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?

171

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?

101

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 }

Write a query to insert a new column(new_col int) into a hiev table (htab) at a position before an existing column (x_col)

823

Name some Complex types of Data types, Avro Supports?

how can you check whether Namenode is working beside using the jps command?

725

What do you understand about yarn?

307

Name the three layers, Ambari supports?

What are some typical functions of job tracker in hadoop?

474

Do we need to give a password, even if the key is added in ssh?

764

Is spark better than hadoop?

338

How can you compare Hadoop and Spark in terms of ease of use?

304

Explain about the different types of trformations on dstreams?

319

What are the features of Spark?

305

Define Mem-table in Cassandra?

184

What is the importance of — the split-by clause in running parallel import tasks in sqoop?

What is the jobtracker and what it performs in a hadoop cluster?

664

Explain what is memtable in cassandra?

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