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 difference between hive and spark?

266

What is spark vcores?

282

Who uses apache spark?

353

What is sparkcontext in spark?

268

How many types of rdd are there in spark?

316

What is standalone mode in spark?

343

What is the difference between spark and hive?

316

How is hadoop different from spark?

270

What is data skew in spark?

299

What is a spark standalone cluster?

248

What are the actions in spark?

273

Can I install spark on windows?

280

What happens when an action is executed in spark?

341

Can we broadcast an rdd?

300

Who creates dag in spark?

340

Un-Answered Questions { Big Data }

How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?

422

What do you mean by Speculative execution in Apache Spark?

300

What is the usage of "void close()" method?

What is ZooKeeper Client?

How do I set up flume agent?

Explain SHOW and DESCRIBE Commands in Hive?

747

When to choose "Internal Table" in Hive?

720

Explain Zookeeper Leader election?

What are spark stages?

302

Define the term ‘sparse vector.’

283

Mention what is the meaning of broker in kafka?

507

Why Mapper runs in heavy weight process and not in a thread in MapReduce?

638

What is pyarrow?

412

Explain what is “map” and what is "reducer" in hadoop?

644

How can you see the list of stored jobs in sqoop metastore?

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