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?

634

What is skew data in hive?

702

Is kafka an etl tool?

462

What language is apache kafka written in?

535

What is zookeeper server?

What is the difference between map and reduce?

634

What is optimal size of a file for distributed cache?

636

What can skew the mean?

282

What is vectorized query execution?

317

What is map side join?

306

What does dag stand for?

295

What is data ingestion pipeline?

321

What is the difference between reducebykey and groupbykey?

295

What is data skew and how do you fix it?

332

Is databricks a database?

316

Un-Answered Questions { Big Data }

What is a flume agent?

What are the data formats supported by apache tajo?

What do we mean by Paraquet?

448

What are all stats classes in the java api package available?

567

What are the various configuration parameters required to run a mapreduce job?

660

How NameNode tackle Datanode failures in Hadoop?

468

What is apache spark for beginners?

292

Is it necessary to install spark on all the nodes of a YARN cluster while running Apache Spark on YARN ?

344

Can you join multiple fields in Apache

533

What is difference between coalesce and repartition?

363

What problems can be addressed by using Zookeeper?

946

Are results returned as they become available, or all at once when a query completes?

Name different types of the data model?

Explain the difference between NameNode

947

Mention what is the difference between Hbase and Hive?

699

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