Hadoop MCQs with answers Page - 1

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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A

Admin • 799.53K Points
Coach

Q. Yarn commands are invoked by the . . . . . . . . script.

  • (A) hive
  • (B) bin
  • (C) hadoop
  • (D) home

A

Admin • 799.53K Points
Coach

Q. The . . . . . . . . provides a proxy between the web applications exported by an application and an end user.

  • (A) ProxyServer
  • (B) WebAppProxy
  • (C) WebProxy
  • (D) None of the mentioned

A

Admin • 799.53K Points
Coach

Q. . . . . . . . . gets the diagnostic messages for a given task attempt.

  • (A) getTaskOutputFilter(Configuration conf)
  • (B) getTaskReports(TaskType type)
  • (C) getTrackingURL()
  • (D) all of the mentioned

A

Admin • 799.53K Points
Coach

Q. Which of the following is the only way of running mappers?

  • (A) MapReducer
  • (B) MapRunner
  • (C) MapRed
  • (D) All of the mentioned

A

Admin • 799.53K Points
Coach

Q. . . . . . . . . method adds the deprecated key to the global deprecation map.

  • (A) addDeprecits
  • (B) addDeprecation
  • (C) keyDeprecation
  • (D) none of the mentioned

A

Admin • 799.53K Points
Coach

Q. reduceProgress() gets the progress of the job's reduce-tasks, as a float between . . . . . . . .

  • (A) 0.0-1.0
  • (B) 1.0-2.0
  • (C) 2.0-3.0
  • (D) None of the mentioned

A

Admin • 799.53K Points
Coach

Q. Which of the following is only for storage with limited compute?

  • (A) Hot
  • (B) Cold
  • (C) Warm
  • (D) All_SSD

A

Admin • 799.53K Points
Coach

Q. The CapacityScheduler has a predefined queue called . . . . . . . .

  • (A) domain
  • (B) root
  • (C) rear
  • (D) all of the mentioned

A

Admin • 799.53K Points
Coach

Q. YARN's dynamic allocation of cluster resources improves utilization over more static . . . . . . . . rules used in early versions of Hadoop.

  • (A) Hive
  • (B) MapReduce
  • (C) Imphala
  • (D) All of the mentioned

A

Admin • 799.53K Points
Coach

Q. Point out the wrong statement.

  • (A) Data transfer protocol of DataNode does not use the RPC framework of Hadoop
  • (B) Apache Oozie which access the services of Hadoop on behalf of end users need to be able to impersonate end users
  • (C) DataNode must authenticate itself by using privileged ports which are specified by dfs.datanode.address and dfs.datanode.http.address
  • (D) None of the mentioned

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