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

Big Data Interview Questions

Questions Answers Views Company eMail

Do we need scala for spark?

305

What are the components of spark?

279

Is spark sql faster than hive?

287

What is serialization in spark?

309

What is client mode in spark?

322

Which are the methods to create rdd in spark?

295

What is executor cores in spark?

295

Why we use parallelize in spark?

289

What is cluster manager in spark?

304

How do I change hive execution engine to spark?

301

What is spark dynamic allocation?

308

What is driver memory and executor memory in spark?

326

Does spark run mapreduce?

299

Can rdd be shared between sparkcontexts?

286

What is apache spark good for?

282

Un-Answered Questions { Big Data }

Clarify what a task tracker is in hadoop?

427

What are the different CQL data manipulation commands in Cassandra?

115

What is a TaskInstance?

669

Can we say a COGROUP is a group of more than 1 data set?

555

State some Ambari components which we can use for automation as well as integration?

110

What is salting in spark?

415

What is the procedure for namenode recovery?

454

What are features of apache spark?

326

Can we deploy job tracker other than name node?

677

Why do we need spark?

278

What is the command to change the replication factor ?

501

What are the great features of spark sql?

286

Explain how is hadoop different from other data processing tools?

731

Who is the founder of spark?

312

What can you do with Kafka?

545

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