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 in brief what is the architecture of Spark?

326

What is Spark DataFrames?

300

In how many ways can we use Spark over Hadoop?

350

Explain Machine Learning library in Spark?

303

Explain about transformations and actions in the context of RDDs.

363

Explain the difference between Spark SQL and Hive.

402

Explain Catalyst framework?

373

What are the downsides of Spark?

377

What is the need for Spark DAG?

321

What is broadcast variable?

385

Why does the picture of Spark come into existence?

324

How can we launch Spark application on YARN?

446

Explain catalyst query optimizer in Apache Spark?

329

What are the various modes in which Spark runs on YARN? (Local vs Client vs Cluster Mode)

289

Apache Spark is a good fit for which type of machine learning techniques?

300

Un-Answered Questions { Big Data }

When should be hadoop archive create?

475

Does Apache Spark provide checkpoints?

306

Explain the Differences between Hive and Spark SQL?

761

Explain the key features of hdfs?

How does executor work in spark?

333

How will you list all the columns of a table using Apache Sqoop?

What is Rack awareness?

1059

What are the various InputFormats in Hadoop?

706

What is a Seed Node in Cassandra ?

What is bag data type in Pig?

723

Define Thrift?

277

What is org.apache.jute package?

Does spark use hive?

288

What are the core apis in kafka?

655

What is the process of creating an Ambari client?

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