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 are transformations in spark?

307

What is driver and executor in spark?

313

Is spark secure?

283

What is executor memory and driver memory in spark?

286

What is the point of apache spark?

284

What is rdd map?

325

What is faster than apache spark?

283

What is spark training?

279

How many ways we can create rdd in spark?

294

How tasks are created in spark?

290

Is apache spark a tool?

270

What is difference between spark and mapreduce?

272

Who created spark?

287

How is spark fault tolerance?

399

What is cluster in apache spark?

318

Un-Answered Questions { Big Data }

How can a user get the information on the version of CQLSH?

What is namenode?

482

Explain the concept of cassandra data model?

114

What are features of apache spark?

326

What is a record reader?

407

How does master slave architecture in the hadoop?

815

What does rdd stand for in logistics?

315

What is the difference between map and flatmap?

305

Can hadoop replace relational database?

421

Explain HCatLoader and HCatStorer APIs?

What is the purpose of textinputformat?

704

what do you mean by compaction?

How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

770

What is the current version of Hive?

766

How to resolve small file problem in hdfs?

980

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