Securing Web Applications in ASP.NET MCQs

What is the primary purpose of HTTPS in web application security?
a. To encrypt data transmitted between the client and server, preventing eavesdropping and tampering
b. To manage user sessions
c. To handle database interactions
d. To encrypt SQL queries

Answer: a. To encrypt data transmitted between the client and server, preventing eavesdropping and tampering

Which attribute in ASP.NET Core can be used to enforce HTTPS for an application?
a. [RequireHttps]
b. [Authorize]
c. [HttpGet]
d. [ValidateAntiForgeryToken]

Answer: a. [RequireHttps]

What does the CSP (Content Security Policy) header help protect against?
a. Cross-Site Scripting (XSS) attacks
b. SQL Injection
c. CSRF
d. Clickjacking

Answer: a. Cross-Site Scripting (XSS) attacks

How can you protect against Cross-Site Scripting (XSS) in ASP.NET?
a. By encoding user inputs and outputs
b. By encrypting cookies
c. By using parameterized queries
d. By managing session state

Answer: a. By encoding user inputs and outputs

What role does the ValidateAntiForgeryToken attribute play in ASP.NET MVC?
a. It helps protect against Cross-Site Request Forgery (CSRF) attacks by ensuring requests are from the original site
b. It handles SQL Injection
c. It manages user sessions
d. It encrypts data

Answer: a. It helps protect against Cross-Site Request Forgery (CSRF) attacks by ensuring requests are from the original site

Which security feature in ASP.NET Core helps prevent unauthorized access to application resources?
a. Authorization policies
b. SQL parameterization
c. Input validation
d. Data encryption

Answer: a. Authorization policies

What is the purpose of the IApplicationBuilder.UseHsts() method in ASP.NET Core?
a. To enable HTTP Strict Transport Security (HSTS) to enforce secure connections
b. To handle user authentication
c. To manage database connections
d. To handle session state

Answer: a. To enable HTTP Strict Transport Security (HSTS) to enforce secure connections

How can you prevent session fixation attacks in ASP.NET?
a. By regenerating the session ID after authentication
b. By encrypting session data
c. By managing session timeouts
d. By implementing HTTPS

Answer: a. By regenerating the session ID after authentication

What is the role of ASP.NET Identity in web application security?
a. It provides user authentication and authorization features
b. It manages database connections
c. It encrypts web traffic
d. It handles data serialization

Answer: a. It provides user authentication and authorization features

Which ASP.NET Core feature helps protect against brute force attacks on login attempts?
a. Rate limiting and account lockout policies
b. Encryption of login credentials
c. Use of HTTPS
d. SQL query parameterization

Answer: a. Rate limiting and account lockout policies

How does the X-Content-Type-Options header contribute to web application security?
a. It prevents browsers from interpreting files as a different MIME type
b. It encrypts web traffic
c. It manages user sessions
d. It handles authentication

Answer: a. It prevents browsers from interpreting files as a different MIME type

What is the purpose of implementing logging and monitoring in ASP.NET applications?
a. To detect and respond to security incidents and anomalies
b. To manage user authentication
c. To handle database interactions
d. To encrypt data

Answer: a. To detect and respond to security incidents and anomalies

Which of the following practices helps secure sensitive data in web applications?
a. Encrypting sensitive data both in transit and at rest
b. Using plaintext storage for sensitive data
c. Disabling input validation
d. Ignoring session management

Answer: a. Encrypting sensitive data both in transit and at rest

What is the purpose of the AntiForgeryToken in ASP.NET MVC forms?
a. To prevent CSRF attacks by validating that the form submission originates from the authenticated user
b. To encrypt the form data
c. To manage user sessions
d. To handle authentication

Answer: a. To prevent CSRF attacks by validating that the form submission originates from the authenticated user

Which ASP.NET Core feature helps protect against Clickjacking attacks?
a. X-Frame-Options header
b. Encryption of session cookies
c. Rate limiting of requests
d. Parameterized queries

Answer: a. X-Frame-Options header

How does the IApplicationBuilder.UseAuthorization() method contribute to web application security?
a. It enables authorization middleware to enforce access control policies
b. It encrypts user data
c. It handles session management
d. It manages database connections

Answer: a. It enables authorization middleware to enforce access control policies

What is the role of IApplicationBuilder.UseAuthentication() in ASP.NET Core?
a. It enables authentication middleware to handle user authentication
b. It encrypts web traffic
c. It manages session state
d. It handles database interactions

