Hadoop Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Hadoop Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 3 - The default replication factor for HDFS file system in hadoop is

A - 1

B - 2

C - 3

D - 4

Answer : C

Q 4 - The information mapping data blocks with their corresponding files is stored in

A - Data node

B - Job Tracker

C - Task Tracker

D - Namenode

Answer : D

Q 7 - The replication factor of a file in HDFS can be changed using

A - changerep

B - rerep

C - setrep

D - xrep

Answer : C

Q 8 - Which technology is used to serialize the data in Hadoop?

A - HBase

B - Avro

C - Sqoop

D - Zookeeper

Answer : B

Q 10 - Which of the following components retrieves the input splits directly from HDFS to determine the number of map tasks?

A - The NameNode.

B - The TaskTrackers.

C - The JobClient.

D - The JobTracker.

E - None of the options is correct.

Answer : D


hadoop_questions_answers.htm

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