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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

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?

169

What are the tools you need to build Ambari?

114

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 is the utilization of hcatalog?

686

Do you need to install spark on all nodes of yarn cluster?

2033

What is the input type/format in MapReduce by default?

1069

List some use cases of apache kafka?

476

Name the ports Cassandra uses?

How many filters are available in HBase?

441

what is Memtable in Cassandra?

109

State some Ambari components which we can use for automation as well as integration?

110

What is a shuffle block in spark?

275

What is troubleshooting for impala?

What is difference between rdd and dataframe?

348

What is the difference between sort by and order by in hive?

680

Explain task granularity

647

What are the uses and applications of mahout ?

Which operating system(s) are supported for production hadoop deployment?

428

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