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

Hadoop Interview Questions

Questions Answers Views Company eMail

What is the advantage of using –password-file rather than -P option while preventing the display of password in the sqoop import statement?

What do you mean by Free Form Import in Sqoop?

What is the role of JDBC driver in Sqoop?

Is JDBC driver enough to connect sqoop to the databases?

What is the work of Export in Hadoop sqoop?

Use of Codegen command in Hadoop sqoop?

Use of Help command in Hadoop sqoop?

How can you schedule a sqoop job using Oozie?

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

What is a sqoop metastore?

What is ZooKeeper?

What are the Benefits Of Distributed Applications?

What are the Benefits Of Zookeeper?

What is the zookeeper daemon name?

What is Apache Zookeeper Meant For?

Un-Answered Questions { Hadoop }

Explain HCatalog Architecture in Brief?

How to create database statement in apache tajo?

What is the difference between a MapReduce InputSplit and HDFS block?

706

How can you implement machine learning in Spark?

262

Explain the Use of Hive?

660

What is apache spark good for?

274

What is salting in spark?

399

Which components are used for stream flow of data?

537

What are the network requirements for hadoop?

456

How to transfer data from Hive to HDFS?

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

647

Explain Features of Pig?

630

What happens to a NameNode that has no data?

1543

What is the maximum number of rows in a table?

Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?

291

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