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?

307

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 }

Give the sqoop command to see the content of the job named myjob?

What is the difference between rdbms and hadoop?

645

What are the main classes of Data Transfer API?

What does rdd stand for?

454

How to add column in apache tajo?

What are the components of Apache Pig platform?

747

What is a generic udf in hive?

733

Define “speculative execution” in hadoop?

424

Mention what are the key components of hbase?

177

How to set up local repository manually?

What is the use of “resultset execute” method?

What is the main difference between Kafka and Flume?

690

Tell me some major benefits of Hadoop?

408

What is the benefit of kafka?

510

Explain the concept of bloom filter?

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