- A
Azure Application Gateway with Web Application Firewall (WAF)
Why wrong: Application Gateway provides WAF and SSL termination, but it is a regional service. It does not provide the global load balancing and performance improvements from the nearest POP that Azure Front Door offers.
- B
Azure Front Door with Web Application Firewall (WAF)
Correct. Azure Front Door is a global service that provides both WAF protection (with managed rules) and global load balancing with termination at the edge, improving security and performance.
- C
Azure Traffic Manager
Why wrong: Traffic Manager is a DNS-based load balancer that does not provide web application firewall capabilities or SSL termination. It only routes traffic at the DNS level.
- D
Azure CDN (Content Delivery Network)
Why wrong: Azure CDN provides caching and performance improvements but does not include a managed web application firewall. While it can be used with WAF on origin, it does not have built-in WAF managed rules.
AZ-500 Secure networking Practice Question
This AZ-500 practice question tests your understanding of secure networking. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company runs a global web application on Azure App Service instances deployed in multiple Azure regions. They want to protect the application from common web attacks such as SQL injection and cross-site scripting (XSS) using a centralized set of managed rules that can be automatically updated. They also need to improve performance by terminating traffic at the nearest point of presence (POP) to end users. Which Azure service should they deploy in front of the App Service?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Front Door with Web Application Firewall (WAF)
Azure Front Door with WAF is correct because it provides global, centralized protection against common web attacks (SQL injection, XSS) using managed rule sets that are automatically updated, and it terminates traffic at the nearest point of presence (POP) to end users, improving performance through global load balancing and TLS termination. This meets both the security and performance requirements for a multi-region App Service deployment.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Azure Application Gateway with Web Application Firewall (WAF)
Why it's wrong here
Application Gateway provides WAF and SSL termination, but it is a regional service. It does not provide the global load balancing and performance improvements from the nearest POP that Azure Front Door offers.
- ✓
Azure Front Door with Web Application Firewall (WAF)
Why this is correct
Correct. Azure Front Door is a global service that provides both WAF protection (with managed rules) and global load balancing with termination at the edge, improving security and performance.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Traffic Manager
Why it's wrong here
Traffic Manager is a DNS-based load balancer that does not provide web application firewall capabilities or SSL termination. It only routes traffic at the DNS level.
- ✗
Azure CDN (Content Delivery Network)
Why it's wrong here
Azure CDN provides caching and performance improvements but does not include a managed web application firewall. While it can be used with WAF on origin, it does not have built-in WAF managed rules.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Application Gateway (regional, Layer 7 load balancer with WAF) with Azure Front Door (global, multi-region, with WAF), failing to recognize that only Front Door provides both global POP termination and centralized WAF for multi-region deployments.
Detailed technical explanation
How to think about this question
Azure Front Door operates at Layer 7 (HTTP/HTTPS) and uses Anycast routing to direct user traffic to the nearest POP, where TLS termination and WAF inspection occur before forwarding to the origin. The WAF policy can be associated with a Front Door instance and supports OWASP Core Rule Set (CRS) versions that are automatically updated by Microsoft, ensuring protection against emerging threats without manual rule management. In a real-world scenario, a global e-commerce site using Front Door can enforce geo-filtering, rate limiting, and bot protection alongside the managed rules, all while reducing latency for users in different continents.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Secure networking — study guide chapter
Learn the concepts, then practise the questions
- →
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FAQ
Questions learners often ask
What does this AZ-500 question test?
Secure networking — This question tests Secure networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Front Door with Web Application Firewall (WAF) — Azure Front Door with WAF is correct because it provides global, centralized protection against common web attacks (SQL injection, XSS) using managed rule sets that are automatically updated, and it terminates traffic at the nearest point of presence (POP) to end users, improving performance through global load balancing and TLS termination. This meets both the security and performance requirements for a multi-region App Service deployment.
What should I do if I get this AZ-500 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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