Explore topic-wise MCQs in Hadoop.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.

1.

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

A. mradmin
B. tasktracker
C. jobtracker
D. none of the mentioned
Answer» D. none of the mentioned
2.

Which of the following command runs the HDFS secondary namenode?

A. secondary namenode
B. secondarynamenode
C. secondary_namenode
D. none of the mentioned
Answer» C. secondary_namenode
3.

Which hdfs command is used to check for various inconsistencies?

A. fsk
B. fsck
C. fetchdt
D. none of the mentioned
Answer» C. fetchdt
4.

WHICH_OF_THE_FOLLOWING_IS_USED_FOR_THE_MAPREDUCE_JOB_TRACKER_NODE_??$

A. mradmin
B. tasktracker
C. jobtracker
D. none of the mentioned
Answer» D. none of the mentioned
5.

Which of the following command runs the HDFS secondary namenode ?

A. secondary namenode
B. secondarynamenode
C. secondary_namenode
D. none of the mentioned
Answer» C. secondary_namenode
6.

__________ command is used to interact and view Job Queue information in HDFS.

A. queue
B. priority
C. dist
D. all of the mentioned
Answer» B. priority
7.

__________ mode is a Namenode state in which it does not accept changes to the name space.

A. Recover
B. Safe
C. Rollback
D. None of the mentioned
Answer» D. None of the mentioned
8.

_________ command is used to copy file or directories recursively.

A. dtcp
B. distcp
C. dcp
D. distc
Answer» C. dcp
9.

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
Answer» D. commit
10.

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
Answer» C. fsk
11.

Which hdfs command is used to check for various inconsistencies ?

A. fsk
B. fsck
C. fetchdt
D. none of the mentioned
Answer» C. fetchdt