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 flume and sqoop?

107

Why is flume used?

How does a log flume work?

What kind of music is flume?

How much does flume cost?

What is “serde” in “hive”?

693

Explain about the smb join in hive?

724

Compare hadoop & spark?

265

What are ‘reduces’?

703

Explain how do ‘map’ and ‘reduce’ work?

607

How do ‘map’ and ‘reduce’ work?

650

Explain the input type/format in mapreduce by default?

579

Can you explain the benefits of big data?

594

Explain the steps to be followed to deploy a big data solution?

502

Can you define fsck?

530

Un-Answered Questions { Big Data }

Define the purpose of the partition function in mapreduce framework

663

What is mandatory while creating a table in cassandra?

What happens if the block in HDFS is corrupted?

What does rdd stand for?

454

How can you use adminclient api?

581

What all tasks you can perform for managing services using Ambari service tab?

Whether Pig Latin language is case-sensitive or not?

659

What are the disadvantages of using Spark?

309

How many layers of Hadoop components are supported by Apache Ambari and what are they?

What are the two main parts of the hadoop framework?

669

What are the functionalities of jobtracker?

672

Explain the terms memtable, commitlog and sstables.

How many types of Tables in Hive?

791

It can be possible that a Job has 0 reducers?

965

Distinguish HDFS Block and Input Unit?

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