Hadoop Cluster Management MCQ question and answer with solution

41

Point out the wrong statement.

A) classNAME displays the class name needed to get the Hadoop jar B) Balancer Runs a cluster balancing utility C) An administrator can simply press Ctrl-C to stop the rebalancing process D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

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42

Point out the wrong statement.

A) If you set the HBase service into maintenance mode, then its roles (HBase Master and all Region Servers) are put into effective maintenance mode B) If you set a host into maintenance mode, then any roles running on that host are put into effective maintenance mode C) Putting a component into maintenance mode prevent events from being logged D) None of the mentioned

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Answer & Solution

Answer: Option C

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43

. . . . . . . . mode allows you to suppress alerts for a host, service, role, or even the entire cluster.

A) Safe B) Maintenance C) Secure D) All of the mentioned

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Answer & Solution

Answer: Option B

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44

Which of the following is used for the MapReduce job Tracker node?

A) mradmin B) tasktracker C) jobtracker D) none of the mentioned

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Answer & Solution

Answer: Option C

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45

In . . . . . . . . mode, the NameNode will interactively prompt you at the command line about possible courses of action you can take to recover your data.

A) full B) partial C) recovery D) commit

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Answer & Solution

Answer: Option C

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46

. . . . . . . . command is used to copy file or directories recursively.

A) dtcp B) distcp C) dcp D) distc

Discuss

Answer & Solution

Answer: Option B

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47

Point out the correct statement.

A) All hadoop commands are invoked by the bin/hadoop script B) Hadoop has an option parsing framework that employs only parsing generic options C) Archive command creates a hadoop archive D) All of the mentioned

Discuss

Answer & Solution

Answer: Option A

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48

Which hdfs command is used to check for various inconsistencies?

A) fsk B) fsck C) fetchdt D) none of the mentioned

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Answer & Solution

Answer: Option B

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49

Which of the following command runs the HDFS secondary namenode?

A) secondary namenode B) secondarynamenode C) secondary_namenode D) none of the mentioned

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Answer & Solution

Answer: Option B

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50

HDFS supports the . . . . . . . . command to fetch Delegation Token and store it in a file on the local system.

A) fetdt B) fetchdt C) fsk D) rec

Discuss

Answer & Solution

Answer: Option B

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Hadoop Cluster Management MCQ question and answer with solution | Hadoop MCQs