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 is an Agent?

Explain about the replication and multiplexing selectors in Flume?

100

Differentiate between FileSink and FileRollSink?

107

Why are we using Flume?

Difference between Sqoop and Cassandra?

How are large objects handled in Sqoop?

How Sqoop can be used in a Java program?

How can you check all the tables present in a single database using Sqoop?

Is it possible to do an incremental import using Sqoop?

What is the process to perform an incremental data load in Sqoop?

Can free form SQL queries be used with Sqoop import command?

What is the difference between an RDBMS and Hadoop?

640

How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?

709

What is the data storage component used by Hadoop?

619

When is it not recommended to use MapReduce paradigm for large scale data processing?

654

Un-Answered Questions { Big Data }

How to enable/configure the compression of map output data in hadoop?

766

Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?

449

Name commonly-used Spark Ecosystems

309

What is graph db? Explain with an example.

What is the functionality of Query Processor in Apached Hive ?

707

Is kafka a amqp?

520

Explain deletion in hbase?

148

Who invented the first spark plug?

234

What is Importance of Java in Apache Kafka?

546

What are the main features of SPM in Cassandra?

What is ttl (time to live) in hbase?

186

Explain what is a consumer group?

557

What does a split do?

620

Elaborate on CQL?

When to use hadoop, hbase, hive and pig?

535

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