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

Big Data Interview Questions

Questions Answers Views Company eMail

Are multiline comments supported in Hive?

3342

How does MapReduce framework view its input internally?

928

What is the stable version of Hive ?

2668

What are the most commonly defined input formats in Hadoop?

1106

What does /var/hadoop/pids do?

1328

What is the use of Combiner?

1021

What is Hive ?

1048

what is SPF?

1565

what are Task Tracker and Job Tracker?

1128

Explain the basic architecture of Hadoop?

999

On what basis name node distribute blocks across the data nodes?

1108

Name some companies that use Hadoop?

Airtel,

1011

what is hadoop archive?

969

Rack awareness of Namenode?

917

Have you ever used Counters in Hadoop. Give us an example scenario?

1101

Un-Answered Questions { Big Data }

How should 'store' keyword is useful in pig scripts?

682

What is illustrate used for in apache pig?

639

What is the difference betwaeen mapreduce engine and hdfs cluster?

What is apache presto?

I want to see the present working directory in UNIX from hive. Is it possible to run this command from hive?

712

Who was the original author of Cassandra?

What is the use of expand cqlsh command in Cassandra?

Explain Data Locality in Hadoop?

585

What is streaming?

736

Mention what is the difference between hdfs and nas?

Why is apache spark so fast?

299

What is the role of zookeeper in hbase?

187

What do you mean by meta information in hdfs?

Why do we use spark?

348

What port does spark use?

330

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