Spring Boot Spring Boot Caching and Messaging 2

Question 1

Which Spring Boot starter is required to use RabbitMQ with Spring AMQP?

Accepted Answer

spring-boot-starter-amqp

Answer

`spring-boot-starter-amqp` includes `spring-rabbit` and auto-configures `RabbitTemplate` and `SimpleRabbitListenerContainerFactory` for messaging.

Question 2

Which annotation marks a method as a listener for messages from a RabbitMQ queue?

Accepted Answer

@RabbitListener

Answer

`@RabbitListener(queues = "my-queue")` registers the annotated method as a message consumer that Spring AMQP invokes for each incoming message.

Question 3

What is the role of `RabbitTemplate` in a Spring Boot application?

Accepted Answer

It provides methods to send and receive messages to/from RabbitMQ

Answer

`RabbitTemplate` is the central Spring AMQP class for synchronous sending, receiving, and request-reply messaging operations against RabbitMQ.

Question 4

Which Spring Boot starter adds Apache Kafka support with auto-configured `KafkaTemplate`?

Accepted Answer

spring-boot-starter-kafka

Answer

`spring-boot-starter-kafka` brings in `spring-kafka` and auto-configures `KafkaTemplate`, `KafkaAdmin`, and consumer/producer factories.

Question 5

What annotation is used to designate a method as a Kafka message consumer in Spring Boot?

Accepted Answer

@KafkaListener

Answer

`@KafkaListener(topics = "my-topic")` registers the annotated method to receive messages from the specified Kafka topic via a message listener container.

Spring Boot Practice Test

Spring Boot Practice Test

Spring Boot Spring Boot Caching and Messaging 2