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

Big Data Interview Questions

Questions Answers Views Company eMail

Define the term ‘Lazy Evolution’ with reference to Apache Spark

316

What are the benefits of Spark lazy evaluation?

338

State the difference between Spark SQL and Hql

367

Can I run Apache Spark without Hadoop?

302

Please explain the sparse vector in Spark.

304

Explain Spark Driver?

353

Is there any API available for implementing graphs in Spark?

322

Please enumerate the various components of the Spark Ecosystem.

423

What is the role of Spark Driver in spark applications?

336

Name three companies which is used Spark Streaming services

340

Explain the default level of parallelism in Apache Spark

328

Explain the process to trigger automatic clean-up in Spark to manage accumulated metadata.

325

Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?

316

What is Spark SQL?

327

Can you explain how to minimize data transfers while working with Spark?

551

Un-Answered Questions { Big Data }

What is isr?

605

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

357

Where sorting is done on mapper node or reducer node in MapReduce?

739

What is zookeeper server?

How do I start a spark server?

311

Elaborate on CQL?

When should you use sequencefileinputformat?

721

Define data cleansing?

451

Whats is distributed cache in hadoop?

721

What is Apache Spark?

390

How can native libraries be included in yarn jobs?

527

What is hdfs in big data?

What is the use of rdd in spark?

286

Did edmond berger invent the spark plug?

397

Define the Use of MapReduce?

729

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