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 is accumulator in spark?

489

What is executor in spark?

306

Does spark work with python 3?

294

What is number of executors in spark?

296

Is hadoop required for spark?

304

How do you set up a spark?

278

What does apache spark do?

322

What is lambda in spark?

309

What is pyarrow?

411

Is dataframe immutable?

482

What is difference between dataset and dataframe?

387

What is hadoop technology?

311

What is a pipelinedrdd?

435

What is flatmap?

312

What is pipelined rdd?

255

Un-Answered Questions { Big Data }

Explain Apache Ambari?

Why Ambari?

200

Mention what needs to be taken care while adding a column?

Is spark faster than hadoop?

356

Where is kafka used?

542

How to save RDD?

313

Mention what is the maximum size of the message does kafka server can receive?

537

What is the role of the offset.

514

How to set mappers and reducers for Hadoop jobs?

613

What is the process for starting a Kafka server?

592

Name a few commonly used spark ecosystems?

286

What is a checkpoint?

966

What is a bloom filter and how does it help in searching rows?

175

How do ‘map’ and ‘reduce’ work?

650

Explain the common input formats in hadoop?

466

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