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 }

What are the advantages of using mapreduce with hadoop?

336

What is difference between cache and persist in spark?

192

Difference between external table and internal table in HIVE ?

608

What is Cassandra-CQL collection?

What is mapper in map reduce?

365

How do you handle compression in pig?

288

Can we run unix shell commands from the hive? Give example?

448

Which command do we use to insert data in HCatalog?

Can you join multiple fields in apache pig scripts?

330

How can native libraries be included in yarn jobs?

250

Explain textFile Vs wholeTextFile in Spark?

283

What are the complicated steps in Flume configurations?

103

Which one is better hadoop or spark?

199

What is a difference between an input split and hdfs block?

How does Cassandra delete data?

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