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Hadoop 2.0 Certification exam for Pig and Hive Developer Questions and Answers

Get Free Apache-Hadoop-Developer Questions and Answers
Question 1

Which Hadoop component is responsible for managing the distributed file system metadata?

Options:

A.

NameNode

B.

Metanode

C.

DataNode

D.

NameSpaceManager

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Question 2

Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?

Options:

A.

The ApplicationMaster requests resources from the ResourceManager

B.

The ApplicationMaster starts a single instance of the ResourceManager

C.

The ResourceManager monitors and restarts any failed Containers of the ApplicationMaster

D.

The ApplicationMaster starts an instance of the ResourceManager within each Container

Question 3

MapReduce v2 (MRv2/YARN) is designed to address which two issues?

Options:

A.

Single point of failure in the NameNode.

B.

Resource pressure on the JobTracker.

C.

HDFS latency.

D.

Ability to run frameworks other than MapReduce, such as MPI.

E.

Reduce complexity of the MapReduce APIs.

F.

Standardize on a single MapReduce API.

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