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Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH) CDH5 Upgrade Exam

Cloudera certification CCA-505 test answers, Training material, get exam dumps

NO.1 During the execution of a MapReduce v2 (MRv2) job on YARN, where does the Mapper place
the intermediate data each Map task?
A. The Mapper stores the intermediate data in HDFS on the node where the MAP tasks ran in the
HDFS /usercache/&[user]sppcache/application_&(appid) directory for the user who ran the job
B. YARN holds the intermediate data in the NodeManager's memory (a container) until it is
transferred to the Reducers
C. The Mapper stores the intermediate data on the mode running the job's ApplicationMaster so that
is available to YARN's ShuffleService before the data is presented to the Reducer
D. The Mapper transfers the intermediate data immediately to the Reducers as it generated by the
Map task
E. The Mapper stores the intermediate data on the underlying filesystem of the local disk in the
directories yarn.nodemanager.local-dirs
Answer: E
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NO.2 Which YARN process runs as "controller O" of a submitted job and is responsible for resource
requests?
A. ApplicationMaster
B. JobHistoryServer
C. ResourceManager
D. NodeManager
E. ApplicationManager
F. JobTracker
Answer: A
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NO.3 Given:
You want to clean up this list by removing jobs where the state is KILLED. What command you enter?
A. Yarn rmadmin -refreshQueue
B. Yarn application -kill application_1374638600275_0109
C. Yarn rmadmin -kill application_1374638600275_0109
D. Yarn application -refreshJobHistory
Answer: B
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Reference: http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1-latest/bk_usingapache-
hadoop/content/common_mrv2_commands.html

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Exam Name: Cloudera Certified Administrator for Apache Hadoop (CCAH) CDH5 Upgrade Exam

Cloudera certification CCA-505 test answers, Training material, get exam dumps