Top 30 multiple-choice questions (MCQs) only focused on the Security Headers and Server Configuration in back-end components covering below topics,along with their answers and explanations.
• Explaining the role of security headers and proper server configuration in securing back-end components.
• Discussing best practices for securing server configurations.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. What is the primary purpose of security headers in the context of back-end components?
- To improve server performance
- To define HTTP response policies and enhance security
- To enhance data confidentiality
- To prevent unauthorized access
Security headers define HTTP response policies and enhance security in the context of back-end components.
2. How can the Content Security Policy (CSP) header contribute to web security?
- By improving server performance
- By defining and enforcing a policy to prevent unauthorized content execution
- By enhancing data confidentiality
- By preventing unauthorized access
The Content Security Policy (CSP) header defines and enforces a policy to prevent unauthorized content execution, contributing to web security.
3. What is the purpose of the Strict-Transport-Security (HSTS) header in back-end component security?
- Improved server performance
- To enforce secure and encrypted connections by instructing browsers to use HTTPS
- Enhanced data confidentiality
- Prevention of unauthorized access
The Strict-Transport-Security (HSTS) header enforces secure and encrypted connections by instructing browsers to use HTTPS, enhancing back-end component security.
4. How does the X-Content-Type-Options header contribute to security?
- Improved server performance
- By preventing browsers from interpreting files as a different MIME type than declared
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Content-Type-Options header prevents browsers from interpreting files as a different MIME type than declared, contributing to security.
5. What role does the X-Frame-Options header play in back-end component security?
- Improved server performance
- By preventing the rendering of a web page in a frame or iframe
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Frame-Options header prevents the rendering of a web page in a frame or iframe, enhancing back-end component security.
6. How can attackers exploit missing or misconfigured security headers?
- By improving server performance
- By manipulating the server to ignore security policies and headers
- By enhancing data confidentiality
- By preventing unauthorized access
Attackers can exploit missing or misconfigured security headers by manipulating the server to ignore security policies and headers.
7. What is the purpose of the X-XSS-Protection header in preventing cross-site scripting (XSS) attacks?
- Improved server performance
- By enabling browser-based XSS protection mechanisms
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-XSS-Protection header enables browser-based XSS protection mechanisms, helping prevent cross-site scripting (XSS) attacks.
8. How does the X-Content-Security-Policy header contribute to web security?
- Improved server performance
- By specifying a content security policy for the browser to follow
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Content-Security-Policy header specifies a content security policy for the browser to follow, contributing to web security.
9. What is the significance of the X-Permitted-Cross-Domain-Policies header?
- Improved server performance
- By defining cross-domain policy files for Adobe Flash applications
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Permitted-Cross-Domain-Policies header defines cross-domain policy files for Adobe Flash applications, enhancing security.
10. How can the Referrer-Policy header contribute to user privacy and security?
- Improved server performance
- By controlling how much information is included in the HTTP Referer header
- Enhanced data confidentiality
- Prevention of unauthorized access
The Referrer-Policy header controls how much information is included in the HTTP Referer header, contributing to user privacy and security.
11. What is the purpose of the Feature-Policy header in back-end component security?
- Improved server performance
- By controlling which browser features can be used by the website
- Enhanced data confidentiality
- Prevention of unauthorized access
The Feature-Policy header controls which browser features can be used by the website, contributing to back-end component security.
12. How can the Server header impact back-end component security?
- Improved server performance
- By revealing information about the server software and version
- Enhanced data confidentiality
- Prevention of unauthorized access
The Server header can impact back-end component security by revealing information about the server software and version.
13. What is the purpose of the Public-Key-Pins header in back-end component security?
- Improved server performance
- By associating a set of public keys with a web server to prevent man-in-the-middle attacks
- Enhanced data confidentiality
- Prevention of unauthorized access
The Public-Key-Pins header associates a set of public keys with a web server to prevent man-in-the-middle attacks, enhancing security.
14. How does the Expect-CT header contribute to back-end component security?
- Improved server performance
- By enforcing the Certificate Transparency policy for SSL/TLS certificates
- Enhanced data confidentiality
- Prevention of unauthorized access
The Expect-CT header enforces the Certificate Transparency policy for SSL/TLS certificates, contributing to back-end component security.
15. What role does the HTTP Strict Transport Security (HSTS) preload list play in web security?
- Improved server performance
- By instructing browsers to always use HTTPS for a specified domain
- Enhanced data confidentiality
- Prevention of unauthorized access
The HSTS preload list instructs browsers to always use HTTPS for a specified domain, enhancing web security.
16. How can attackers exploit misconfigurations in server headers for security breaches?
- By improving server performance
- By manipulating the server to expose sensitive information or weaken security measures
- Enhanced data confidentiality
- Prevention of unauthorized access
Attackers can exploit misconfigurations in server headers by manipulating the server to expose sensitive information or weaken security measures.
17. What is the role of the X-Download-Options header in back-end component security?
- Improved server performance
- By preventing the automatic opening of files downloaded from a web page
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Download-Options header prevents the automatic opening of files downloaded from a web page, contributing to back-end component security.
18. How does the X-Permitted-Cross-Domain-Policies header impact the security of Adobe Flash applications?
- Improved server performance
- By specifying cross-domain policy files for Adobe Flash applications
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Permitted-Cross-Domain-Policies header specifies cross-domain policy files for Adobe Flash applications, impacting their security.
19. What is the purpose of the X-Robots-Tag header in back-end component security?
- Improved server performance
- By providing directives to control how search engines index content
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Robots-Tag header provides directives to control how search engines index content, contributing to back-end component security.
20. How can the X-Content-Type-Options header prevent MIME type sniffing vulnerabilities?
- Improved server performance
- By instructing browsers to not interpret files as a different MIME type than declared
- Enhanced data confidentiality
- Prevention of unauthorized access
The X-Content-Type-Options header prevents MIME type sniffing vulnerabilities by instructing browsers to not interpret files as a different MIME type than declared.
