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CCA-505 Exam Questions & Answers

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CCA-505 Exam Questions & Answers

Vendor: Cloudera

Certifications: CCAH

Exam Code: CCA-505

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

Updated: Aug 05, 2022

Q&As: 45

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Same Questions from the Latest Real Exam

CCA-505 Online Practice Questions and Answers

Questions 1

You are the hadoop fs put command to add a file "sales.txt" to HDFS. This file is small enough that it fits into a single block, which is replicated to three nodes in your cluster (with a replication factor of 3). One of the nodes holding this file (a single block) fails. How will the cluster handle the replication of this file in this situation/

A. The cluster will re-replicate the file the next time the system administrator reboots the NameNode daemon (as long as the file's replication doesn't fall two)

B. This file will be immediately re-replicated and all other HDFS operations on the cluster will halt until the cluster's replication values are restored

C. The file will remain under-replicated until the administrator brings that nodes back online

D. The file will be re-replicated automatically after the NameNode determines it is under replicated based on the block reports it receives from the DataNodes

Show Answer
Questions 2

Which is the default scheduler in YARN?

A. Fair Scheduler

B. FIFO Scheduler

C. Capacity Scheduler

D. YARN doesn't configure a default scheduler. You must first assign a appropriate scheduler class in yarn-site.xml

Show Answer
Questions 3

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

yarn.nodemanager.resource.memory-mb

32768

yarn.nodemanager.resource.cpu-vcores

23

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

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

B. Modify yarn-site.xml with the following property: yarn.nodemanager.resource.cpu-vcores 16

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

D. Modify yarn-site.xml with the following property: yarn.scheduler.minimum-allocation-mb 4096

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