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 are impala architecture components?

State some impala hadoop benefits?

How apache impala works with cdh?

What are the names of daemons in impala?

How to call impala built-in functions?

What are the best features of impala?

Compare hive, hbase, and impala?

What are impala built-in functions?

Does impala support generic jdbc?

How to control access to data in impala?

Mention the best features of Apache Sqoop?

What is Sqoop?

What is the Use of Sqoop?

How many default mappers in sqoop ?

Write a quert to import a file in sqoop?

Un-Answered Questions { Big Data }

Why was spark created?

273

Which command is used to show the current hbase user?

192

Explain what is hbase?

150

How are large objects handled in Sqoop?

Does HBase support SQL like syntax?

153

What Is Difference Between Mapreduce and Pig ?

620

What is check pointing in hadoop?

441

List the benefits of using Cassandra.

List the files associated with metadata in hdfs?

How data or file is read in HDFS?

What is the fundamental difference between a MapReduce InputSplit and HDFS block?

620

Where is apache spark used?

278

What is a row in cassandra? And what are the different elements of it?

When was spark introduced?

333

Define role of velocity in big data?

618

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