Explore topic-wise MCQs in Hadoop.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.

1.

HCatalog supports the same data types as _________

A. Pig
B. Hama
C. Hive
D. Oozie
Answer» D. Oozie
2.

You can write to a single partition by specifying the partition key(s) and value(s) in the ___________ method.

A. setOutput
B. setOut
C. put
D. get
Answer» B. setOut
3.

The HCatalog interface for Pig consists of ____________ and HCatStorer, which implement the Pig load and store interfaces respectively.

A. HCLoader
B. HCatLoader
C. HCatLoad
D. None of the mentioned
Answer» C. HCatLoad
4.

HCatalog is built on top of the Hive metastore and incorporates Hive’s is ____________

A. DDL
B. DML
C. TCL
D. DCL
Answer» B. DML
5.

HCATALOG_SUPPORTS_THE_SAME_DATA_TYPES_AS_:?$

A. Pig
B. Hama
C. Hive
D. Oozie
Answer» D. Oozie
6.

You can write to a single partition by specifying the partition key(s) and value(s) in the ___________ method?

A. setOutput
B. setOut
C. put
D. get
Answer» B. setOut
7.

The HCatalog __________ supports all Hive DDL that does not require MapReduce to execute.

A. Powershell
B. CLI
C. CMD
D. All of the mentioned
Answer» C. CMD
8.

_____________ accepts a table to read data from and optionally a selection predicate to indicate which partitions to scan.

A. HCatOutputFormat
B. HCatInputFormat
C. OutputFormat
D. InputFormat
Answer» C. OutputFormat
9.

The HCatalog interface for Pig consists of ____________ and HCatStorer, which implement the Pig load and store interfaces respectively

A. HCLoader
B. HCatLoader
C. HCatLoad
D. None of the mentioned
Answer» C. HCatLoad
10.

HCatalog is built on top of the Hive metastore and incorporates Hive’s :$

A. DDL
B. DML
C. TCL
D. DCL
Answer» B. DML
11.

Hive version ___________ is the first release that includes HCatalog.

A. 0.10.0
B. 0.11.0
C. 0.12.0
D. All of the mentioned
Answer» C. 0.12.0
12.

HCatalog supports reading and writing files in any format for which a ________ can be written.

A. SerDE
B. SaerDear
C. DocSear
D. All of the mentioned
Answer» B. SaerDear