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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: Jan 24, 2023

Q&As: 60

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Same Questions from the Latest Real Exam

CCA-500 Online Practice Questions and Answers

Questions 1

You want to understand more about how users browse your public website. For example, you want to know which pages they visit prior to placing an order. You have a server farm of 200 web servers hosting your website. Which is the most efficient process to gather these web server across logs into your Hadoop cluster analysis?

A. Sample the web server logs web servers and copy them into HDFS using curl

B. Ingest the server web logs into HDFS using Flume

C. Channel these clickstreams into Hadoop using Hadoop Streaming

D. Import all user clicks from your OLTP databases into Hadoop using Sqoop

E. Write a MapReeeduce job with the web servers for mappers and the Hadoop cluster nodes for reducers

Show Answer
Questions 2

Assume you have a file named foo.txt in your local directory. You issue the following three commands:

Hadoop fs mkdir input

Hadoop fs put foo.txt input/foo.txt

Hadoop fs put foo.txt input

What happens when you issue the third command?

A. The write succeeds, overwriting foo.txt in HDFS with no warning

B. The file is uploaded and stored as a plain file named input

C. You get a warning that foo.txt is being overwritten

D. You get an error message telling you that foo.txt already exists, and asking you if you would like to overwrite it.

E. You get a error message telling you that foo.txt already exists. The file is not written to HDFS

F. You get an error message telling you that input is not a directory

G. The write silently fails

Show Answer
Questions 3

Your cluster has the following characteristics:

A rack aware topology is configured and on

Replication is set to 3

Cluster block size is set to 64MB

Which describes the file read process when a client application connects into the cluster and requests a 50MB file?

A. The client queries the NameNode for the locations of the block, and reads all three copies. The first copy to complete transfer to the client is the one the client reads as part of hadoop's speculative execution framework.

B. The client queries the NameNode for the locations of the block, and reads from the first location in the list it receives.

C. The client queries the NameNode for the locations of the block, and reads from a random location in the list it receives to eliminate network I/O loads by balancing which nodes it retrieves data from any given time.

D. The client queries the NameNode which retrieves the block from the nearest DataNode to the client then passes that block back to the client.

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