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

Big Data Interview Questions

Questions Answers Views Company eMail

Mention what is the meaning of broker in kafka?

472

What is zeromq?

492

How do you define a partitioning key?

508

Explain how to write the output into a file using storm?

510

Which components are used for stream flow of data?

532

Mention what is the difference between apache kafka and apache storm?

512

Explain when using field grouping in storm, is there any time-out or limit to known field values?

558

Explain how you can reduce churn in isr? When does broker leave the isr?

700

Is it necessary to kill the topology while updating the running topology?

536

What is struct and explain its purpose?

475

How can we kill a topology?

507

While installing, why does apache have three config files - srm.conf, access.conf and httpd.conf?

536

what is the traditional method of message trfer?

522

What is the process of creating ambari client?

What are the three layers where the hadoop components are actually supported by ambari?

Un-Answered Questions { Big Data }

What is Distributed Cache?

857

What are the functionalities of jobtracker?

630

Why is block size set to 128 MB in Hadoop HDFS?

Is apache spark a framework?

259

What are the ways in which Apache Spark handles accumulated Metadata?

341

TRIM function in Hive with example?

679

How do you run the pig scripts in local mode?

483

What does FOREACH do?

526

What are the best features of impala?

Explain what does the conf.setmapper class do?

573

What is sharding in big data?

443

Who is intended audience to learn HCatalog?

I want to see the present working directory in UNIX from hive. Is it possible to run this command from hive?

625

What is the difference between spark and python?

292

What is the current version of Hive?

728

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