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?

405

What is apache spark in big data?

296

What is apache spark and what is it used for?

348

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 if job tracker machine is down?

525

What will happen in case you have not issued the command?

803

Should I install spark on all nodes of yarn cluster?

358

Which code do we use to open the connection in Hbase?

191

What are the different operational commands in HBase at record level and table level?

373

Can hadoop handle streaming data?

497

What are “Seed Nodes” in Cassandra?

302

What are combiners? When should I use a combiner in my MapReduce Job?

956

Why HDFS stores data using commodity hardware despite the higher chance of failures in hadoop?

Define fault tolerance?

702

What is the syntax to create keyspace in Cassandra?

128

what needs to be taken care while adding a Column?

107

List some benefits of apache kafka?

601

What is key-value store db?

What are the common mistakes developers make when running Spark applications?

309

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