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?

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 ?

144

Explain Cqlsh?

Un-Answered Questions { Big Data }

Define column families?

169

What is distinct clause in apache tajo?

What are the basic steps to writing a UDF Function in Pig?

649

In HDFS, how Name node determines which data node to write on?

What is combiner aggregator?

555

Is it possible to run Apache Spark without Hadoop?

263

What is Directed Acyclic Graph in Apache Spark?

378

Explain what is the purpose of RecordReader in Hadoop?

707

what is SStable consist of?

What are spark stages?

282

How do I start flume agent?

Explain various cluster manager in Apache Spark?

362

What is a partitioner and how the user can control which key will go to which reducer?

891

What is zookeper?

What are the default read and write classes in Hive?

609

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