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

Hadoop Interview Questions

Questions Answers Views Company eMail

Can you add or remove Column Families in a working Cluster?

What is CQL?

Define composite type in Cassandra?

What is the best method for Storing Objects in Cassandra ?

Describe Replication Factor?

Define commit log?

What is the difference between Primary, Partition and Cassandra ?

What is the difference between Cassandra and Hadoop ?

What is the Internal Architecture of the Cassandra Database ?

What is the most widely used API Write Data to Cassandra ?

What is keyspace in Cassandra?

What do you understand by Kundera?

What is tunable consistency in Cassandra?

Explain what is Cassandra-Cqlsh?

Define Node?

201

Un-Answered Questions { Hadoop }

Mention what is the difference between hdfs and nas?

What is scala spark?

301

What do you mean by taskinstance?

750

Mention some basic tajo shell commands?

how JobTracker schedules a task ?

851

List few differences between apache kafka and rabbitmq?

570

What are the benefits of apache kafka over the traditional technique?

998

What is bucketing ?

683

What are the all tasks we can perform for managing services using the ambari service tab?

Specify the different methods of hive?

723

Compare rdbms with hbase?

146

What is in memory processing in spark?

276

What are the common mistakes developers make when running Spark applications?

286

What is log compaction?

531

Explain HCatLoader APIs?

For More Un-Answered { Hadoop } Questions Click Here