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Cloudera CCA-500 Exam With Confidence Using Practice Dumps

Exam Code:
CCA-500
Exam Name:
Cloudera Certified Administrator for Apache Hadoop (CCAH)
Certification:
CCAH
Vendor:
Cloudera
Questions:
60
Last Updated:
Nov 21, 2024
Exam Status:
Stable
Cloudera CCA-500

CCA-500: CCAH Exam 2024 Study Guide Pdf and Test Engine

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Cloudera Certified Administrator for Apache Hadoop (CCAH) Questions and Answers

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Question 1

You want to node to only swap Hadoop daemon data from RAM to disk when absolutely necessary. What should you do?

Options:

A.

Delete the /dev/vmswap file on the node

B.

Delete the /etc/swap file on the node

C.

Set the ram.swap parameter to 0 in core-site.xml

D.

Set vm.swapfile file on the node

E.

Delete the /swapfile file on the node

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Question 2

During the execution of a MapReduce v2 (MRv2) job on YARN, where does the Mapper place the intermediate data of each Map Task?

Options:

A.

The Mapper stores the intermediate data on the node running the Job’s ApplicationMaster so that it is available to YARN ShuffleService before the data is presented to the Reducer

B.

The Mapper stores the intermediate data in HDFS on the node where the Map tasks ran in the HDFS /usercache/&(user)/apache/application_&(appid) directory for the user who ran the job

C.

The Mapper transfers the intermediate data immediately to the reducers as it is generated by the Map Task

D.

YARN holds the intermediate data in the NodeManager’s memory (a container) until it is transferred to the Reducer

E.

The Mapper stores the intermediate data on the underlying filesystem of the local disk in the directories yarn.nodemanager.locak-DIFS

Question 3

For each YARN job, the Hadoop framework generates task log file. Where are Hadoop task log files stored?

Options:

A.

Cached by the NodeManager managing the job containers, then written to a log directory on the NameNode

B.

Cached in the YARN container running the task, then copied into HDFS on job completion

C.

In HDFS, in the directory of the user who generates the job

D.

On the local disk of the slave mode running the task

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