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?

597

What is skew data in hive?

658

Is kafka an etl tool?

434

What language is apache kafka written in?

505

What is zookeeper server?

What is the difference between map and reduce?

587

What is optimal size of a file for distributed cache?

600

What can skew the mean?

268

What is vectorized query execution?

299

What is map side join?

291

What does dag stand for?

285

What is data ingestion pipeline?

309

What is the difference between reducebykey and groupbykey?

281

What is data skew and how do you fix it?

321

Is databricks a database?

303

Un-Answered Questions { Big Data }

What is flatmap?

301

Can we rename the output file?

647

What are the network requirements for using hadoop?

649

Is it possible to search for files using wildcards?

611

Clarify how ordering in hdfs is finished?

442

How much is flume worth?

What are the key elements in ZooKeeper Architecture?

What is the maximum recommended cell size?

167

What are the views in Hive?

630

Explain the process of spilling in Hadoop MapReduce?

595

What is sqoop in Hadoop ?

652

Is hive a nosql database?

598

What is nlineoutputformat?

644

When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

320

What is a rack?

391

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