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?

526

What is sharding in big data?

542

What is the difference between structured and unstructured big data?

573

What is metastore?

690

Is kafka a amqp?

569

Is kafka a message queue?

601

What are the advantages of kafka?

632

What is the benefit of kafka?

549

What is the difference between kafka and mq?

558

Where is kafka used?

585

What does rdd stand for?

473

Is spark used for machine learning?

301

What is difference between rdd and dataframe?

369

What is javardd?

305

Why are spark transformations lazy?

310

Un-Answered Questions { Big Data }

What is KeyValueTextInputFormat in Hadoop?

588

how you can get exactly once messaging from Kafka during data production?

605

What are configuration files in Hadoop?

567

Explain what does the conf.setMapper Class do in MapReduce?

713

Explain use cases where SequenceFile class can be a good fit?

993

What is Balancer in Hadoop?

538

What do you mean by meta data in hdfs? List the files associated with metadata.

How much memory is required?

How should 'store' keyword is useful in pig scripts?

682

Does spark load all data in memory?

360

How is HCatalog different from Hive?

722

How to invoke Command Line Interface?

Can multiple clients write into an HDFS file concurrently?

What is Grunt shell?

622

What is an "Accumulator"?

299

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