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?

153

Explain what is a column family in cassandra?

124

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?

223

Un-Answered Questions { Big Data }

How to enable buckets in Hive?

952

What are the network requirements for hadoop?

474

What are the primary phases of the reducer?

459

Explain what are the tools used in Big Data?

124

What are the main hdfs-site.xml properties?

What do you understand by the term Straggler ?

686

What is the difference between Apache Pig and Hive?

607

Explain the uses of Map Reduce in Pig?

551

What kind of applications is supported by Apache Hive?

812

What are the the issues associated with the map and reduce slots based mechanism in mapReduce?

645

Is namenode also a commodity?

Why is space not freed up when I issue drop table?

Define catalog tables in HBase?

215

What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

1112

What are 4 v's of big data?

292

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