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?

1059

What is DistributedCache and its purpose?

1 958

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

1 974

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

1 1526

How you can contact your client everyday ?

1018

What is Input Split in hadoop?

1 1059

What is 'Key value pair' in HDFS?

1 1025

How to keep HDFS cluster balanced?

1 1146

What is the port number for NameNode

1 894

What are the benefits of block transfer?

1 1046

How did you debug your Hadoop code ?

1 1434

What will you do when NameNode is down?

1 1071

What is the best hardware configuration to run Hadoop?

1 1682

Should we use RAID in Hadoop or not?

1 1121

How to change Replication Factor For below cases ?

1 1169

Un-Answered Questions { Big Data }

State some DDL Command with brief Description?

When to use explode in Hive?

808

How can I delete the above index named index_bonuspay?

781

How can you import only a subset of rows from a table?

What is the roadmap for apache mahout version 1.0?

What is the function of UNION and SPLIT operators? Give examples?

587

Give me the examples of Columnar database ?

646

Which modes can Hadoop be run in? List a few features for each mode?

521

How job tracker schedules an assignment?

478

When we are using queries instead of scripting?

782

How you can contact your client everyday ?

1018

How do I set up flume agent?

What is the latest version of sqoop?

What is the stable version of Hive ?

2677

What is the latest version of ambari that is available in the present market?

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