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 the FlatMap Transformation in Apache Spark RDD?

293

can you run Apache Spark On Apache Mesos?

310

Describe Partition and Partitioner in Apache Spark?

303

Describe Accumulator in detail in Apache Spark?

314

List down the languages supported by Apache Spark?

293

Discuss the various running mode of Apache Spark?

291

Describe Spark SQL?

340

Explain SparkContext in Apache Spark?

329

What are the types of Transformation in Spark RDD Operations?

286

Explain first() operation in Apache Spark RDD?

367

What are the ways in which Apache Spark handles accumulated Metadata?

353

Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

298

Is it possible to run Apache Spark without Hadoop?

275

What is Apache Spark Streaming?

325

How can you implement machine learning in Spark?

279

Un-Answered Questions { Big Data }

What is commodity hardware?

658

What is the optimal block size in HDFS?

What are nodes and ephemeral nodes?

Explain ingestion in big data?

631

Explain Hadoop streaming?

476

What is the fundamental difference between a MapReduce InputSplit and HDFS block?

619

What is pipelined rdd?

255

Query language is executed in Cassandra database. Clarify?

140

How we can take Hadoop out of Safe Mode?

855

What is a namenode? How many instances of namenode run on a hadoop cluster?

643

What is the use of ycsb?

173

What will apache driver do?

Use of list-databases command in hadoop sqoop?

Define data integrity?

When should be hadoop archive create?

428

For More Un-Answered { Big Data } Questions Click Here