Hadoop MCQs with answers Page - 7

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 • 828.03K Points
Coach

Q. The simplest way to do authentication is using . . . . . . . . command of Kerberos.

  • (A) auth
  • (B) kinit
  • (C) authorize
  • (D) all of the mentioned

A

Admin • 828.03K Points
Coach

Q. In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to . . . . . . . .

  • (A) zero
  • (B) kerberos
  • (C) false
  • (D) none of the mentioned

A

Admin • 828.03K Points
Coach

Q. For running hadoop service daemons in Hadoop in secure mode . . . . . . . . principals are required.

  • (A) SSL
  • (B) Kerberos
  • (C) SSH
  • (D) None of the mentioned

A

Admin • 828.03K Points
Coach

Q. Which of the following command is used to dump the log container?

  • (A) logs
  • (B) log
  • (C) dump
  • (D) all of the mentioned

A

Admin • 828.03K Points
Coach

Q. Data transfer between Web-console and clients are protected by using . . . . . . . .

  • (A) SSL
  • (B) Kerberos
  • (C) SSH
  • (D) None of the mentioned

A

Admin • 828.03K Points
Coach

Q. . . . . . . . . generates keys of type LongWritable and values of type Text.

  • (A) TextOutputFormat
  • (B) TextInputFormat
  • (C) OutputInputFormat
  • (D) None of the mentioned

A

Admin • 828.03K Points
Coach

Q. . . . . . . . . gives site-specific configuration for a given hadoop installation.

  • (A) core-default.xml
  • (B) core-site.xml
  • (C) coredefault.xml
  • (D) all of the mentioned

A

Admin • 828.03K Points
Coach

Q. . . . . . . . . get events indicating completion (success/failure) of component tasks.

  • (A) getJobName()
  • (B) getJobState()
  • (C) getPriority()
  • (D) getTaskCompletionEvents(int startFrom)

A

Admin • 828.03K Points
Coach

Q. Which of the following adds a configuration resource?

  • (A) addDeprecation
  • (B) setDeprecatedProperties
  • (C) addDefaultResource
  • (D) addResource

A

Admin • 828.03K Points
Coach

Q. Which of the following statement can be used to get the storage policy of a file or a directory?

  • (A) hdfs dfsadmin -getStoragePolicy path
  • (B) hdfs dfsadmin -setStoragePolicy path policyName
  • (C) hdfs dfsadmin -listStoragePolicy path policyName
  • (D) all of the mentioned

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