Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain Spark Core?

325

Explain the flatMap operation on Apache Spark RDD?

334

Can we run Apache Spark without Hadoop?

336

What is DStream in Apache Spark Streaming?

331

Define Partition and Partitioner in Apache Spark?

320

Explain briefly what is Action in Apache Spark? How is final result generated using an action?

326

Describe the distnct(),union(),intersection() and substract() transformation in Apache Spark RDD?

317

Define Spark-SQL?

297

Explain the repartition() operation in Spark?

305

Compare Transformation and Action in Apache Spark?

299

How does pipe operation writes the result to standard output in Apache Spark?

375

Explain how you can get exactly once messaging from kafka during data production?

566

What is combiner aggregator?

651

When do you call the cleanup method?

561

What are the key benefits of using storm for real time processing?

584

Un-Answered Questions { Big Data }

What are the exception handling operators in Pig script?

621

Explain the maximum size of a message that can be received by the Kafka?

766

What are Flume events?

What is zeromq?

566

What are the various configuration parameters required to run a mapreduce job?

724

Explain how HDFS communicates with Linux native file system?

Explain what is hadoop?

476

What is difference between spark and kafka?

315

What are the different types of Ambari repositories?

Explain the tajo architecture?

What do you understand by Transformations in Spark?

333

Define HDFS and talk about their respective components?

What do you know about schemardd?

330

Can a table be renamed in Hive?

779

What is driver memory and executor memory in spark?

348

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