Spring Security Quiz - MCQ - Multiple Choice Questions

Spring Security is one of the most powerful modules in the Spring ecosystem, designed to provide comprehensive security features for Java applications. From authentication to authorization, CSRF protection to OAuth2, Spring Security handles it all. This MCQ guide will help you gauge your understanding and enhance your knowledge of Spring Security.

Note that each MCQ question is followed by the correct answer and an explanation to help reinforce your knowledge.

1. What does Spring Security primarily offer?

a) Web Design Templates

b) Database Connectivity

c) Authentication and Authorization

d) RESTful Services

Answer:

c) Authentication and Authorization

Explanation:

Spring Security primarily provides comprehensive security features for authentication and authorization in applications.

2. What is the primary responsibility of Spring Security's Authentication mechanism?

a) Enforcing HTTPS

b) Confirming user identity

c) Managing database connections

d) Logging application events

Answer:

b) Confirming user identity

Explanation:

Authentication is the process of confirming the user's identity. It ensures that the user is who they claim to be.

3. Which component in Spring Security holds the information about a user's granted authorities?

a) UserDetails

b) GrantedAuthorities

c) UserRoles

d) Authentication

Answer:

d) Authentication

Explanation:

The Authentication object holds the principal (user) details and its granted authorities.

4. In Spring Security, what is the main difference between authentication and authorization?

a) They both refer to the same process.

b) Authentication is for verifying identity, while authorization determines what an authenticated user can access.

c) Authentication grants access, while authorization verifies identity.

d) Both are filters used to block unauthorized requests.

Answer:

b) Authentication is for verifying identity, while authorization determines what an authenticated user can access.

Explanation:

Authentication confirms user identity, while authorization defines the actions or resources an authenticated user can access.

5. Which filter is central to Spring Security's filter chain?

a) HttpFilter

b) WebSecurityFilter

c) FilterChainProxy

d) SecurityChainFilter

Answer:

c) FilterChainProxy

Explanation:

FilterChainProxy is the core component that manages the security filter chain in Spring Security.

6. Which annotation is used to enable method-level security?

a) @EnableSecurity

b) @EnableMethodSecurity

c) @MethodSecure

d) @SecureMethod

Answer:

b) @EnableMethodSecurity

Explanation:

The @EnableMethodSecurity annotation is used to enable method-level security annotations.

7. Which interface is primarily responsible for loading UserDetails by its username in Spring Security?

a) UserDetailsService

b) UserDetailsLoader

c) UserManager

d) UserProvider

Answer:

a) UserDetailsService

Explanation:

The UserDetailsService interface is designed to load user-specific data by its username.

8. In Spring Security, which class is a principal UserDetails implementation?

a) UserDetail

b) UserPrincipal

c) User

d) AppUser

Answer:

c) User

Explanation:

The User class is a principal implementation of the UserDetails interface provided by Spring Security.

9. Which annotation secures a method and restricts it to specific roles?

a) @RoleSecure

b) @PermitRole

c) @HasRole

d) @PreAuthorize

Answer:

d) @PreAuthorize

Explanation:

The @PreAuthorize annotation is used to secure methods based on role or other access-control expressions.

10. By default, which URL is used for the Spring Security login page?

a) /login

b) /signin

c) /auth

d) /enter

Answer:

a) /login

Explanation:

By default, Spring Security provides a basic login page accessible via the /login URL.

11. What does CSRF stand for in Spring Security?

a) Cross-Site Request Framework

b) Cross-Security Request Forgery

c) Cross-Site Request Forgery

d) Cross-Server Request Form

Answer:

c) Cross-Site Request Forgery

Explanation:

CSRF stands for Cross-Site Request Forgery, a type of attack that tricks users into performing unintended actions.

12. Which filter in Spring Security handles logout functionality?

a) LogoutFilter

b) SessionFilter

c) SignoutFilter

d) ExitFilter

Answer:

a) LogoutFilter

Explanation:

The LogoutFilter provides logout capabilities in Spring Security.

