Pass4Test Cloudera CCA-500 exam practice questions and answers

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CCA-500Exam Code: CCA-500
Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH)
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CCA-500 Real Exams Total Q&A: 60 Questions and Answers
Last Update: 07-05,2015

CCA-500 Actual Test Detail : CCA-500 Real Exams

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Reference: http://hadoop.apache.org/docs/r1.2.1/fair_scheduler.html

NO.2 Which YARN daemon or service monitors a Controller's per-application resource using (e.g.,
memory CPU)?
A. ApplicationMaster
B. NodeManager
C. ApplicationManagerService
D. ResourceManager
Answer: A

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NO.3 You are running a Hadoop cluster with MapReduce version 2 (MRv2) on YARN. You consistently
see that MapReduce map tasks on your cluster are running slowly because of excessive garbage
collection of JVM, how do you increase JVM heap size property to 3GB to optimize performance?
A. yarn.application.child.java.opts=-Xsx3072m
B. yarn.application.child.java.opts=-Xmx3072m
C. mapreduce.map.java.opts=-Xms3072m
D. mapreduce.map.java.opts=-Xmx3072m
Answer: C

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Reference: http://hortonworks.com/blog/how-to-plan-and-configure-yarn-in-hdp-2-0/

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