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 is sqoop in Hadoop ?

683

What do you understand by the term Straggler ?

685

Explain about the basic parameters of mapper and reducer function

1046

How many InputSplits is made by a Hadoop Framework?

642

What do you understand by compute and storage nodes?

680

Explain job scheduling through JobTracker

730

List the network requirements for using Hadoop ?

626

What is the next step after Mapper or MapTask?

641

What are the main components of MapReduce Job?

679

What is the relationship between Job and Task in Hadoop?

661

What combiners is and when you should use a combiner in a MapReduce Job?

623

How to set mappers and reducers for Hadoop jobs?

612

What are the data components used by Hadoop?

737

What is the best way to copy files between HDFS clusters?

667

Is it possible to search for files using wildcards?

641

Un-Answered Questions { Big Data }

Is spark and hadoop same?

266

Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

164

What is Apache Spark Streaming?

326

How does big data help in increasing business revenue?

484

What is Apache Hadoop YARN?

1454

What is the port number for NameNode

839

Why scala is used in spark?

328

Can we have multiple entries in the master files?

694

What are the different pig data types?

745

How does spark program work?

273

Name a few import control commands. How can Sqoop handle large objects?

Difference between external table and internal table in HIVE ?

921

What are the main classes of Data Transfer API?

What are the different types of tombstone markers in HBase for deletion?

866

When does impala hold on to or return memory?

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