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 hive and hdfs?

625

What is skew data in hive?

698

Is kafka an etl tool?

456

What language is apache kafka written in?

532

What is zookeeper server?

What is the difference between map and reduce?

625

What is optimal size of a file for distributed cache?

634

What can skew the mean?

282

What is vectorized query execution?

313

What is map side join?

302

What does dag stand for?

295

What is data ingestion pipeline?

319

What is the difference between reducebykey and groupbykey?

295

What is data skew and how do you fix it?

332

Is databricks a database?

314

Un-Answered Questions { Big Data }

What is transformation in spark?

321

explain the key features of Apache Spark?

334

When should you use hbase?

180

Which are the methods in the mapper interface?

632

What is streaming access?

495

What is illustrate used for in apache pig?

594

Can you explain how do ‘map’ and ‘reduce’ work?

730

Does hadoop follows the unix pattern?

425

What is Spark Core?

291

What is an offset?

501

What is meant by streaming access?

545

Is hadoop the future?

647

How is a keyspace created in cassandra? & What are the parameters used?

What is flume interceptor?

What is the sequencefileinputformat in hadoop?

713

For More Un-Answered { Big Data } Questions Click Here