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CCA-500 Exam Questions & Answers

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CCA-500 Exam Questions & Answers

Vendor: Cloudera

Certifications: CCAH

Exam Code: CCA-500

Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH)

Updated: Jun 26, 2022

Q&As: 60

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Free CCA-500 Exam Questions in PDF Format

CCA-500 Online Practice Questions and Answers

Questions 1

Each node in your Hadoop cluster, running YARN, has 64GB memory and 24 cores. Your yarn.site.xml

has the following configuration:

yarn.nodemanager.resource.memory-mb

32768

yarn.nodemanager.resource.cpu-vcores

12

You want YARN to launch no more than 16 containers per node. What should you do?

A. Modify yarn-site.xml with the following property: yarn.scheduler.minimum-allocation-mb 2048

B. Modify yarn-sites.xml with the following property: yarn.scheduler.minimum-allocation-mb 4096

C. Modify yarn-site.xml with the following property: yarn.nodemanager.resource.cpu-vccores

D. No action is needed: YARN's dynamic resource allocation automatically optimizes the node memory and cores

Show Answer
Questions 2

You suspect that your NameNode is incorrectly configured, and is swapping memory to disk. Which Linux commands help you to identify whether swapping is occurring? (Select all that apply)

A. free

B. df

C. memcat

D. top

E. jps

F. vmstat

G. swapinfo

Show Answer
Questions 3

You are running a Hadoop cluster with a NameNode on host mynamenode. What are two ways to determine available HDFS space in your cluster?

A. Run hdfs fs du / and locate the DFS Remaining value

B. Run hdfs dfsadmin report and locate the DFS Remaining value

C. Run hdfs dfs / and subtract NDFS Used from configured Capacity

D. Connect to http://mynamenode:50070/dfshealth.jsp and locate the DFS remaining value

Show Answer More Questions

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