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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain Spark Executor

1 298

Explain the level of parallelism in Spark Streaming? Also, describe its need.

1 349

What are the various storages from which Spark can read data?

1 360

What is a Sparse Vector?

1 358

What is the difference between Caching and Persistence in Apache Spark?

1 348

What are the roles of the file system in any framework?

1 330

Name some companies that are already using Spark Streaming?

1 288

What is Spark Streaming?

1 315

What does it mean by Columnar Storage Format?

1 317

What is Spark Dataset?

1 342

Why is there a need for broadcast variables when working with Apache Spark?

1 325

What is the abstraction of Spark Streaming?

1 278

What are shared variables?

1 353

Does Spark provide the storage layer too?

1 299

What are the advantages of datasets in spark?

1 298

Un-Answered Questions { Big Data }

What are the different types of tables available in Hive?

745

Which modes can Hadoop be run in? List a few features for each mode?

517

What is the stable version of Hive ?

2673

How do I set up flume agent?

How to skip header rows from a table in Hive?

872

How you can contact your client everyday ?

1013

When we are using queries instead of scripting?

778

What is the function of UNION and SPLIT operators? Give examples?

579

How job tracker schedules an assignment?

473

What is the latest version of spark?

288

What is the latest version of sqoop?

How can I delete the above index named index_bonuspay?

777

When to use explode in Hive?

803

State some DDL Command with brief Description?

Give me the examples of Columnar database ?

641

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