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?

266

Name the components of spark ecosystem.

258

What operations does rdd support?

262

Is there a module to implement sql in spark?

261

How is machine learning implemented in spark?

310

What is executor memory in a spark application?

292

Explain caching in spark streaming.

281

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

2016

Define actions in spark.

2219

How do we create rdds in spark?

542

How is streaming implemented in spark?

1833

Explain a scenario where you will be using spark streaming.

1446

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

1685

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

1790

How can apache spark be used alongside hadoop?

1793

Un-Answered Questions { Big Data }

What are the default configuration files that are used in hadoop?

644

What are the key points of data model of Cassandra?

Explain the core benefits for hadoop users by using the apache ambari?

Explain the role of the offset?

504

Explain the repartition() operation in Spark?

268

What is RDD lineage graph? How does it enable fault-tolerance in Spark?

294

What are the various InputFormats in Hadoop?

614

Name the most common input formats defined in hadoop?

410

How can you use producer api code?

480

Explain when to use explode in Hive?

648

List the various types of "Cluster Managers" in Spark.

322

When to choose "External Table" in Hive?

745

explain the key features of Apache Spark?

322

How to read file in HDFS?

Compare hive, hbase, and impala?

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