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

Big Data Interview Questions

Questions Answers Views Company eMail

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1016

What is DistributedCache and its purpose?

902

What is HDFS ? How it is different from traditional file systems?

915

What is HDFS Block size? How is it different from traditional file system block size?

1 1449

How you can contact your client everyday ?

973

What is Input Split in hadoop?

979

What is 'Key value pair' in HDFS?

960

How to keep HDFS cluster balanced?

1097

What is the port number for NameNode

839

What are the benefits of block transfer?

992

How did you debug your Hadoop code ?

1369

What will you do when NameNode is down?

999

What is the best hardware configuration to run Hadoop?

1624

Should we use RAID in Hadoop or not?

1058

How to change Replication Factor For below cases ?

1085

Un-Answered Questions { Big Data }

Write the command to start and stop the spark in an interactive shell?

273

Why are spark transformations lazy?

292

What is the maximum recommended cell size?

174

What is the use of mysql connector?

what is (HS2) HiveServer2?

677

What does a split do?

620

What is yarn in hadoop?

676

What are the 2 types of table in hive?

683

Can we change the body of the flume event?

What is the use of explode in Hive?

728

Is apache spark part of hadoop?

299

What are the roles and responsibilities of worker nodes in the Apache Spark cluster? Is Worker Node in Spark is same as Slave Node?

355

What do you understand by bloom filter in cassandra?

Why is jconsole used?

What if a namenode has no data?

667

For More Un-Answered { Big Data } Questions Click Here