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

Big Data Interview Questions

Questions Answers Views Company eMail

What do you know about nlineoutputformat?

684

How can we change the split size if our commodity hardware has less storage space?

664

How is hadoop different from other data processing tools?

676

What happens in a textinputformat?

658

Can you explain how do ‘map’ and ‘reduce’ work?

734

Can we call vms as pseudos?

653

What do the master class and the output class do?

667

What does job conf class do?

668

What do you know about keyvaluetextinputformat?

600

Define a namenode?

663

Explain the hadoop-core configuration?

693

Explain the benefits of block transfer?

823

Define a task tracker?

644

Define a metadata?

655

Define a daemon?

669

Un-Answered Questions { Big Data }

Define NoSQL Database?

What is LazyOutputFormat in Hadoop?

497

Define the common faults of the developer while using apache spark?

289

In mapreduce what is a scarce system resource? Explain?

669

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

703

How job tracker schedules an assignment?

412

What are some of the different modes used in hadoop.

494

Can you define a block and block scanner in hdfs?

What are the Binary Storage formats supported in Hive?

726

Which companies are mostly using Hive ?

779

What is SequenceFileInputFormat in Hadoop MapReduce?

627

Mention Hadoop core components?

657

If a data Node is full how it's identified?

937

What is yarn in hadoop?

676

How can you delete the DBPROPERTY in Hive?

638

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