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 it possible to run Apache Spark on Apache Mesos?

289

What are the different levels of persistence in Spark?

335

What is the default level of parallelism in apache spark?

395

What is Directed Acyclic Graph in Apache Spark?

396

What according to you is a common mistake apache spark developers make when using spark ?

273

Name some internal daemons used in spark?

359

Name the two types of shared variable available in Apache Spark?

301

Explain distnct(),union(),intersection() and substract() transformation in Spark?

326

Explain Accumulator in Spark?

433

What is Speculative Execution in Apache Spark?

287

Name three data source available in SparkSQL

307

Is it possible to use Apache Spark for accessing and analyzing data stored in Cassandra databases?

304

Can you explain how you can use Apache Spark along with Hadoop?

309

Explain Dsstream with reference to Apache Spark

391

What is the role of Driver program in Spark Application?

274

Un-Answered Questions { Big Data }

What is standalone mode in spark?

343

What is session in Cassandra?

157

What are the relation operations in Pig? Explain any two with examples?

712

What is spark architecture?

272

What are consumers or users?

615

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

762

How much does flume cost?

What are accumulators in spark?

311

What is key-value store db? Explain with an example.

Are multiline comments supported in Hive?

3284

What are the limitations of Hadoop?

568

In hadoop_pid_dir, what does pid stands for?

524

Can flume provide 100% reliability to the data flow?

What kind of music is flume?

How do you stop a spark?

281

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