13. In which module is the OAuth2 support provided in Spring Security?

a) Spring OAuth

b) Spring Security OAuth2

c) Spring Auth2

d) Spring OpenAuth

Answer:

b) Spring Security OAuth2

Explanation:

Spring Security provides OAuth2 support through the Spring Security OAuth2 module.

14. Which class represents the currently authenticated user in Spring Security?

a) CurrentUser

b) SecurityUser

c) Authentication

d) AuthenticatedUser

Answer:

c) Authentication

Explanation:

The Authentication class represents the currently authenticated user in Spring Security.

15. What default role prefix does Spring Security use?

a) ROLE_

b) AUTH_

c) USER_

d) SPRING_

Answer:

a) ROLE_

Explanation:

By default, Spring Security uses the ROLE_ prefix for roles.

16. Which of the following is NOT an authentication provider in Spring Security?

a) DaoAuthenticationProvider

b) JwtAuthenticationProvider

c) RememberMeAuthenticationProvider

d) SessionAuthenticationProvider

Answer:

d) SessionAuthenticationProvider

Explanation:

There's no SessionAuthenticationProvider in Spring Security.

17. Which Spring Security filter is responsible for processing user authentication?

a) AuthenticationFilter

b) UserAuthenticationFilter

c) UsernamePasswordAuthenticationFilter

d) UserCredentialsFilter

Answer:

c) UsernamePasswordAuthenticationFilter

Explanation:

The UsernamePasswordAuthenticationFilter processes authentication requests based on username and password.

18. How does Spring Security handle authorization aspects for web requests?

a) Through Filters

b) Using AOP (Aspect-Oriented Programming)

c) By directly modifying application logic

d) Through JDBC

Answer:

a) Through Filters

Explanation:

Spring Security uses a chain of filters to handle the authorization aspects for web requests.

19. Which annotation checks if a user is authenticated before accessing a method?

a) @IsAuthenticated

b) @AuthCheck

c) @Secured

d) @UserCheck

Answer:

c) @Secured

Explanation:

The @Secured annotation ensures that a user is authenticated before accessing the annotated method.

20. Which class in Spring Security is used to hash passwords?

a) PasswordEncoder

b) PasswordHasher

c) HashEncoder

d) SecureEncoder

Answer:

a) PasswordEncoder

Explanation:

The PasswordEncoder interface in Spring Security provides mechanisms to hash passwords.

21. Which of the following is a default filter used for form-based authentication in Spring Security?

a) HttpBasicFilter

b) FormAuthenticationFilter

c) UsernamePasswordAuthenticationFilter

d) FormLoginFilter

Answer:

c) UsernamePasswordAuthenticationFilter

Explanation:

The UsernamePasswordAuthenticationFilter is used for form-based authentication to process the submission of the login form.

22. In Spring Security, which authentication method sends credentials with every HTTP request?

a) Form-based authentication

b) OAuth2 authentication

c) JWT authentication

d) Basic authentication

Answer:

d) Basic authentication

Explanation:

Basic authentication sends the username and password with every HTTP request, encoded in the header.

23. What does the ROLE_ANONYMOUS in Spring Security represent?

a) Authenticated users

b) Users with elevated privileges

c) Non-authenticated users accessing public resources

d) Admin users

Answer:

c) Non-authenticated users accessing public resources

Explanation:

ROLE_ANONYMOUS represents users that have not authenticated but are accessing public or permitted resources.

24. What mechanism does form-based authentication in Spring Security typically use to remember the authenticated user across multiple requests?

a) JWT tokens

b) Session

c) Basic Auth header

d) API keys

Answer:

b) Session

Explanation:

Form-based authentication usually relies on HTTP sessions to remember the authenticated user across requests.

25. Which Spring Security filter is responsible for processing authentication for HTTP Basic Authentication?

a) HttpBasicAuthFilter

b) BasicAuthenticationFilter

c) BasicAuthProcessingFilter

d) HttpBasicProcessingFilter

Answer:

b) BasicAuthenticationFilter

Explanation:

The BasicAuthenticationFilter processes the authentication request for HTTP Basic Authentication.

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