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?

307

What are the different levels of persistence in Spark?

350

What is the default level of parallelism in apache spark?

413

What is Directed Acyclic Graph in Apache Spark?

428

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

289

Name some internal daemons used in spark?

381

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

312

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

337

Explain Accumulator in Spark?

467

What is Speculative Execution in Apache Spark?

306

Name three data source available in SparkSQL

319

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

317

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

323

Explain Dsstream with reference to Apache Spark

410

What is the role of Driver program in Spark Application?

290

Un-Answered Questions { Big Data }

What is the procedure to create users in HDFS and how to allocate Quota to them?

What is the main difference between Kafka and Flume?

747

What are the types of ambari repositories are available?

What are the core api’s of kafka?

548

Whether the output of mapper or output of partitioner written on local disk?

726

What is difference between split and block in hadoop?

1442

List the files associated with metadata in hdfs?

What happens when the data set exceeds available memory?

What is Spark Driver?

322

What is spark machine learning?

281

What do you mean by Stream Processing in Kafka?

555

Is it possible to provide multiple inputs to hadoop? If yes, explain.

722

What is the need for custom serde?

769

What is the use of MasterServer?

180

Is spark part of hadoop?

304

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