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 are the basic available commands in Hadoop sqoop ?

964

On What concept the Hadoop framework works?

1200

How to write a Custom Key Class?

939

What if rack 2 and datanode fails?

1060

How client application interacts with the NameNode?

957

How is the option in Hadoop to skip the bad records?

949

How the HDFS Blocks are replicated?

965

Explain InputFormat?

1015

What is Rack awareness?

999

How will format the HDFS ?

1063

what are the steps involved in commissioning adding

909

How to use Apache Zookeeper command line interface?

1137

Can NameNode and DataNode be a commodity hardware?

1679

What are the steps to submit a Hadoop job?

906

What is the heartbeat used for?

1045

Un-Answered Questions { Big Data }

What is the use of foreach operation in Pig scripts?

594

When do you have to avoid secondary indexes?

What is Apache Spark and what are the benefits of Spark over MapReduce?

279

Explain what is storage and compute nodes?

512

What is the difference between kafka and mq?

521

What is partitioner spark?

278

Is Hive supports Temporary Tables?

1009

Can flume provide 100% reliability to the data flow?

What are the additional benefits YARN brings in to Hadoop?

963

What do you use spark for?

355

What infrastructure do we need to process 100 TB data using Hadoop?

1005

How to specify more than one directory as input to the MapReduce Job?

697

Can you explain apache kafka?

516

How can multi-hop agent be set up in Flume?

118

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

766

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