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

Hadoop Interview Questions

Questions Answers Views Company eMail

What are the methods to set up the local repository in different methods?

How to setup the local repository manually?

What are the different tools used for the ambari monitoring purpose?

What bit version ambary needs and list out the operating system that are compatible?

In ambari 2.6.2 version added the following features:

Can you explain apache ambari?

What does the ambari shell can be provided?

What are the types of ambari repositories are available?

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

Define yum?

How can we have to see the all hosts that are available in the ambari?

What are components of ambari tjat are important for automation and integration?

In which language ambari shell is developed?

How can we have to see all the clusters that are available in ambari?

What are the tools that are we needed or helps to build ambari?

Un-Answered Questions { Hadoop }

What is a Secondary Namenode? Is it a substitute to the Namenode?

1040

Name some Complex types of Data types, Avro Supports?

What are the basic available commands in Hadoop sqoop ?

974

What is the purpose of RecordReader in hadoop?

487

how you can get exactly once messaging from Kafka during data production?

561

Difference between hbase and rdbms?

176

Which command is used to show the current hbase user?

192

Explain what is hbase?

156

Why HDFS?

How data or file is read in Hadoop HDFS?

What is paired rdd in spark?

350

After increasing the replication level, I still see that data is under replicated. What could be wrong?

465

What is the Use of Sqoop?

How do sparks work?

350

What is the difference between Caching and Persistence in Apache Spark?

323

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