Which two options are application slices that can be tested with Spring Boot Testing? (Choose two.)

Question

Options

• ARepository
• BMessaging
• CWeb
• DContainer
• EClient

• A
  83% (49)
• B
  5% (3)
• D
  10% (6)
• E
  2% (1)

Explanation

Spring Boot's slice testing framework isolates specific application layers using dedicated annotations, and Repository (@DataJpaTest, @DataMongoTest, etc.) and Web (@WebMvcTest, @WebFluxTest) are the two most prominently featured slices in both the documentation and the Spring Professional certification curriculum. These slices load only the beans relevant to that layer - @WebMvcTest wires up controllers, filters, and MVC config without a full context, while @DataJpaTest wires up JPA repositories and an in-memory database.

Why the distractors are wrong:

• B (Messaging) - there is no built-in @MessagingTest slice in core Spring Boot; messaging integration testing requires a full or custom context.
• D (Container) - not a Spring Boot testing concept at all; containers relate to deployment, not test slicing.
• E (Client) - @RestClientTest does exist for testing RestTemplate/RestClient clients, but it is a secondary slice not typically listed among the two canonical slices the certification exam highlights.

Memory tip: Think of the two most common "sides" of a web application - the front door (Web layer, @WebMvcTest) and the back door (Repository layer, @DataJpaTest). Those two slices cover the ends of a typical request-response lifecycle and are the exam's go-to pair.

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