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 shuffle in spark?

386

Do I need to install hadoop for spark?

254

What are the transformations in spark?

265

Why do we need rdd in spark?

265

What's rdd?

264

What is the use of rdd in spark?

260

Does spark use mapreduce?

270

Why is the spark so fast?

289

What is spark used for?

245

What are broadcast variables in spark?

304

What is spark accreditation?

262

How do I use spark with big data?

277

What database does spark use?

261

Why should I use spark?

285

What is the use of spark in big data?

314

Un-Answered Questions { Big Data }

How to fetch particular columns in pig?

548

What is CONCATENATE command in Hive?

880

What is the function of mapreduce partitioner?

589

Can you define fsck?

478

Why we use parallelize in spark?

268

What are the different tools used for the ambari monitoring purpose?

How can you use streams api?

501

What is the default replication factor in Hadoop and how will you change it?

540

What is a disadvantage of using –direct parameter for faster data load by sqoop?

What is illustrate used for in apache pig?

549

Explain the memtable in cassandra?

What is Hive Database?

665

Detail description of the Reducer phases?

810

In which directory hadoop is installed?

360

Explain how jobtracker schedules a task?

428

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