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 the default value of map and reduce max attempts?

981

What is the Reducer used for?

990

What comes in Hadoop 2.0 and MapReduce V2 YARN

1055

Why comparison of types is important for MapReduce?

1015

What is the InputSplit in map reduce ?

1084

In which scenario Pig is better fit than MapReduce?

879

What do you mean by a bag in Pig?

1038

Different running modes for running Pig?

930

What are different modes of execution in Apache Pig?

923

What is the role of Zookeeper in HBase architecture?

610

What are the different types of tombstone markers in HBase for deletion?

866

Is there any difference between HBase datamodel and RDBMS datamodel?

1094

What is Apache Flume?

108

What is difference between memory channel and file channel in flume?

How multi-hop agent can be setup in Flume?

110

Un-Answered Questions { Big Data }

Explain benefits of lazy evaluation in RDD in Apache Spark?

331

What are the different tools used for Ambari monitoring purpose?

How hdfs is different from traditional file systems?

Explain how it is different from the other original tables?

Can you explain indexing?

480

What are the features of kafka?

587

What is the command for archiving a group of files in hdfs.

Does Apache Spark provide check pointing?

419

Does spark need yarn?

261

What type of data hadoop can handle ?

479

Write command to copy a file from HDFS to linux(local).

What are the different elements of row in cassandra?

Explain the process for starting a kafka server?

567

Explain the Features of HBase?

217

What is active and passive NameNode in Hadoop?

509

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