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 are the languages supported by apache spark?

267

Name the components of spark ecosystem.

260

What operations does rdd support?

264

Is there a module to implement sql in spark?

262

How is machine learning implemented in spark?

311

What is executor memory in a spark application?

294

Explain caching in spark streaming.

286

Do you need to install spark on all nodes of yarn cluster?

2017

Define actions in spark.

2222

How do we create rdds in spark?

543

How is streaming implemented in spark?

1836

Explain a scenario where you will be using spark streaming.

1448

What are the languages supported by apache spark and which is the most popular one?

1686

Is there any benefit of learning mapreduce if spark is better than mapreduce?

1793

How can apache spark be used alongside hadoop?

1794

Un-Answered Questions { Big Data }

What are the main components of Cassandra data models?

109

What are the disadvantages of hadoop serialization?

What is the model of a ZooKeeper cluster?

Explain different execution modes available in Pig?

742

Main Components of Hadoop?

724

Describe the different consistency levels for read operation in cassandra?

What are the main configuration parameters in a MapReduce program?

601

What is Kundera in Cassandra?

How businesses could be benefitted with Big Data?

499

Explain sum(), max(), min() operation in Apache Spark?

275

What is a local repository and when will you use it?

166

List the various types of "Cluster Managers" in Spark.

323

Explain the concept of Leader and Follower?

555

What is the difference between an input split and hdfs block?

Difference between hbase and rdbms?

169

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