C2090-101 by IBM Actual Free Exam Questions And Answers

Question 1

A Resilient Distributed Dataset with Replicated storage level does which of the following?

A. Both "Protects from data loss by recomputing the data" and "Allows you to continue running the task in case of a node failure"

B. Allows you to continue running the task in case of a node failure

C. Guarantees a performance benefit

D. Protects from data loss by recomputing the data

Discussion 0

Correct Answer: D Vote an answer

Question 2

Which BigInsights tool is able to export data from Big SQL?

A. Flume

B. Knox

C. BigSheets

D. Ambari

Discussion 0

Correct Answer: C Vote an answer

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Question 3

Which of the following Pig Latin expressions is used to sum a set of numbers in a bag?

A. X = FOR EACH C -> (group,SUM(A.a1))

B. X = FOREACH C GENERATE FLATTEN SUM (A.a1);

C. X = FOREACH C GENERATE group, SUM (A.a1);

D. X = FOR EACH C GEN [group, SUM (A.a1)];

Discussion 0

Correct Answer: C Vote an answer

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Question 4

Which of the following is most commonly used by Hadoop to move data between clusters?

A. JAQL

B. FTP

C. Pig

D. distcp

Discussion 0

Correct Answer: D Vote an answer

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Question 5

What should you use to run Big SQL queries that require dynamic variables or scheduling?

A. BigInsights Applications

B. BigInsights Console

C. JSqsh

D. Eclipse

Discussion 0

Correct Answer: A Vote an answer

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Question 6

Consider the following Solr query:
curl "http://localhost:8983/solr/gettingstarted/select?wt=json&indent=true&q=foundation" What is the term that is being searched?

A. gettingstarted

B. json

C. foundation

D. indent

Discussion 0

Correct Answer: C Vote an answer

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Question 7

Which of the following Jaq operators groups one or more arrays based on key values and applies an aggregate expression?

A. group

B. join

C. transform

D. expand

Discussion 0

Correct Answer: A Vote an answer

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Question 8

Which of the following Hadoop command flags are used to copy data to the HDFS? (Choose two.)

A. get

B. cp

C. copyFromLocal

D. copyToLocal

E. put

Discussion 0

Correct Answer: C,D Vote an answer

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Question 9

Given a file named readme.txt, which command will copy the readme.txt file to the <user> directory on the HDFS?

A. hadoop fs -put readme.txt hdfs://test.ibm.com:9000/<user>

B. hadoop fs -cp readme.txt hdfs://test.ibm.com:9000/<user>

C. hadoop fs -cp hdfs://test.ibm.com:9000/<user> readme.txt

D. hadoop fs -put hdfs://test.ibm.com:9000/<user> readme.text

Discussion 0

Correct Answer: C Vote an answer

IBM Big Data Engineer - C2090-101 Exam Practice Test

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