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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain how it is different from the other original tables?

Explain the concept of cassandra data model?

116

Explain the memtable in cassandra?

What do you understand by cassandra?

What do you understand by the term snitch in cassandra?

Discuss the precautions that are needed to take care while adding a column?

What are different logging levels in cassandra?

Describe the different consistency levels for read operation in cassandra?

Give the differences between the different types of primary keys in cassandra?

What are the main benefits of using cassandra?

What do you mean by tunable consistency?

102

What do you understand by logging in cassandra?

What do you mean by ss table?

Discuss and explain the various types of partitioners in cassandra?

What do you understand by the super column in cassandra?

Un-Answered Questions { Big Data }

Explain what is namenode in hadoop?

486

How is the option in Hadoop to skip the bad records?

990

Explain Erasure Coding in Hadoop?

557

What is a spark standalone cluster?

264

What is TaskTracker?

525

Who creates dag in spark?

360

What is a map side join?

737

Tell me some major benefits of Hadoop?

459

Is it necessary to write a mapreduce job in java?

671

What exactly is apache spark?

309

What is spark parallelize?

327

What are the limitations of Hive?

1074

Which technique can you use in hbase to access hfile directly without the help of hbase?

182

What is Spark SQL?

325

How to Alter Hive Database?

784

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