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 are the functionalities of jobtracer?

409

How does fault tolerance work in mapreduce?

625

What is a scarce system resource?

653

With the help of two examples name the map and reduce function purpose

638

Write a short note on the disadvantages of mapreduce

600

Explain what you understand by speculative execution

606

Explain combiners.

629

when do reducers play their role in a mapreduce task?

616

In mapreduce what is a scarce system resource? Explain?

669

What do you understand by mapreduce?

647

Explain how mapreduce works.

610

What is an input reader in reference to mapreduce?

622

How is mapreduce related to cloud computing?

659

Define the purpose of the partition function in mapreduce framework

663

What are the various input and output types supported by mapreduce?

630

Un-Answered Questions { Big Data }

what are the most common input formats defined in Hadoop?

643

What is lineage graph?

460

What is the difference between sqoop and hive?

What is ZooKeeper Atomic Broadcast (ZAB) protocol?

Explain job scheduling through JobTracker

730

What are the different file permissions in the HDFS for files or directory levels?

146

Can you define parquet file?

275

What are the main components of a Hadoop Application?

1039

What are the different Relational Operators available in pig language?

732

What is Apache Hadoop YARN?

1456

What is zookeper?

How to access HDFS?

What are the particular functionalities of Nagios in Ambari?

What is an Agent?

What is the process of changing the split size if there is limited storage space on Commodity Hardware?

708

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