Lecture 36 Quiz: AOP, Autowiring, Annotations & Bean Configuration Styles

Note

Review before quiz: Lectures | Week 11 Content | Lab 8

Lecture 36 Self-Check

Question 1: In Spring AOP, what is an Aspect?

Select an item

A. A module that holds the cross-cutting logic and advice

B. The rule that selects which methods to target

C. The specific point during execution where advice can be applied

D. The process of applying aspect code to target classes

Question 2: Which AOP advice type is the most powerful and can change or suppress the method's return value?

Select an item

A. @Before — runs before the matched method only when no exception occurs

B. @After — runs only if the method returns normally without an exception

C. @Around — wraps the method and can intercept the return value or suppress exceptions

D. @AfterReturning — runs even when the method throws an exception

Question 3: What is the correct relationship between @Primary and @Qualifier?

Select an item

A. @Primary selects a bean by its exact name; @Qualifier marks the default bean

B. @Primary marks the default bean when multiple candidates exist; @Qualifier("name") selects a specific bean by name and overrides @Primary

C. Both @Primary and @Qualifier are required together on every bean

D. @Qualifier is used on the bean class; @Primary is used on the injection point

Question 4: Which stereotype annotation additionally enables Spring's persistence exception translation, converting low-level SQL exceptions to Spring's DataAccessException hierarchy?

Select an item

A. @Service

B. @Controller

C. @Repository

D. @Component

Question 5: When should you prefer Java Config style over annotation-based config?

Select an item

A. XML config — best type safety and IDE support

B. Java Config (@Configuration + @Bean) — best for infrastructure beans like DataSource where you need full creation control

C. Annotation config — best for third-party library beans you cannot annotate

D. All three styles are completely identical in capability