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 is dag created in spark?

289

What does spark do during speculative execution?

331

What is heap memory in spark?

265

What is external shuffle service in spark?

299

What is spark client?

277

Which are the various data sources available in spark sql?

297

Can you run spark without hadoop?

322

What is tungsten engine in spark?

318

What is stage and task in spark?

226

What is spark execution engine?

370

Is spark sql a database?

263

Is spark distributed computing?

298

What is row rdd in spark?

287

How is rdd fault?

284

How does reducebykey work in spark?

255

Un-Answered Questions { Big Data }

what is gossip protocol?

Explain the Methods Of ZooKeeper class?

Explain about ACID transactions in Hive?

732

What happens when two clients try to access the same file in the hdfs?

455

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1032

What are the differences between PIG and SQL?

643

What is shuffle read and shuffle write in spark?

314

How to create a user in Hadoop?

489

Can you explain hadoop streaming?

420

Doesn’t google have its very own version of dfs?

481

Which command do we use to show the version?

160

What is the role zookeeper plays in a cluster of kafka?

496

List the popular use cases of Apache Spark?

289

can you run Apache Spark On Apache Mesos?

310

What is the difference between CREATE TABLE AND CREATE EXTERNAL TABLE?

700

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