- A
Azure Application Gateway.
Why wrong: Application Gateway is a Layer 7 load balancer, which is more than what the scenario requires.
- B
Azure Load Balancer Standard.
A Standard Load Balancer is the right fit for distributing TCP 443 traffic to healthy backend VMs using a single public IP at Layer 4. It supports health probes and works well for internet-facing workloads that do not need application-level routing. Because the scenario specifically excludes Layer 7 features, the load balancer provides the simplest and most cost-effective design while still meeting availability and traffic distribution requirements.
- C
Azure Traffic Manager.
Why wrong: Traffic Manager operates at the DNS layer and directs clients to endpoints, but it does not directly load-balance TCP sessions to VMs.
- D
Azure Front Door.
Why wrong: Front Door is a global HTTP/HTTPS entry point with Layer 7 capabilities, which adds features not requested in this scenario.
AZ-104 Implement and Manage Virtual Networking Practice Question
This AZ-104 practice question tests your understanding of implement and manage virtual 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 public web application runs on two Windows Server VMs in Azure. Users connect through a single public IP on TCP 443, and the solution must distribute traffic only to healthy VMs without requiring Layer 7 features such as URL-based routing. Which Azure service should the administrator deploy?
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 Load Balancer Standard.
Azure Load Balancer Standard is the correct choice because it operates at Layer 4 (TCP/UDP) and distributes incoming traffic across healthy VM instances based on a single public IP address and port (TCP 443). It performs health probes to ensure traffic is only sent to healthy backend VMs, and it does not require any Layer 7 features like URL-based routing, making it ideal for this scenario.
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.
Why it's wrong here
Application Gateway is a Layer 7 load balancer, which is more than what the scenario requires.
When this WOULD be correct
An exam question where the requirement includes Layer 7 features such as URL path-based routing, SSL termination, or Web Application Firewall (WAF) for a web application. For example: 'A web application needs to route traffic based on URL paths and provide SSL offloading. Which Azure service should you use?'
- ✓
Azure Load Balancer Standard.
Why this is correct
A Standard Load Balancer is the right fit for distributing TCP 443 traffic to healthy backend VMs using a single public IP at Layer 4. It supports health probes and works well for internet-facing workloads that do not need application-level routing. Because the scenario specifically excludes Layer 7 features, the load balancer provides the simplest and most cost-effective design while still meeting availability and traffic distribution requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Traffic Manager.
Why it's wrong here
Traffic Manager operates at the DNS layer and directs clients to endpoints, but it does not directly load-balance TCP sessions to VMs.
When this WOULD be correct
A question requiring global DNS-based traffic distribution across multiple Azure regions, such as 'Users connect to a web app from different geographic regions, and the solution must route users to the nearest healthy endpoint based on latency or geographic location.'
- ✗
Azure Front Door.
Why it's wrong here
Front Door is a global HTTP/HTTPS entry point with Layer 7 capabilities, which adds features not requested in this scenario.
When this WOULD be correct
A global web application with multiple regional deployments needs to route users to the nearest healthy endpoint based on latency or geographic location, and requires SSL offloading and URL-based routing. Azure Front Door would be the correct choice.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓Azure Load Balancer Standard.Correct answer▾
Why this is correct
A Standard Load Balancer is the right fit for distributing TCP 443 traffic to healthy backend VMs using a single public IP at Layer 4. It supports health probes and works well for internet-facing workloads that do not need application-level routing. Because the scenario specifically excludes Layer 7 features, the load balancer provides the simplest and most cost-effective design while still meeting availability and traffic distribution requirements.
✗Azure Application Gateway.Wrong answer — click to see why▾
Why this is wrong here
Azure Application Gateway is a Layer 7 load balancer that provides URL-based routing and other HTTP/S features, which are not required here. The question specifies no Layer 7 features are needed, and only TCP 443 traffic distribution is required, making a Layer 4 load balancer (Azure Load Balancer) the correct choice.
★ When this WOULD be the correct answer
An exam question where the requirement includes Layer 7 features such as URL path-based routing, SSL termination, or Web Application Firewall (WAF) for a web application. For example: 'A web application needs to route traffic based on URL paths and provide SSL offloading. Which Azure service should you use?'
Why candidates choose this
Candidates often associate web applications with Application Gateway because it is designed for HTTP/S traffic and offers advanced web features, leading them to overlook that a simple Layer 4 load balancer suffices when only basic TCP distribution and health checks are needed.
✗Azure Traffic Manager.Wrong answer — click to see why▾
Why this is wrong here
Azure Traffic Manager operates at the DNS level, routing traffic based on DNS resolution, not on the health of individual VMs or ports. It cannot distribute traffic to healthy VMs on TCP 443 without Layer 7 features.
★ When this WOULD be the correct answer
A question requiring global DNS-based traffic distribution across multiple Azure regions, such as 'Users connect to a web app from different geographic regions, and the solution must route users to the nearest healthy endpoint based on latency or geographic location.'
Why candidates choose this
Candidates may confuse Traffic Manager's DNS-level load balancing with network-level load balancing, assuming it can handle health-based distribution for a single public IP.
✗Azure Front Door.Wrong answer — click to see why▾
Why this is wrong here
Azure Front Door operates at Layer 7 and provides global load balancing with HTTP/HTTPS features like URL-based routing, which are not required. The question specifies no Layer 7 features and a single public IP, making Front Door overkill and incorrect.
★ When this WOULD be the correct answer
A global web application with multiple regional deployments needs to route users to the nearest healthy endpoint based on latency or geographic location, and requires SSL offloading and URL-based routing. Azure Front Door would be the correct choice.
Why candidates choose this
Candidates may confuse Front Door with a standard load balancer because both can distribute traffic and provide health probes, overlooking that Front Door is a global Layer 7 service with advanced routing capabilities.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Application Gateway with Azure Load Balancer, assuming that any web traffic requires Layer 7 features, but the question explicitly states no Layer 7 features are needed, making the Layer 4 Load Balancer the correct and simpler choice.
Trap categories for this question
Scenario analysis trap
Application Gateway is a Layer 7 load balancer, which is more than what the scenario requires.
Detailed technical explanation
How to think about this question
Azure Load Balancer Standard uses a five-tuple hash (source IP, source port, destination IP, destination port, protocol) to map traffic to backend VMs, ensuring session persistence without Layer 7 inspection. Health probes can be configured as TCP, HTTP, or HTTPS, but for TCP 443, a simple TCP probe checking for SYN-ACK responses is sufficient to determine VM health. In a real-world scenario, if the VMs run IIS or another web server, the load balancer will distribute traffic evenly across healthy instances, and if a VM fails its health probe, it is automatically removed from the backend pool until it recovers.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Virtual Networking — This question tests Implement and Manage Virtual Networking — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Load Balancer Standard. — Azure Load Balancer Standard is the correct choice because it operates at Layer 4 (TCP/UDP) and distributes incoming traffic across healthy VM instances based on a single public IP address and port (TCP 443). It performs health probes to ensure traffic is only sent to healthy backend VMs, and it does not require any Layer 7 features like URL-based routing, making it ideal for this scenario.
What should I do if I get this AZ-104 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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