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 different types of Ambari repositories?

What is a local repository and when will you use it?

What are the tools you need to build Ambari?

What are the different tools used for Ambari monitoring purpose?

What is Yum?

What are the benefits of setting up a local repository?

What is the latest version of Ambari that is available in the market?

Explain different life cycle commands in Ambari?

What is the Repository?

What is the feature that they have added in the latest release?

What all tasks you can perform for managing services using Ambari service tab?

What are the operating systems supported by Apache Ambari?

What all tasks you can perform for managing host using Ambari host tab?

Explain some of the basic commands used for Apache Ambari server?

What is Apache Avro?

Un-Answered Questions { Hadoop }

How is the processing of streaming data achieved in Apache Spark? Explain.

233

Name some best features of Ambari?

How to Delete directory from HDFS?

How many ways we can create rdd?

232

What is in memory processing in spark?

231

Name a few companies that use Apache Spark in production?

283

What are the different Complex Data Types available in Hive?

714

What is the difference between Cassandra and Hadoop ?

Is avro supported?

How can one increase replication factor to a desired value in Hadoop?

903

What do you mean by Speculative execution in Apache Spark?

241

What is a RecordReader in Hadoop MapReduce?

493

Is spark written in java?

249

How to keep HDFS cluster balanced?

911

Explain REVERSE function in Hive with example?

575

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