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 1 - Which of these provides a Stream processing system used in Hadoop ecosystem?

A - Solr

B - Tez

C - Spark

D - Hive

Answer : C

Q 3 - For a HDFS directory the replication factor(RF) is

A - same as the RF of the files in that directory

B - Zero

C - 3

D - Does not apply.

Answer : D

Q 4 - The file in Namenode which stores the information mapping the data block location with file name is −

A - dfsimage

B - nameimage

C - fsimage

D - image

Answer : C

Q 6 - When a backup node is used in a cluster there is no need of

A - Check point node

B - Secondary name node

C - Secondary data node

D - Rack awareness

Answer : A

Q 7 - All the files in a directory in HDFS can be merged together using

A - getmerge

B - putmerge

C - remerge

D - mergeall

Answer : A

Q 10 - You have loads of data that can be processed by you MRjobs. However you need the data to be available to Analysts and Scients in you organisation. What is the best format to represent the input?

A - Sequence File.

B - Avro.

C - XML.

D - HTML.

Answer : B


hadoop_questions_answers.htm

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