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 big data lake?

420

What is sharding in big data?

443

What is the difference between structured and unstructured big data?

472

What is metastore?

594

Is kafka a amqp?

476

Is kafka a message queue?

518

What are the advantages of kafka?

527

What is the benefit of kafka?

472

What is the difference between kafka and mq?

471

Where is kafka used?

506

What does rdd stand for?

440

Is spark used for machine learning?

267

What is difference between rdd and dataframe?

328

What is javardd?

282

Why are spark transformations lazy?

272

Un-Answered Questions { Big Data }

How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?

389

Does google use spark?

264

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

388

What are snapshots and how do you create one in cassandra?

Which companies are mostly using Hive ?

742

Describe REVERSE function in Hive with example?

666

Does the hdfs client decide the input split or namenode?

619

What do you understand by the term snitch in cassandra?

What is MapFile?

929

What are the different Complex Data Types available in Hive?

869

What is Mapper? How can we compress Mapper output in Hadoop?

472

What is streaming?

629

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

620

What is executor and driver in spark?

276

Explain catalyst query optimizer in Apache Spark?

302

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