Apache Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

Give the use of the bootstrap panel.

706

What are the functionalities of jobtracker?

710

Is it possible to provide multiple inputs to hadoop? If yes, explain.

705

What are the network requirements for using hadoop?

720

What is the relation between job and task in hadoop?

705

What do you know by storage and compute node?

725

What is the purpose of button groups?

803

Name the various types of lists supported by bootstrap.

721

How many instances of a jobtracker run on hadoop cluster?

683

How do you categorize a big data?

825

What is inputsplit in hadoop? Explain.

833

What platform and java version are required to run hadoop?

727

What is the functionality of jobtracker in hadoop?

764

What are the hadoop's three configuration files?

737

What is a namenode? How many instances of namenode run on a hadoop cluster?

691

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Un-Answered Questions { Apache Hadoop }

What is the best hardware configuration to run Hadoop?

1664

What is the jobtracker and what it performs in a hadoop cluster?

664

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1071

Which is the best hadoop certification?

709

Explain the features of fully distributed mode?

670

What is Distributed Cache?

937

What is a namenode? How many instances of namenode run on a hadoop cluster?

691

What is a block and block scanner in HDFS?

1061

What is difference between regular file system and HDFS?

1089

How can you connect an application

1060

Why the name ‘hadoop’?

656

Command to format the NameNode?

979

What is the heartbeat used for?

1080

How to keep HDFS cluster balanced?

1131

How to change Replication Factor For below cases ?

1147

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