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

Big Data Interview Questions

Questions Answers Views Company eMail

Why is Kafka technology significant to use?

511

Explain the role of the offset?

537

What is the process for starting a Kafka server?

592

What can you do with Kafka?

542

What roles do Replicas and the ISR play?

546

What is the role of the ZooKeeper in Kafka?

527

What are the types of traditional method of message transfer?

593

Explain the role of the Kafka Producer API?

520

In the Producer, when does QueueFullException occur?

552

Why are Replications critical in Kafka?

571

What does ISR stand in Kafka environment?

658

What are consumers or users?

615

What is the main difference between Kafka and Flume?

690

Is it possible to use Kafka without ZooKeeper?

651

What is the purpose of retention period in Kafka cluster?

662

Un-Answered Questions { Big Data }

What is the difference between cassandra's schema and rdbms schema?

Use of list-databases command in hadoop sqoop?

What is the best hardware configuration to run Hadoop?

1627

What we need to be taken care while adding a column?

100

What are the destination types allowed in sqoop import command?

Give examples of some companies that are using Hadoop structure?

440

What is node?

What is a worker node in Apache Spark?

301

Can you list down the limitations of using Apache Spark?

313

What are the three characteristics of big data according to ibm?

489

Should the region server be located on all DataNodes?

442

How does pipe operation writes the result to standard output in Apache Spark?

365

State about ZooKeeper WebUI?

Explain apache kafka?

518

What is the use of recordreader in hadoop?

419

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