Apache Kafka Objective Questions and Answers

This Apache Kafka quiz contains carefully curated objective questions with correct answers and clear explanations. It is designed for developers, data engineers, and interview preparation, covering Kafka internals, distributed messaging concepts, fault tolerance, and real-time streaming best practices.

Practice Apache Kafka MCQs with Detailed Explanations

Answer at least 12 questions to submit.

31

Which configuration controls batching?

Medium
32

What does linger.ms do?

High
33

Which compression type is supported in Kafka?

Medium
34

What is the purpose of min.insync.replicas?

High
35

What happens if min.insync.replicas is not met?

High
36

What is transactional producer used for?

High
37

Which isolation level is used for transactions?

High
38

Which tool is used to monitor Kafka clusters?

Medium
39

What is a segment in Kafka log?

High
40

Which command-line tool is used to produce messages?

Medium
41

Which command-line tool is used to consume messages?

Medium
42

What is the default retention policy?

Medium
43

What is the max size of a Kafka message by default?

High
44

Which component handles schema evolution?

High
45

What is the purpose of Kafka ACLs?

Medium