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?

1057

What is DistributedCache and its purpose?

949

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

961

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

1 1517

How you can contact your client everyday ?

1012

What is Input Split in hadoop?

1050

What is 'Key value pair' in HDFS?

1017

How to keep HDFS cluster balanced?

1141

What is the port number for NameNode

889

What are the benefits of block transfer?

1039

How did you debug your Hadoop code ?

1423

What will you do when NameNode is down?

1063

What is the best hardware configuration to run Hadoop?

1674

Should we use RAID in Hadoop or not?

1115

How to change Replication Factor For below cases ?

1161

Un-Answered Questions { Big Data }

What are features of apache spark?

351

How do you parse data in xml? Which kind of class do you use with java to parse data?

357

What is crontab? Explain with suitable example?

1100

Why do fires spark?

316

Where is hadoop-env.sh file present?

545

How can the columns of a table in hive be written to a file?

758

Is it necessary to write jobs for hadoop in the java language?

717

What are the main features of SPM in Cassandra?

What does consumer api in kafka?

556

What is master node in spark?

321

What is the use of recordreader in hadoop?

466

Elaborate kafka architecture?

568

What is coalesce in spark sql?

330

RLIKE in Hive?

840

What exactly kafka does?

535

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