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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain about the scalar datatypes in Apache Pig?

975

Explain the uses of PIG?

1011

What are the complex datatypes in pig?

1028

What does illustrate do in Apache Pig?

969

What is UDF?

973

What are the different types of UDF's in Java supported by Apache Pig?

1095

What is the usage of foreach operation in Pig scripts?

920

How will you merge the contents of two or more relations and divide a single relation into two or more relations?

976

What is the MapReduce plan in pig architecture?

1111

What are the advantages of pig language?

922

What are the different execution mode available in Pig?

1094

Define Spark Streaming.

429

Hadoop uses replication to achieve fault tolerance. How is this achieved in Apache Spark?

428

What is lineage graph?

472

What are benefits of Spark over MapReduce?

473

Un-Answered Questions { Big Data }

Is there a module to implement sql in spark?

299

What are the main components of MapReduce Job?

743

Is spark a mapreduce?

327

What do masters consist of?

730

What do you understand by the term snitch in cassandra? Give some example.

Explain values() operation in apache spark?

547

How do I change hive execution engine to spark?

315

What is the significance of Sliding Window operation?

322

What are different logging levels in cassandra?

What is apache presto?

What are possible types of Channel Selectors?

105

What is Balancer in Hadoop?

541

What are the different functions available in pig latin language?

610

List the common input formats used in hadoop.

574

Why do people use spark?

288

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