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

Big Data Interview Questions

Questions Answers Views Company eMail

How can you use adminclient api?

620

What is the difference between rdbms and hadoop?

679

Define tasktracker.

691

Is it necessary to write jobs for hadoop in the java language?

714

Which command is used for the retrieval of the status of daemons running the hadoop cluster?

751

What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

839

Is it necessary to know java to learn hadoop?

712

Explain the use of .mecia class?

823

What is the sequencefileinputformat in hadoop?

766

What is the difference between hadoop and other data processing tools?

734

Which data storage components are used by hadoop?

703

Give the use of the bootstrap panel.

711

What are the functionalities of jobtracker?

721

Is it possible to provide multiple inputs to hadoop? If yes, explain.

718

What are the network requirements for using hadoop?

725

Un-Answered Questions { Big Data }

What is Resilient Distributed Dataset (RDD) in Apache Spark? How does it make spark operator rich?

304

What are spark stages?

316

What is spark written?

348

Define primary key in Apache Cassandra?

Give me the examples of Columnar database ?

631

What are the all tasks we can perform for managing services using the ambari service tab?

Why do we use persist () on links rdd?

315

What are the the issues associated with the map and reduce slots based mechanism in mapReduce?

693

Differentiate between describe and describe extended?

743

What are the usage of different consistency levels for write operations ?

What is hadoop technology?

317

What types of costs are associated in creating index on hive tables?

883

Explain the commit log?

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

502

What is the need of MapReduce in Hadoop?

685

For More Un-Answered { Big Data } Questions Click Here