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

Hadoop Interview Questions

Questions Answers Views Company eMail

What do you understand by Commit log in Cassandra?

What is the Use of Cassandra Database ?

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 ?

Un-Answered Questions { Hadoop }

What is the difference between rdd and dataframe?

339

What is difference between flume and kafka?

What is the purpose of RawComparator interface?

1129

what is distributed cache in mapreduce framework?

676

What is the hadoop-core configuration?

463

What are the main components of spark?’

321

Which database the sqoop metastore runs on?

Explain about the different types of transformations on DStreams?

387

What do you mean by replication strategy?

What is the advantage of cassandra?

What is apache flume used for?

What is hector?

What is the difference between hbase and hdfs?

171

What is having clause in apache tajo?

What are the components of Pig Execution Environment?

568

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