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?

297

Why is Spark RDD immutable?

370

What are the types of Apache Spark transformation?

288

What is Spark Core?

291

Why Apache Spark?

319

Explain transformation and action in RDD in Apache Spark?

297

How can we create RDD in Apache Spark?

301

What is SparkSession in Apache Spark?

290

What is the Difference SparkSession vs SparkContext in Apache Spark?

417

What are the abstractions of Apache Spark?

307

What is SparkContext in Apache Spark?

309

What are the components of Apache Spark Ecosystem?

403

Explain the RDD properties?

311

What does ‘jps’ command do?

694

Mention what is the use of Context Object?

721

Un-Answered Questions { Big Data }

What is the best way to copy files between HDFS clusters?

668

What is anti-entropy and how is it associated with merkel tree?

How can you control the mapping between SQL data types and Java types?

What is difference between Column and Super Column?

What is Sqoop?

Clarify what is shuffling in map reduce?

634

What is pig latin statements?

512

What are some of the apache pig use cases you can think of?

496

What is a dstream in apache spark?

2031

what are the steps involved in decommissioning removing

1015

Elaborate kafka architecture?

515

Explain about trformations and actions in the context of rdds?

307

What is apache flume used for?

When should you use sequencefileinputformat?

661

What is hive metastore?

710

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