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 identify whether a given operation is transformation or action?

1 285

Explain the use of broadcast variables

1 342

How do you parse data in xml? Which kind of class do you use with java to pass data?

1 325

Explain sortbykey() operation?

1 307

List various commonly used machine learning algorithm?

1 396

What are the ways in which one can know that the given operation is transformation or action?

1 296

Describe join() operation. How is outer join supported?

1 308

What is the method to create a data frame?

1 331

On what all basis can you differentiate rdd, dataframe, and dataset?

1 331

How can you manually partition the rdd?

1 318

How to create an rdd?

1 313

What is an rdd?

1 326

Explain the top() and takeordered() operation?

1 352

What are the major features/characteristics of rdd (resilient distributed datasets)?

1 323

What is the difference between map and flatmap?

1 328

Un-Answered Questions { Big Data }

How to skip header rows from a table in Hive?

872

How do I set up flume agent?

Which modes can Hadoop be run in? List a few features for each mode?

517

What is the roadmap for apache driver version one.0?

Explain how RDDs work with Scala in Spark

355

How you can contact your client everyday ?

1013

How job tracker schedules an assignment?

472

What is the latest version of ambari that is available in the present market?

How to set property in apache tajo?

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

What is meant by Transformation? Give some examples.

328

What is the roadmap for apache mahout version 1.0?

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

518

What is a Hive variable? What for we use it?

854

What is the latest version of sqoop?

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