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

Big Data Interview Questions

Questions Answers Views Company eMail

Name the types of tunable consistency?

What is the History of Cassandra Database ?

What is the Virtual Node in Cassandra ?

What is the main objective of creating Cassandra?

106

What is Replication Factor in Cassandra?

Define the consistency levels for read operations in Cassandra?

Name some features of Apache Cassandra?

How to iterate all rows in ColumnFamily?

What is a column family in Cassandra?

Name different types of NoSQL database?

What is SSTable?

Define data replication?

What is the Cassandra Coefficient ?

What is the relationship between Hadoop, HBase, Hive and Cassandra ?

147

Explain Cqlsh?

Un-Answered Questions { Big Data }

What do you know about keyvaluetextinputformat?

600

What is sc textfile?

335

What is the default replication factor?

988

What is python spark?

332

Main Components of Hadoop?

769

What is Spark.executor.memory in a Spark Application?

305

How to resolve IOException: Cannot create directory

1016

Clarify what is sqoop in hadoop?

419

What are the responsibilities of a data analyst?

615

Define the level of parallelism and its need in spark streaming?

391

What is Flume Client?

Can you explain spark streaming?

307

What is hadoop? Name the main components of a hadoop application?

445

What are the common types of NOSQL data bases ?

445

What is spark deploy mode?

313

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