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

304

What are the benefits of Spark lazy evaluation?

320

State the difference between Spark SQL and Hql

355

Can I run Apache Spark without Hadoop?

291

Please explain the sparse vector in Spark.

282

Explain Spark Driver?

334

Is there any API available for implementing graphs in Spark?

308

Please enumerate the various components of the Spark Ecosystem.

395

What is the role of Spark Driver in spark applications?

319

Name three companies which is used Spark Streaming services

326

Explain the default level of parallelism in Apache Spark

312

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

308

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

302

What is Spark SQL?

306

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

539

Un-Answered Questions { Big Data }

What is a topic in kafka?

480

What is the difference between rdd and dataframe?

339

What other technologies have you used in hadoop sta ck?

984

Where is the output of Mapper written in Hadoop?

772

What are the major differences between Hadoop 2 and Hadoop 3?

480

What is spark machine learning?

254

Why should I use spark?

303

Give me examples of unstructured data?

479

Name the various types of lists supported by bootstrap.

678

What are the three different modes in which hive can be run?

677

Where are hadoop’s configuration files located and list them?

447

Explain the process of spilling in Hadoop MapReduce?

632

What is partitioning in MapReduce?

717

Why is Kafka technology significant to use?

511

Which command do we use to insert data in HCatalog?

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