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?

505

What is zeromq?

523

How do you define a partitioning key?

537

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

544

Which components are used for stream flow of data?

575

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

552

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

585

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

744

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

576

What is struct and explain its purpose?

512

How can we kill a topology?

543

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

568

what is the traditional method of message trfer?

563

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 happens if the number of reducers is 0 in Hadoop?

481

What is different table structure available in the hive?

659

Explain what happens in textinformat ?

748

Is kafka part of hadoop?

513

Define speculative execution?

714

How many types of Tables in Hive?

791

What is Apache Spark Streaming?

325

What is the logistic regression?

436

Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?

436

Whether the output of mapper or output of partitioner written on local disk?

671

Explain NameNode and DataNode in HDFS?

What happens in a textinputformat?

658

How do I start flume in hadoop?

Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?

449

What are the network requirements for using hadoop?

684

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