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

Big Data Interview Questions

Questions Answers Views Company eMail

Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

164

What is RDD in Apache Spark? How are they computed in Spark? what are the various ways in which it can create?

297

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

332

What is SparkSession in Apache Spark? Why is it needed?

364

What is the task of Spark Engine

311

What is the user of sparkContext?

291

How is the processing of streaming data achieved in Apache Spark? Explain.

268

Can you do real-time processing with Spark SQL?

300

Discuss the role of Spark driver in Spark application?

264

What are the features of RDD, that makes RDD an important abstraction of Spark?

255

What is Apache Spark? What is the reason behind the evolution of this framework?

260

What are accumulators in Apache Spark?

300

What is the reason behind Transformation being a lazy operation in Apache Spark RDD? How is it useful?

464

Explain about the different types of trformations on dstreams?

279

Describe the run-time architecture of Spark?

267

Un-Answered Questions { Big Data }

What is hadoop pig?

483

What is crontab? Explain with suitable example?

991

Enlist all Apache Kafka Operations?

505

What is Federation?

385

How can we control particular key should go in a specific reducer?

861

What are the components of Apache Spark Ecosystem?

385

What are the four modules that make up the Apache Hadoop framework?

521

Explain the benefits of big data?

475

Explain Apache Ambari?

Explain Apache Ambari architecture?

What are Guarantees provided by Kafka?

498

What is the throughput?

How do you deal with sparse data?

Where does Big Data come from?

597

How to stop a partition form being queried?

1092

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