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

Big Data Interview Questions

Questions Answers Views Company eMail

How to invoke Command Line Interface?

Who is intended audience to learn HCatalog?

Explain HCatalog Create Table CLI along with its syntax?

State some DDL Command with brief Description?

Explain Apache Ambari?

How many layers of Hadoop components are supported by Apache Ambari and what are they?

What are the particular functionalities of Ganglia in Ambari?

What are the particular functionalities of Nagios in Ambari?

Name several advantages of Apache Ambari?

Who should learn Apache Ambari?

Explain Apache Ambari architecture?

Can Ambari manage multiple clusters?

What are the major areas where Ambari helps the system administrators to do?

What are the different types of Ambari repositories?

What is a local repository and when will you use it?

160

Un-Answered Questions { Big Data }

What does map transformation do? Provide an example.

277

What are the operating systems supported by Apache Ambari?

What is the hadoop-core configuration?

433

What is the jobtracker?

585

Is Apache Spark a good fit for Reinforcement learning?

276

What are the different components of Cassandra?

103

Why do we need Hadoop Archives? How is it created?

515

What are the limitations of Spark?

273

What are the different components of a Hive query processor?

1380

What is the significance of the line set hive.mapred.mode = strict;?

754

If DataNode increases, then do we need to upgrade NameNode in Hadoop?

418

What are the functionalities of jobtracker?

624

What is the non dfs used?

509

What is the use of tracing cqlsh command in Cassandra?

Differentiate between GROUP and COGROUP operators?

581

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