Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

What do you mean by Schema Declaration?

What is Apache Kafka?

588

Why is Kafka technology significant to use?

549

Explain the role of the offset?

566

What is the process for starting a Kafka server?

636

What can you do with Kafka?

583

What roles do Replicas and the ISR play?

590

What is the role of the ZooKeeper in Kafka?

562

What are the types of traditional method of message transfer?

622

Explain the role of the Kafka Producer API?

567

In the Producer, when does QueueFullException occur?

587

Why are Replications critical in Kafka?

609

What does ISR stand in Kafka environment?

699

What are consumers or users?

648

What is the main difference between Kafka and Flume?

736

Un-Answered Questions { Hadoop }

Specify the different methods of hive?

760

What is graphx spark?

303

What is the replication factor?

What is a nosql database?

What is the use of dataframe in spark?

304

What is a "Spark Driver"?

353

What type of data hadoop can handle ?

468

List the advantage of Parquet files?

311

What are the common transformations in apache spark?

303

Explain cap theorem?

105

How indexing is done in HDFS?

1137

What are the different functions available in pig latin language?

603

What is deploy mode in spark?

325

Is spark distributed computing?

314

Specify the different types of tables accessible in hive?

838

For More Un-Answered { Hadoop } Questions Click Here