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 Hive Data Definition language?

971

Is the following approach correct? Is the sqrt Of Sum Of Sq a valid reducer?

451

Clarify what is sqoop in hadoop?

419

Explain various cluster manager in Apache Spark?

381

Can we run Apache Spark without Hadoop?

306

How will you explain COGROUP in Pig?

626

Do I need to know scala to learn spark?

362

Highlight the key differences between MapReduce and Apache Pig?

706

What are the commonalities between pig and hive?

587

How can you see the list of stored jobs in sqoop metastore?

How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?

699

Is sqoop an etl tool?

What are the three components of Cassandra write?

116

What are shared variables in spark?

304

What is a block in Hadoop HDFS? What should be the block size to get optimum performance from the Hadoop cluster?

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