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

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

How to change from su to cloudera?

676

Why password is needed in ssh localhost?

740

What happens to a namenode, when job tracker is down?

698

What does the command mapred.job.tracker do?

721

How to come out of the insert mode?

723

What is the full form of fsck?

670

Why do we need a password-less ssh in fully distributed environment?

684

Can you give us some more details about ssh communication between masters and the slaves?

656

Can you tell us more about ssh?

677

How does master slave architecture in the hadoop?

761

Explain the wordcount implementation via hadoop framework ?

676

What is hadoop framework?

669

What is partioner in hadoop? Where does it run,mapper or reducer?

629

What is a task instance in hadoop? Where does it run?

584

How to enable recycle bin in hadoop?

718

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Un-Answered Questions { Apache Hadoop }

What are watches?

985

What are the two main parts of the hadoop framework?

609

How the HDFS Blocks are replicated?

911

What problems can be addressed by using Zookeeper?

903

What is a task instance in hadoop? Where does it run?

584

What's the best way to copy files between HDFS clusters?

1324

What is NoSQL?

881

what is SPF?

1473

What are the network requirements for using hadoop?

645

What is HDFS Federation?

934

How to exit the vi editor?

697

What platform and java version are required to run hadoop?

642

What is cloudera and why it is used?

760

What is InputSplit and RecordReader?

879

Can NameNode and DataNode be a commodity hardware?

1642

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