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Hortonworks Apache-Hadoop-Developer Exam With Confidence Using Practice Dumps

Exam Code:
Apache-Hadoop-Developer
Exam Name:
Hadoop 2.0 Certification exam for Pig and Hive Developer
Vendor:
Questions:
108
Last Updated:
Feb 8, 2025
Exam Status:
Stable
Hortonworks Apache-Hadoop-Developer

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

Question 1

You have just executed a MapReduce job. Where is intermediate data written to after being emitted from the Mapper’s map method?

Options:

A.

Intermediate data in streamed across the network from Mapper to the Reduce and is never written to disk.

B.

Into in-memory buffers on the TaskTracker node running the Mapper that spill over and are written into HDFS.

C.

Into in-memory buffers that spill over to the local file system of the TaskTracker node running the Mapper.

D.

Into in-memory buffers that spill over to the local file system (outside HDFS) of the TaskTracker node running the Reducer

E.

Into in-memory buffers on the TaskTracker node running the Reducer that spill over and are written into HDFS.

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Question 2

Which one of the following statements regarding the components of YARN is FALSE?

Options:

A.

A Container executes a specific task as assigned by the ApplicationMaster

B.

The ResourceManager is responsible for scheduling and allocating resources

C.

A client application submits a YARW job to the ResourceManager

D.

The ResourceManager monitors and restarts any failed Containers

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.