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

Big Data Interview Questions

Questions Answers Views Company eMail

What is difference between scala and spark?

331

What is apache spark sql?

313

What is spark reducebykey?

293

Do I need scala for spark?

314

Is spark built on top of hadoop?

331

What exactly is apache spark?

309

Where is spark rdd?

280

What is spark yarn executor memoryoverhead?

374

Is apache spark worth learning?

320

What is spark mapvalues?

302

Why is spark fast?

307

Does diesel engine have spark plug?

369

Is spark faster than hadoop?

367

What is spark job?

361

What is the default partition in spark?

302

Un-Answered Questions { Big Data }

What do you mean by logging in cassandra?

What does conf.setmapper class do?

724

What are the file formats supported by spark?

315

Which classes are used by the hive to read and write hdfs files?

How do you stop a spark?

305

What are the main benefits of using cassandra?

How many Mappers run for a MapReduce job?

666

How many ways we can create rdd in spark?

309

What is an rdd?

324

For using hadoop list the network requirements?

524

Explain a scenario where you will be using spark streaming.

1467

What are the key differences between cassandra and traditional rdbms?

Differentiate between Pig Latin and Pig Engine?

891

Explain how jobtracker schedules a task?

521

Please explain the sparse vector in Spark.

304

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