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?

169

Un-Answered Questions { Big Data }

What is meant by Transformation? Give some examples.

293

What are the different collection type in Hive?

665

What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?

515

Explain when using field grouping in storm, is there any time-out or limit to known field values?

560

State some key Points about Apache Avro?

Which language is more suitable for text analytics? R or python?

411

What is Identity reducer?

482

What happens to existing data in my cluster when I add new nodes?

213

what are the values stored in the cassandra column?

What is a partitioning key?

519

What is the difference between RDBMS with Hadoop MapReduce?

776

What can I do with my m&s sparks points?

315

Why slaves limited to 4000 in hadoop version 1?

445

What purpose would an engineer use spark?

395

How many filters are available in HBase?

419

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