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 are the languages supported by apache spark?

298

Name the components of spark ecosystem.

289

What operations does rdd support?

299

Is there a module to implement sql in spark?

297

How is machine learning implemented in spark?

349

What is executor memory in a spark application?

342

Explain caching in spark streaming.

329

Do you need to install spark on all nodes of yarn cluster?

2053

Define actions in spark.

2257

How do we create rdds in spark?

575

How is streaming implemented in spark?

1871

Explain a scenario where you will be using spark streaming.

1467

What are the languages supported by apache spark and which is the most popular one?

1726

Is there any benefit of learning mapreduce if spark is better than mapreduce?

1820

How can apache spark be used alongside hadoop?

1821

Un-Answered Questions { Big Data }

Why HDFS performs replication, although it results in data redundancy?

148

State some disadvantages of impala?

Explain the shuffle?

959

Tell any two features of flume?

116

Define fold() operation in Apache Spark?

319

Explain the rudimentary difference between Cassandra and HBase?

What are the Basics of Hadoop?

972

Clarify what is sqoop in hadoop?

476

Explain the master class and the output class do?

691

Is hadoop mandatory for spark?

297

What must we know to work on Zookeeper well?

What is spark tool?

279

Can we run spark on windows?

293

What do we mean by Partitions or slices?

297

What is shuffling in mapreduce?

658

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