Answer: a. It enables authentication middleware to handle user authentication

Which of the following is a recommended approach to securely handle passwords in ASP.NET applications?
a. Using password hashing algorithms with salt
b. Storing passwords in plaintext
c. Using weak hashing algorithms
d. Encrypting passwords but not using salt

Answer: a. Using password hashing algorithms with salt

What is a key feature of the Data Protection API in ASP.NET Core?
a. It provides encryption and decryption services for protecting data
b. It handles user authentication
c. It manages session state
d. It performs database transactions

Answer: a. It provides encryption and decryption services for protecting data

How can developers use Policy-Based Authorization in ASP.NET Core to enhance security?
a. By defining complex authorization policies based on user roles, claims, and other factors
b. By using basic authentication
c. By managing session state
d. By encrypting database queries

Answer: a. By defining complex authorization policies based on user roles, claims, and other factors

What is the purpose of the IOptionsSnapshot in ASP.NET Core?
a. To provide a way to access configuration settings that can be updated at runtime
b. To manage user sessions
c. To handle data encryption
d. To execute SQL queries

Answer: a. To provide a way to access configuration settings that can be updated at runtime

Which header helps protect against content-sniffing attacks?
a. X-Content-Type-Options
b. X-Frame-Options
c. Content-Security-Policy
d. Strict-Transport-Security

Answer: a. X-Content-Type-Options

How can the Content-Security-Policy header be used to enhance security in ASP.NET applications?
a. By specifying which resources the browser should allow to be loaded and executed
b. By managing user authentication
c. By encrypting web traffic
d. By handling session state

Answer: a. By specifying which resources the browser should allow to be loaded and executed

What is the role of the AntiForgeryToken in preventing Cross-Site Request Forgery (CSRF)?
a. It ensures that requests are coming from an authenticated user by validating tokens
b. It encrypts web traffic
c. It manages session state
d. It handles authentication

Answer: a. It ensures that requests are coming from an authenticated user by validating tokens

Which ASP.NET Core feature provides a way to enforce HTTPS on an entire application?
a. HSTS (HTTP Strict Transport Security)
b. CSP (Content Security Policy)
c. XSS (Cross-Site Scripting) protection
d. CSRF (Cross-Site Request Forgery) protection

Answer: a. HSTS (HTTP Strict Transport Security)

What is the purpose of enabling HTTP Strict Transport Security (HSTS) in a web application?
a. To ensure that the application is only accessible over HTTPS
b. To encrypt SQL queries
c. To manage session state
d. To handle user authentication

Answer: a. To ensure that the application is only accessible over HTTPS

How does Rate Limiting help secure web applications?
a. By limiting the number of requests a user can make in a given timeframe, reducing the risk of brute-force attacks
b. By encrypting user data
c. By managing session state
d. By handling authentication

Answer: a. By limiting the number of requests a user can make in a given timeframe, reducing the risk of brute-force attacks

Which practice is essential for securing sensitive data in a web application?
a. Encrypting data both in transit and at rest
b. Using plaintext storage for sensitive data
c. Disabling input validation
d. Ignoring session management

Answer: a. Encrypting data both in transit and at rest

What is the purpose of Session Timeout settings in ASP.NET applications?
a. To limit the duration of user sessions to reduce the risk of session hijacking
b. To encrypt session data
c. To manage user authentication
d. To handle SQL queries

Answer: a. To limit the duration of user sessions to reduce the risk of session hijacking

Which of the following headers can be used to prevent Clickjacking attacks?
a. X-Frame-Options
b. X-Content-Type-Options
c. Strict-Transport-Security
d. Content-Security-Policy

Answer: a. X-Frame-Options

What is the role of Authentication Schemes in ASP.NET Core?
a. To define different methods of authenticating users, such as cookies, JWT, or OAuth
b. To manage session state
c. To handle data encryption
d. To execute SQL queries

Answer: a. To define different methods of authenticating users, such as cookies, JWT, or OAuth

How can you mitigate the risk of Cross-Site Request Forgery (CSRF) attacks?
a. By using anti-forgery tokens and validating them on the server side
b. By encrypting web traffic
c. By managing session state
d. By handling SQL queries

Answer: a. By using anti-forgery tokens and validating them on the server side

What does the X-Frame-Options header do in web application security?
a. It prevents the webpage from being displayed in a frame, iframe, or object to protect against clickjacking attacks
b. It encrypts data
c. It handles authentication
d. It manages user sessions

Answer: a. It prevents the webpage from being displayed in a frame, iframe, or object to protect against clickjacking attacks

