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?

312

Describe Partition and Partitioner in Apache Spark?

305

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?

342

Explain SparkContext in Apache Spark?

331

What are the types of Transformation in Spark RDD Operations?

288

Explain first() operation in Apache Spark RDD?

369

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

354

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

300

Is it possible to run Apache Spark without Hadoop?

278

What is Apache Spark Streaming?

330

How can you implement machine learning in Spark?

279

Un-Answered Questions { Big Data }

How is indexing done in HDFS?

Compare RDBMS with Hadoop MapReduce.

638

Does 'ILLUSTRATE' run MR job?

861

What are the three layers where the hadoop components are actually supported by ambari?

Do I need scala for spark?

292

Define HDFS and talk about their respective components?

Explain data flow in Flume?

What is executor cores in spark?

295

What is Fault Tolerance in Hadoop HDFS?

how can you check whether Namenode is working beside using the jps command?

672

What are pig scripts?

593

Define various running modes of apache spark?

282

State some Ambari components which we can use for automation as well as integration?

110

Compare Hadoop and Spark?

323

What mode(s) can hadoop code be run in?

462

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