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

Big Data Interview Questions

Questions Answers Views Company eMail

List few differences between apache kafka and rabbitmq?

571

What does serdes mean in apache kafka?

601

Explain the role of offset in kafka?

516

List some benefits of apache kafka?

549

What is a kafka cluster?

542

What is the difference between leader and follower in kafka?

560

Please explain apache kafka?

535

What is kafka message?

502

In which language apache kafka is written?

534

Explain the format of an apache kafka message?

482

Explain what do you understand by cassandra- cql collections?

Explain the various types of partitioners in cassandra?

Differentiate between the terms: node, a cluster, and data center in cassandra?

What do you mean by column family?

What do you mean by ss table and explain how it is different from the other original tables?

Un-Answered Questions { Big Data }

What are the basic steps to writing a UDF Function in Pig?

701

How to debug Hadoop code?

540

What makes Apache Spark good at low-latency workloads like graph processing and machine learning?

328

Write a short note on the disadvantages of mapreduce

600

What is mandatory while creating a table in cassandra?

Define the level of parallelism and its need in spark streaming?

391

What is Fault Tolerance?

533

What are the ways in which Apache Spark handles accumulated Metadata?

353

Explain what are the tools used in Big Data?

124

What is the key- value pair in Hadoop MapReduce?

679

Explain what is “map” and what is "reducer" in hadoop?

644

Can you explain how you can use Apache Spark along with Hadoop?

309

What is the functionality of jobtracker in hadoop?

719

Mention how many operational commands in hbase?

288

Can you change the block size of hdfs files?

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