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Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer HORTONWORKS-CERTIFIED-APACHE-HADOOP-2.0-DEVELOPER Dumps in PDF

Free Hortonworks HORTONWORKS-CERTIFIED-APACHE-HADOOP-2.0-DEVELOPER Real Questions (page: 1)

Page 1 of 10 HORTONWORKS-CERTIFIED-APACHE-HADOOP-2.0-DEVELOPER PDF — 44 Questions

QUESTION: 1

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

NameNode
Metanode
DataNode
NameSpaceManager

Answer(s): A

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QUESTION: 2

A NameNode in Hadoop 2.0 manages ______________.

Two namespaces: an active namespace and a backup namespace
A single namespace
An arbitrary number of namespaces
No namespaces

Answer(s): B

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QUESTION: 3

Which Two of the following statements are true about hdfs? Choose 2 answers

An HDFS file that is larger than dfs.block.size is split into blocks
Blocks are replicated to multiple datanodes
HDFS works best when storing a large number of relatively small files
Block sizes for all files must be the same size

Answer(s): A,B

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QUESTION: 4

In Hadoop 2.0, which one of the following statements is true about a standby NameNode? The Standby NameNode:

Communicates directly with the active NameNode to maintain the state of the active NameNode.
Receives the same block reports as the active NameNode.
Runs on the same machine and shares the memory of the active NameNode.
Processes all client requests and block reports from the appropriate DataNodes.

Answer(s): B

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QUESTION: 5

Which HDFS command uploads a local file X into an existing HDFS directory Y?

hadoop scp X Y
hadoop fs -localPut X Y
hadoop fs-put X Y
hadoop fs -get X Y

Answer(s): C

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A

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8/9/2023 6:10:00 PM

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10/3/2023 6:57:00 PM

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A

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