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

Big Data Interview Questions

Questions Answers Views Company eMail

Does Cassandra works on Windows?

What is Cassandra Data Modelling ?

Name the ports Cassandra uses?

What is Cassandra Data Model?

What is a Seed Node in Cassandra ?

What are the three components of Cassandra write?

116

What do you understand by Thrift?

What is Thrift?

Explain what is a keyspace in Cassandra?

What do you mean by commit log in Cassandra?

What is SuperColumn in Cassandra?

109

What is a Cluster, Node and Key space in Cassandra ?

199

What is node in Cassandra?

Elaborate on CQL?

What is the purpose of JConsole?

Un-Answered Questions { Big Data }

Explain the general mapreduce algorithm

647

How to use Avro?

What are the different execution mode available in Pig?

1049

What are the languages in which Apache Spark create API?

298

What are the four basic parameters of a mapper?

567

What is the default partition in spark?

288

In which location Name Node stores its Metadata and why?

1393

Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

299

How to submit extra files(jars, static files) for MapReduce job during runtime?

671

Explain how do you overwrite replication factor?

434

What is the role of the zookeeper?

How is security achieved in Hadoop?

523

Why do we need a new framework for handling big data?

629

What is high availability in hadoop?

674

What are the majorly used commands in sqoop?

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