Spring Framework Technology & Digital Applications 5

Question 1

What does the @EnableWebSecurity annotation do in a Spring Security application?

Accepted Answer

Activates Spring Security's web security support and the Spring Security filter chain

Answer

@EnableWebSecurity imports Spring Security's WebSecurityConfiguration and enables the default filter chain for securing HTTP requests.

Question 2

In Spring Data JPA, what does a derived query method like findByEmailAndActive(String email, boolean active) do?

Accepted Answer

Generates a JPQL query from the method name at runtime

Answer

Spring Data parses the method name and automatically generates the corresponding JPQL query, eliminating boilerplate query code.

Question 3

Which Spring Boot testing slice annotation loads only the web layer components for MVC controller tests?

Accepted Answer

@WebMvcTest

Answer

@WebMvcTest loads only the MVC slice—controllers, filters, converters—without the full application context, making controller tests faster.

Question 4

What is the role of ApplicationContext in Spring?

Accepted Answer

The central interface providing bean factory, events, i18n, and resource loading

Answer

ApplicationContext extends BeanFactory with enterprise features: AOP integration, event publication, internationalization, and environment abstraction.

Question 5

Which Spring Cloud project provides distributed tracing integrated with Zipkin or Brave?

Accepted Answer

Spring Cloud Sleuth

Answer

Spring Cloud Sleuth instruments your application with trace and span IDs that are automatically propagated through logs and HTTP headers for distributed tracing.

Spring Framework Practice Test

Spring Framework Practice Test

Spring Framework Technology & Digital Applications 5