Which method can be used to protect user credentials during authentication?
a. Hashing passwords with a strong cryptographic algorithm
b. Storing passwords in plaintext
c. Using weak hashing algorithms
d. Encrypting session cookies

Answer: a. Hashing passwords with a strong cryptographic algorithm

What is the primary purpose of Input Validation in web applications?
a. To ensure that user inputs conform to expected formats and are safe for processing, preventing security vulnerabilities
b. To handle session state
c. To encrypt data
d. To manage database connections

Answer: a. To ensure that user inputs conform to expected formats and are safe for processing, preventing security vulnerabilities

What does the CORS (Cross-Origin Resource Sharing) policy help with in web application security?
a. It controls how resources are shared between different domains, preventing unauthorized access
b. It encrypts data
c. It manages user sessions
d. It handles authentication

Answer: a. It controls how resources are shared between different domains, preventing unauthorized access

Which practice is essential to protect against Session Hijacking?
a. Using secure cookies and regenerating session IDs after login
b. Encrypting session data
c. Disabling session management
d. Using plaintext storage

Answer: a. Using secure cookies and regenerating session IDs after login

What is a key benefit of Web Application Firewalls (WAF)?
a. They provide an additional layer of security by filtering and monitoring HTTP requests to detect and block malicious traffic
b. They encrypt data
c. They manage session state
d. They handle user authentication

Answer: a. They provide an additional layer of security by filtering and monitoring HTTP requests to detect and block malicious traffic

How does Two-Factor Authentication (2FA) enhance web application security?
a. By requiring an additional verification step beyond just the password, such as a code sent to a mobile device
b. By encrypting SQL queries
c. By managing session state
d. By handling authentication

Answer: a. By requiring an additional verification step beyond just the password, such as a code sent to a mobile device

What is the role of the IAuthenticationHandler interface in ASP.NET Core?
a. It defines the methods for implementing different authentication schemes
b. It handles data encryption
c. It manages session state
d. It executes SQL queries

Answer: a. It defines the methods for implementing different authentication schemes

Which security practice helps ensure that sensitive information is not exposed in error messages?
a. Customizing error pages to avoid disclosing stack traces and internal details
b. Encrypting error messages
c. Managing session state
d. Handling authentication

Answer: a. Customizing error pages to avoid disclosing stack traces and internal details

What is the purpose of Security Headers in web application security?
a. To provide additional layers of security by controlling browser behavior and protecting against various attacks
b. To manage session state
c. To handle authentication
d. To encrypt data

Answer: a. To provide additional layers of security by controlling browser behavior and protecting against various attacks

What does SQL Injection protection involve in web applications?
a. Using parameterized queries and avoiding dynamic SQL
b. Encrypting SQL queries
c. Managing session state
d. Handling authentication

Answer: a. Using parameterized queries and avoiding dynamic SQL

Which ASP.NET Core middleware can be used to handle exceptions and provide error responses?
a. ExceptionHandler middleware
b. Authentication middleware
c. Authorization middleware
d. Session middleware

Answer: a. ExceptionHandler middleware

What is the function of the UseHttpsRedirection middleware in ASP.NET Core?
a. To redirect HTTP requests to HTTPS, enforcing secure connections
b. To handle user authentication
c. To manage session state
d. To encrypt SQL queries

Answer: a. To redirect HTTP requests to HTTPS, enforcing secure connections

How can developers ensure secure communication in a distributed web application?
a. By using TLS/SSL to encrypt data transmitted between services
b. By using plaintext communication
c. By managing session state
d. By handling authentication

Answer: a. By using TLS/SSL to encrypt data transmitted between services

What is a common method for protecting against Cross-Site Request Forgery (CSRF) in modern web applications?
a. Implementing anti-forgery tokens in forms and AJAX requests
b. Encrypting form data
c. Managing session state
d. Handling authentication

Answer: a. Implementing anti-forgery tokens in forms and AJAX requests

Which practice helps in mitigating the risk of Clickjacking attacks?
a. Using the X-Frame-Options header to prevent the page from being framed
b. Encrypting web traffic
c. Handling session management
d. Managing user authentication

Answer: a. Using the X-Frame-Options header to prevent the page from being framed

What is the purpose of Audit Logging in web applications?
a. To keep track of security-relevant events and actions for monitoring and forensic purposes
b. To manage session state
c. To encrypt data
d. To handle authentication

Answer: a. To keep track of security-relevant events and actions for monitoring and forensic purposes