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

Hadoop Interview Questions

Questions Answers Views Company eMail

Define Cassandra?

What are the parameters used to create a keyspace?

114

Describe Network Topology Strategy?

138

Give the difference between Drop and Truncate in CQLSH?

How can a user get the information on the version of CQLSH?

Define Simple Strategy?

159

Give a list of Collection data type in Cassandra?

Describe JMX?

How can a user create a Keyspace in Cassandra?

Define primary key in Apache Cassandra?

Define Thrift in Apache Cassandra?

Name different types of the data model?

Give the difference between Column and SuperColumn?

145

Define durable writes?

Define Compaction?

Un-Answered Questions { Hadoop }

Explain the Constituents of Apache ZooKeeper Architecture?

List out the other components of cassandra?

What is spark configuration?

354

Differentiate HDFS & HBase?

How is mapreduce related to cloud computing?

711

What happens if the number of reducers is 0 in Hadoop?

515

What is spark vectorization?

334

Explain what if rack 2 and datanode fails?

678

Name several advantages of Apache Ambari?

What are the main features of SPM in Cassandra?

What is a block?

What is javardd?

303

What is a record reader?

451

Explain some Disadvantages of Avro?

Is hive similar to sql?

778

For More Un-Answered { Hadoop } Questions Click Here