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

Big Data Interview Questions

Questions Answers Views Company eMail

How many ways we can create rdd?

266

What does repartition do in spark?

324

What is the driver program in spark?

292

What is spark submit?

273

How do I clear my spark cache?

261

What is a partition in spark?

353

What is spark vectorization?

305

What is off heap memory in spark?

297

What is a tuple in spark?

274

Is spark an etl?

280

How is rdd distributed?

311

What are the common transformations in apache spark?

271

What is the difference between dataset and dataframe in spark?

354

What is distributed cache in spark?

338

What is catalyst framework in spark?

302

Un-Answered Questions { Big Data }

Explain how can apache spark be used alongside hadoop?

250

What is Reducer in MapReduce?

705

Is hadoop required for data science?

644

What does apache mahout do?

Why do we need MapReduce during Pig programming?

614

How to skip header rows from a table in Hive?

770

Can we run spark on windows?

275

CONCAT function in Hive with Example?

781

Does hdfs enable a customer to peruse a record, which is already opened for writing?

What are 3 core dimension of big data?

511

How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?

572

is there a standard procedure to deploy hadoop?

397

What is Hive query processor?

870

Explain what is the row key?

146

How Big Data can help increase the revenue of the businesses?

540

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