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 advantages does Spark offer over Hadoop MapReduce?

317

Why is Spark RDD immutable?

383

What are the types of Apache Spark transformation?

306

What is Spark Core?

325

Why Apache Spark?

335

Explain transformation and action in RDD in Apache Spark?

307

How can we create RDD in Apache Spark?

316

What is SparkSession in Apache Spark?

307

What is the Difference SparkSession vs SparkContext in Apache Spark?

433

What are the abstractions of Apache Spark?

317

What is SparkContext in Apache Spark?

333

What are the components of Apache Spark Ecosystem?

415

Explain the RDD properties?

333

What does ‘jps’ command do?

732

Mention what is the use of Context Object?

759

Un-Answered Questions { Big Data }

Clarify what is sequence file input format?

584

What are the languages supported by apache spark?

300

Can we install spark on windows?

356

Is apache spark a programming language?

324

how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

831

Explain about the execution pl of a pig script?
or
differentiate between the logical and physical plan of an apache pig script?

548

Explain different queries performed by apache tajo?

Explain how HDFS communicates with Linux native file system?

How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

467

In HDFS, how Name node determines which data node to write on?

What roles do Replicas and the ISR play?

601

What is lineage graph in Apache Spark?

361

How data or file is read in HDFS?

What is Flume?

114

Use of export command in hadoop sqoop?

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