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?

486

What is sharding in big data?

504

What is the difference between structured and unstructured big data?

529

What is metastore?

640

Is kafka a amqp?

524

Is kafka a message queue?

568

What are the advantages of kafka?

568

What is the benefit of kafka?

512

What is the difference between kafka and mq?

522

Where is kafka used?

546

What does rdd stand for?

454

Is spark used for machine learning?

281

What is difference between rdd and dataframe?

350

What is javardd?

294

Why are spark transformations lazy?

292

Un-Answered Questions { Big Data }

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

How one can format Hadoop HDFS?

What is the disadvantage of spark sql?

369

Which command is available to show the current HBase user?

161

How does NameNode tackle DataNode failures?

1181

What do you mean by logistic regression?

596

What do slaves consist of?

673

Why is Cassandra popular? Clarify.

Does Apache Spark provide check pointing?

404

What is Hadoop Custom partitioner ?

1004

What is RDD lineage graph? How does it enable fault-tolerance in Spark?

308

What causes sparks?

295

How can we import data from particular row or column? What is the destination types allowed in Sqoop import command?

Which type of data HBase can store?

154

What is mapreduce algorithm?

593

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