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 }

Which are the elements of kafka?

606

Compare rdbms with hbase?

146

Do I need to know scala to learn spark?

362

What is data skew and how do you fix it?

332

Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

308

Explain what is sequencefileinputformat?

457

What are the three characteristics of big data according to ibm?

489

What is anti-entropy and how is it associated with merkel tree?

How will format the HDFS ?

1063

How do I achieve fifo behavior with kafka?

530

Clarify the NoSQL Database?

How can data transfer be minimized when working with Apache Spark?

295

Does spark store data?

289

List the files associated with metadata in hdfs?

Explain the format of an apache kafka message?

480

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