Spring Boot Spring Boot Caching and Messaging 3

Question 1

Which interface in Spring Cache abstraction allows you to define a custom cache key generation strategy?

Accepted Answer

KeyGenerator

Answer

CacheResolver

Answer

CacheKeyStrategy

Answer

CacheInterceptor

Question 2

What is the default `CacheManager` Spring Boot auto-configures when no cache provider dependency is on the classpath?

Accepted Answer

ConcurrentMapCacheManager

Answer

NoOpCacheManager

Answer

SimpleCacheManager

Answer

EhCacheCacheManager

Question 3

Which property configures the name of the Kafka consumer group for a Spring Boot application?

Accepted Answer

spring.kafka.consumer.group-id

Answer

spring.kafka.consumer.group

Answer

spring.kafka.group-name

Answer

spring.kafka.consumer-group

Question 4

What does setting `spring.rabbitmq.listener.simple.acknowledge-mode=manual` require of the message listener?

Accepted Answer

The listener must explicitly acknowledge or reject each message using Channel

Answer

The listener must call basicNack after every message

Answer

RabbitMQ will not deliver messages until the listener starts up

Answer

Spring will disable auto-retry for failed messages

Question 5

What Spring Boot caching annotation would you use to conditionally cache results based on a SpEL expression?

Accepted Answer

@Cacheable with the `condition` attribute

Answer

@CacheableIf

Answer

@ConditionalCache

Answer

@CacheWhen

Question 6

Which Spring AMQP class is used to declare and bind a RabbitMQ queue to an exchange programmatically?

Accepted Answer

RabbitAdmin

Answer

RabbitTemplate

Answer

AmqpAdmin

Answer

ConnectionFactory