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 document store db?

Explain the different types of repairs.

What do you mean by snitch?

How does gossip protocol work?

What is column store db? Explain with an example.

101

What is simple strategy?

133

Why is jconsole used? What is it’s different elements?

What is jmx? And how is it useful in cassandra?

What are the different types of data model?

How does cassandra perform write operations?

Why is cqlsh used?

140

What are tokens in cassandra?

What is a column family?

Explain the terms memtable, commitlog and sstables.

What is hinted handoff?

Un-Answered Questions { Big Data }

State benefits of Hadoop users by using Apache Ambari?

How can an application connect to Hive run as a server?

1217

What are the features of RDD, that makes RDD an important abstraction of Spark?

305

How does inputsplit in mapreduce determines the record boundaries correctly?

695

What is Client API?

287

What is Distributed Cache in Hadoop?

512

Explain transformation and action in RDD in Apache Spark?

307

Is apache flume real time processing framework?

How data or file is written into Hadoop HDFS?

Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?

527

What happens if the block in HDFS is corrupted?

How does spark work with python?

315

What are the relational operators available related to combining and splitting in pig language?

756

Difference between hive and impala?

780

Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?

729

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