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 different types of Znodes?

1016

How many instances of JobTracker can run on a Hadoop Cluser?

1060

What's the best way to copy files between HDFS clusters?

1397

Can Apache Kafka be used without Zookeeper?

1092

What is Your Cluster size ?

1472

What is the default block size in hdfs?

1086

What are active and passive "NameNodes"?

1514

It can be possible that a Job has 0 reducers?

1020

What are combiners and its purpose?

979

On what basis Namenode will decide which datanode to write on?

1304

Can Hadoop be compared to NOSQL database like Cassandra?

966

What is a Secondary Namenode? Is it a substitute to the Namenode?

1073

what are relational operations in pig latin?

924

What is the difference between SQL and NoSQL?

1145

What are the additional benefits YARN brings in to Hadoop?

1018

Un-Answered Questions { Big Data }

How does data transfer happen from hdfs to hive?

157

Specify Cassandra’s importance on Facebook?

155

What are the tools that are used in ambari monitoring?

Explain what is hadoop?

476

Can you define oozie?

578

What are some of the apache pig use cases you can think of?

541

Explain ALTER Table statement in Hive?

770

What is a Heartbeat in Hadoop?

618

Explain what is the function of mapreduce partitioner?

691

What is apache spark core?

313

What is application master in spark?

298

What do you mean by “data centre” in cassandra?

How to configure the number of the Combiner in MapReduce?

674

What is the role of alter keyspace?

Explain Spark Executor

296

For More Un-Answered { Big Data } Questions Click Here