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 components that are available in kafka?

553

How to start zookeeper server?

What is the role of the zookeeper?

Difference between cassandra and mongodb?

What we need to be taken care while adding a column?

102

What is the advantage of cassandra?

When should you use cassandra?

106

Elaborate on cassandra - cql?

What is the use of “resultset execute” method?

Cassandra is written in which language?

110

What do you understand by cluster in cassandra?

What do you understand by node in cassandra?

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

How many types of nosql databases?

Define lzo?

203

Un-Answered Questions { Big Data }

What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

681

What is Writable & WritableComparable interface?

972

How spark is faster than hadoop?

283

Mention Hive default read and write classes?

798

What will apache driver do?

Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?

485

Can free form SQL queries be used with Sqoop import command?

What is Row Key?

1035

Explain how you can improve the throughput of a remote consumer?

597

What is bag?

720

What does repartition do in spark?

347

Why do we need a new framework for handling big data?

687

Give a detailed overview about the big data being generated by facebook?

559

What is Apache HBase?

273

Differentiate between PigLatin and Hive?

741

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