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 are transformations in spark?

294

What is driver and executor in spark?

295

Is spark secure?

263

What is executor memory and driver memory in spark?

262

What is the point of apache spark?

258

What is rdd map?

305

What is faster than apache spark?

266

What is spark training?

260

How many ways we can create rdd in spark?

280

How tasks are created in spark?

264

Is apache spark a tool?

252

What is difference between spark and mapreduce?

255

Who created spark?

260

How is spark fault tolerance?

368

What is cluster in apache spark?

297

Un-Answered Questions { Big Data }

What is a block in HDFS, why block size 64MB?

What is flatmap in angular?

306

What are the different parts of Hive ?

700

How is the splitting of file invoked in Hadoop ?

479

What is sparkContext?

271

Mention what is apache kafka?

489

What do you understand by worker node?

264

Which are the three modes in which hadoop can be run?

414

What are “Seed Nodes” in Cassandra?

294

What is Hive query processor?

866

What do you mean by Schema Declaration?

Differentiate between GROUP and COGROUP operators?

581

What port does spark use?

301

What is keyspace in Cassandra?

Data node block size in HDFS, why 64MB?

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