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 the two ways to create rdd in spark?

324

Why lazy evaluation is good in spark?

289

What is mllib?

279

What is meant by rdd lazy evaluation?

405

What is the difference between spark and apache spark?

320

What rdd stands for?

320

How does spark rdd work?

317

What is spark databricks?

314

What does apache spark stand for?

281

What are the libraries of spark sql?

288

What is the use of spark sql?

275

What is sparksession and sparkcontext?

273

Should I install spark on all nodes of yarn cluster?

339

How do I get apache spark on windows 10?

296

Where are rdd stored?

289

Un-Answered Questions { Big Data }

What is the relation between MapReduce and Hive?

643

Why spark is faster than hadoop?

248

what is SPF?

1509

How to set the number of mappers for a MapReduce job?

687

Is hadoop mandatory for spark?

281

What is the use of foreach operation in Pig scripts?

594

Mention what is the benefits of apache kafka over the traditional technique?

613

How to start zookeeper server?

How does A/B testing work?

634

On which all platform can Apache Spark run?

269

How does big data help in increasing business revenue?

484

What are the various modes in which Spark runs on YARN? (Local vs Client vs Cluster Mode)

271

How can we have to see all the clusters that are available in ambari?

Web-ui shows that half of the datanodes are in decommissioning mode. What does that mean? Is it safe to remove those nodes from the network?

445

what daemons run on a master node and slave nodes?

701

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