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 the difference between hadoop and spark?

298

What is spark configuration?

354

How do I download and install spark?

321

What is meant by spark in big data?

303

What is shuffle spill in spark?

294

Is spark a special attack?

307

How does rdd work in spark?

311

Which serialization libraries are supported in spark?

350

What is project tungsten in spark?

314

How does broadcast join work in spark?

321

How does apache spark engine work?

332

What do you use spark for?

375

How does executor work in spark?

333

What is in memory processing in spark?

290

Do we need to install spark in all nodes?

285

Un-Answered Questions { Big Data }

What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?

580

What is Reducer in Hadoop?

601

Why do the nodes are removed and added frequently in a hadoop cluster?

511

List the advantage of Parquet files?

311

What happens if there is an error in impala?

262

What is Map() operation in Apache Spark?

383

What are some typical functions of Job Tracker?

486

What does the “USE” command in the hive do?

745

What are the components of Pig Execution Environment?

622

what is a Task Tracker in Hadoop?

751

Name the ports Cassandra uses?

Which code do we use to open the connection in Hbase?

191

What does the ambari shell can be provided?

What are the components of Hive architecture?

1158

What is the difference between store and dumps commands?

705

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