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?

295

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 different queries performed by apache tajo?

What is meant by rdd in spark?

259

Explain mappartitions() and mappartitionswithindex()?

422

Explain how Hive Deserialize and serialize the data?

737

Can you define udf?

424

What are the different types of data model?

What is formatting of the dfs?

828

Explain Zero Consistency?

108

Explain the key features of Spark.

284

What do you understand by Thrift?

How does HDFS ensure Data Integrity of data blocks stored in HDFS?

What do you know about yarn?

413

What are the different composite keys in Cassandra?

Can you explain recommendation engine?

What is NoSQL database?

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