Apache Kafka Objective Questions and Answers - Set 3

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. This is part 3 of the series.

Practice Apache Kafka MCQs with Detailed Explanations

Answer at least 12 questions to submit and verify answers.

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