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 general Prerequisites to learn HCatalog?

How HCatalog helps to capture processing states to enable sharing?

How to invoke Command Line Interface?

Who is intended audience to learn HCatalog?

Explain HCatalog Create Table CLI along with its syntax?

State some DDL Command with brief Description?

Explain Apache Ambari?

How many layers of Hadoop components are supported by Apache Ambari and what are they?

What are the particular functionalities of Ganglia in Ambari?

What are the particular functionalities of Nagios in Ambari?

Name several advantages of Apache Ambari?

Who should learn Apache Ambari?

Explain Apache Ambari architecture?

Can Ambari manage multiple clusters?

What are the major areas where Ambari helps the system administrators to do?

Un-Answered Questions { Hadoop }

Which command is used to show the current hbase user?

189

List the popular use cases of Apache Spark?

273

What is the concept of SuperColumn in Cassandra?

Apache Flume support third-party plugins also?

What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?

562

Explain pipe() operation in Apache Spark?

282

Use of import-all-tables command in hadoop sqoop?

What do you understand by data center in cassandra?

How do I get apache spark on windows 10?

272

What is a task tracker?

Cassandra is written in which language?

Whenever we run hive query, new metastore_db is created. Why?

648

List commonly used machine learning algorithm?

274

How is rdd distributed?

301

What is mllib?

269

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