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?

114

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?

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 }

What is flatten in pig?

620

Explain the process that overwrites the replication factors in HDFS?

What is Hive Present Version ?

1092

What is difference between cache and persist in spark?

275

What is the difference between Pig and SQL?

634

What is the role of Consumer API?

509

What is HBase?

359

What does secondary name-node means?

427

How can I improve my spark performance?

286

What is MapReduce in Hadoop?

639

Explain SHOW and DESCRIBE Commands in Hive?

746

How blocks are distributed among all data nodes for a particular chunk of data?

1090

How can a user create a Keyspace in Cassandra?

What is purpose of RecordWriter in Hadoop?

509

can you explain about configuration files?

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