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 }

Explain Spark streaming?

259

What is a Secondary Namenode? Is it a substitute to the Namenode?

996

Is the keyword 'DEFINE' like a function name?

903

What are the various input and output types supported by mapreduce?

582

Can I run Apache Spark without Hadoop?

279

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

What is MapReduce? What are the syntax you use to run a MapReduce program?

638

Explain the role of the Kafka Producer API?

494

Why is rdd immutable?

305

What language is apache spark?

280

Explain a scenario where you will be using spark streaming.

1452

Explain the use of tasktracker in the hadoop cluster?

610

What is stage and task in spark?

213

What is the syntax to create keyspace in Cassandra?

122

How do I download and install spark?

281

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