Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Can we change the document present in hdfs?

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

430

What does rack awareness algorithm means?

489

What does the high availability of a name-node means? How is it accomplished?

415

What does name-node mean in hadoop?

475

What is check pointing in hadoop?

441

What does secondary name-node means?

427

What type of data hadoop can handle ?

425

What does the high availability of a name-node means?

427

What does block mean?

438

What do you think about the speculative execution?

436

What did mean by data-node?

427

How to use combiner in hadoop ?

445

List few benefits of spark over map reduce?

293

Can you define rdd?

307

Un-Answered Questions { Big Data }

What are some of the apache pig use cases you can think of?

496

What do hive variable means? How can we utilize it?

597

What are the default read and write classes in Hive?

658

Connection between hadoop and big data?

556

How Cassandra stores data?

What is Hive query processor?

919

What is a Cluster, Node and Key space in Cassandra ?

199

What are the different components of a Hive architecture?

837

Explain the concept of Leader and Follower?

600

How to create the directory when name node is in safe mode?

547

What are the different ways you can use to secure a cluster using Ambari?

Is spark an etl?

294

What is an "RDD Lineage"?

298

Why do we use spark?

329

Name the scalar data type and complex data types in Pig?

675

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