Explore topic-wise MCQs in Hadoop.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.

1.

HBaseAdmin and ____________ are the two important classes in this package that provide DDL functionalities.

A. HTableDescriptor
B. HDescriptor
C. HTable
D. HTabDescriptor
Answer» B. HDescriptor
2.

_________ command fetches the contents of a row or a cell.

A. select
B. get
C. put
D. none of the mentioned
Answer» C. put
3.

Which of the following command does not operate on tables?

A. enabled
B. disabled
C. drop
D. all of the mentioned
Answer» C. drop
4.

Which of the following command provides information about the user?

A. status
B. version
C. whoami
D. user
Answer» D. user
5.

Apache HBase is a non-relational database modeled after Google’s _________

A. BigTop
B. Bigtable
C. Scanner
D. FoundationDB
Answer» C. Scanner
6.

HBase is ________ defines only column families.

A. Row Oriented
B. Schema-less
C. Fixed Schema
D. All of the mentioned
Answer» C. Fixed Schema
7.

HBASEADMIN_AND______________ARE_THE_TWO_IMPORTANT_CLASSES_IN_THIS_PACKAGE_THAT_PROVIDE_DDL_FUNCTIONALITIES.?$

A. HTableDescriptor
B. HDescriptor
C. HTable
D. HTabDescriptor
Answer» B. HDescriptor
8.

_________ command fetches the contents of row or a cell?

A. select
B. get
C. put
D. none of the mentioned
Answer» C. put
9.

Which of the following command does not operate on tables ?

A. enabled
B. disabled
C. drop
D. all of the mentioned
Answer» C. drop
10.

Which of the following command provides information about the user ?

A. status
B. version
C. whoami
D. user
Answer» D. user
11.

The _________ Server assigns regions to the region servers and takes the help of Apache ZooKeeper for this task.

A. Region
B. Master
C. Zookeeper
D. All of the mentioned
Answer» C. Zookeeper
12.

Apache HBase is a non-relational database modeled after Google’s _________$

A. BigTop
B. Bigtable
C. Scanner
D. FoundationDB
Answer» C. Scanner
13.

HBase is ________, defines only column families.

A. Row Oriented
B. Schema-less
C. Fixed Schema
D. All of the mentioned
Answer» C. Fixed Schema
14.

HBase is a distributed ________ database built on top of the Hadoop file system.

A. Column-oriented
B. Row-oriented
C. Tuple-oriented
D. None of the mentioned
Answer» B. Row-oriented