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?

282

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?

271

Who created spark?

287

How is spark fault tolerance?

394

What is cluster in apache spark?

318

Un-Answered Questions { Big Data }

Describe Partition and Partitioner in Apache Spark?

303

What is the difference between the external table and managed table?

716

What is SSTable? How is it different from other relational tables?

118

Mention what is the difference between Hbase and Hive?

692

Establish the difference between a node, cluster & data centres in Cassandra.

143

What is the key- value pair in Hadoop MapReduce?

677

What is replication factor?

431

What is Sqoop Validation?

What purpose would an engineer use spark?

405

What is Disk Balancer in Apache Hadoop?

885

Explain Spark Core?

300

What is spooldir flume?

Is scala required for spark?

305

Name the most common Input Formats defined in Hadoop? Which one is default?

464

Define big data?

562

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