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 Catalyst framework?

278

What do you understand by Pair RDD?

379

How can you launch Spark jobs inside Hadoop MapReduce?

308

How can you compare Hadoop and Spark in terms of ease of use?

270

Which one will you choose for a project –Hadoop MapReduce or Apache Spark?

293

What do you understand by Lazy Evaluation?

359

How can you remove the elements with a key present in any other RDD?

285

How Spark uses Hadoop?

290

What is a DStream?

323

What are the various data sources available in SparkSQL?

325

Explain about the core components of a distributed Spark application?

283

What are the benefits of using Spark with Apache Mesos?

276

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

274

When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

322

What is the significance of Sliding Window operation?

296

Un-Answered Questions { Big Data }

Clarify how hive de-serialize and serialize the information?

615

What are the three steps involved in big data?

488

What are the site-specific configuration files in Hadoop?

1028

Define MapReduce?

658

Explain the difference between COUNT_STAR and COUNT functions in Apache Pig?

736

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

340

How can we see all the hosts that are available in Ambari?

What happens when the node running the map task fails before the map output has been sent to the reducer?

621

Specify some uses of HBase?

185

Name the filter which accepts the page size as the parameter in hbase?

182

Explain what is kafka?

491

How do I download and install spark?

281

What is the difference between client mode and cluster mode in spark?

300

Explain the concept of Tunable Consistency in Cassandra?

200

What is Fault Tolerance?

500

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