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?

567

What does serdes mean in apache kafka?

596

Explain the role of offset in kafka?

516

List some benefits of apache kafka?

541

What is a kafka cluster?

542

What is the difference between leader and follower in kafka?

558

Please explain apache kafka?

530

What is kafka message?

498

In which language apache kafka is written?

532

Explain the format of an apache kafka message?

480

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 is apache spark in big data?

271

Does impala use caching?

Explain Spark coalesce() operation?

291

Mention what job does the conf class do?

420

What are the port numbers of job tracker?

525

How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

824

Why is block size large in Hadoop?

Compare Pig vs Hive vs Hadoop MapReduce?

674

What is the latest version of spark?

267

Explain the features of fully distributed mode?

625

How does apache spark engine work?

315

What is Internal and External table in Hive?

714

Does spark need hadoop?

283

What is the difference between spark ml and spark mllib?

283

Where do you specify the Mapper Implementation?

1014

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