Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How can we create children / sub-znode?

How can we remove a znode?

Explain the zookeeper workflow?

What are the basics of zookeeper api?

What is mandatory while creating a table in cassandra?

Explain what is cassandra?

List out the other components of cassandra?

What is the use of cassandra and why to use cassandra?

143

Explain what is a column family in cassandra?

114

what is a cluster in cassandra?

what are the main components of cassandra data model?

what is composite type in cassandra?

what are the values stored in the cassandra column?

When to use secondary indexes?

What are the benefits of NoSQL over relational database?

214

Un-Answered Questions { Big Data }

What is the purpose of exploding in hive?

624

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

578

What are the different zkclientbindings?

How do I start a spark server?

281

how to proceed to write your first mapreducer program?

1303

What are partitions in cassandra?

What are Watches in ZooKeeper?

What do you mean by consistency in Cassandra?

182

What is Output Format in MapReduce?

651

How do I install spark?

256

Why apache spark is faster than hadoop?

364

What is the definition of Hive?

687

When does impala hold on to or return memory?

What can skew the mean?

258

What is the default replication factor and how will you change it?

483

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