Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is the latest version of ambari that is available in the market and what is the feature that they have added in it?

What are the areas where ambari helps the system administrators to do?

Give any two features of flume?

102

What is fluming?

161

Does apache flume support third-party plugins?

Is it possible to leverage real time analysis on the big data collected by flume directly? If yes, then explain how?

Why we are using flume?

Mention when to use Map reduce mode?

684

what Hive is composed of ?

729

Give the command to see the indexes on a table?

965

Can the name of a view be same as the name of a hive table?

810

Explain the Use of Hive?

746

What is the difference between like and rlike operators in hive?

801

How to managed create a table in hive ?

769

what is Metastore in Hive?

723

Un-Answered Questions { Big Data }

What is the difference between Job and Task in MapReduce?

661

What is Sqoop Validation?

What is a block?

What is the use of rdd in spark?

286

How data or file is written into HDFS?

What are Actions?

334

Explain how mapreduce works.

677

What is aggregatebykey spark?

291

What is a partition in Hive?

956

What is the difference between external table and managed table?

1022

Since the data is replicated thrice in hdfs, does it mean that any calculation done on one node will also be replicated on the other two?

What are the commonalities between pig and hive?

624

What is spark context spark session?

297

How to change the replication factor of data which is already stored in HDFS?

Can you explain difference between apache mahout and apache spark’s mllib?

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