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 spark deploy mode?

325

What is a dataframe spark?

261

How do you integrate spark and hive?

341

Can spark be used without hadoop?

283

What is lambda architecture spark?

333

What is difference between client and cluster mode in spark?

404

What is apache spark in big data?

296

What is apache spark and what is it used for?

346

What is the difference between cache and persist in spark?

354

What is executor memory in spark?

336

What is master node in spark?

320

What is difference between dataset and dataframe in spark?

329

What is lineage graph in spark?

301

Why do we use persist () on links rdd?

315

What is dataframe in spark?

302

Un-Answered Questions { Big Data }

What is hbase in hadoop?

694

What is a secondary namenode?

677

Explain what is composite type in cassandra?

What is used to store data generally?

Define lzo?

203

How data transfer happens from HDFS to Hive?

881

What is data cleansing?

498

explain the key features of Apache Spark?

359

How to resolve small file problem in hdfs?

1029

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

580

What is the importance of eval tool?

What is the utility of using Writable Comparable Custom Class in Map Reduce code?

1053

Define Thrift?

277

What is document store db?

What kind of hardware is best for hadoop?

470

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