Self-assessment questions

1. What is Cross-Site Scripting (XSS), and why is it a security concern for web applications?
   1. XSS is a security feature that prevents data leakage in web applications.
   2. XSS is a programming language used for web development.
   3. XSS is a technique used to secure web applications.
   4. XSS is a vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.
2. What is Cross-Site Request Forgery (CSRF) and how can web applications defend against it?
   1. CSRF is a technique for securely transmitting data between a client and a server.
   2. CSRF is a security feature that protects against unauthorized data access.
   3. CSRF is a type of encryption used to protect sensitive data in web applications.
   4. CSRF is an attack where an attacker tricks a user into unknowingly making a request to a web application without their consent.
3. What is SQL injection and how can it be prevented in web applications?
   1. SQL injection is a database management technique...