobs
  • (D) Manage HDFS metadata

A

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Q. What is the primary role of the ResourceManager in Hadoop YARN?

  • (A) Manage computation resources
  • (B) Manage storage layer
  • (C) Execute MapReduce jobs
  • (D) Manage Hadoop ecosystem tools

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Q. Which Hadoop component is responsible for coordination and scheduling of tasks?

  • (A) ResourceManager
  • (B) JobTracker
  • (C) TaskTracker
  • (D) NameNode

A

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Q. What does Hadoop MapReduce provide in terms of data processing?

  • (A) Real-time data processing
  • (B) Batch processing
  • (C) Stream processing
  • (D) Graph processing

A

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Q. In Hadoop, what is the purpose of the Hadoop Distributed File System (HDFS)?

  • (A) Real-time data processing
  • (B) Store and manage large volumes of data
  • (C) Distribute computation resources
  • (D) Manage configuration files

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Q. What is the role of the Hadoop TaskTracker in MapReduce?

  • (A) Manage resource allocation
  • (B) Manage task execution in MapReduce jobs
  • (C) Manage HDFS metadata
  • (D) Manage ZooKeeper configurations

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Q. Which Hadoop component is responsible for managing and monitoring Hadoop clusters?

  • (A) Ambari
  • (B) Pig
  • (C) Drill
  • (D) Cassandra

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