Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Is kafka open source?

540

Why do we need hdfs?

What are 4 v's of big data?

306

What is dataproc cluster?

315

What is mlib?

311

What is pregel api?

323

Why is rdd immutable?

331

What is difference between spark and scala?

272

What is difference between spark and kafka?

315

What is hadoop spark?

321

What do spark executors manage?

307

How does spark work with python?

315

What is spark executor cores?

305

What is spark in python?

307

Who invented spark?

423

Un-Answered Questions { Big Data }

What is the difference between the ZooKeeper ensemble and ZooKeeper quorum?

State benefits of Hadoop users by using Apache Ambari?

Explain the uses of Map Reduce in Pig?

587

Tell me two most commonly used commands in HDFS?

Clarify the NoSQL Database?

What is ZooKeeper Atomic Broadcast (ZAB) protocol?

What is the input type/format in MapReduce by default?

1142

Does Pig differ from MapReduce? If yes, how?

650

Where does spark plug get power?

294

What is difference between map and flatmap?

310

Explain HCatLoader and HCatStorer APIs?

What are some typical functions of Job Tracker?

489

Explain what is speculative execution?

466

Can you do real-time processing with Spark SQL?

339

What is the required action you need to perform if you opt for scheduled maintenance on the cluster nodes?

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