- A
Global VNet peering.
Global VNet peering is the correct choice for private connectivity between VNets in different Azure regions. It keeps traffic on the Microsoft backbone, uses private IP addressing, and avoids the added latency and overhead of an external VPN tunnel. Because the VNets already have non-overlapping address spaces, they meet the peering prerequisites. This design is commonly used when multiple regional workloads need fast, private communication without introducing a gateway-based path.
- B
A site-to-site VPN between the two VNets.
Why wrong: A VPN would add unnecessary complexity and latency when Azure-native peering can provide direct private connectivity.
- C
Azure Traffic Manager with two public endpoints.
Why wrong: Traffic Manager directs clients at the DNS layer and does not create private IP connectivity between VNets.
- D
A service endpoint for each application subnet.
Why wrong: Service endpoints are for secure access to supported PaaS services, not VNet-to-VNet application traffic.
Quick Answer
The answer is Global VNet peering. This is the correct choice because Global VNet peering connects two VNets in different Azure regions directly over the Microsoft backbone, bypassing the public internet and any intermediate VPN gateways, which inherently reduces latency and ensures private IP connectivity. On the AZ-104 exam, this scenario tests your understanding of when to prioritize performance and direct routing over security or gateway-based solutions; a common trap is choosing site-to-site VPN because it seems more secure, but that introduces additional hop latency through a VPN gateway and traverses the internet or a slower encrypted tunnel. Remember the key distinction: VPNs are for encrypted cross-premises or cross-region connectivity where latency is less critical, while Global VNet peering is the fastest path for cross-region private traffic within Azure. A helpful memory tip is "Peering for speed, VPN for need" — if the requirement is lowest latency, always pick peering.
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.
Two application VNets are deployed in different Azure regions. Each VNet uses a unique, non-overlapping address space. The application teams want private IP connectivity over the Microsoft backbone with the lowest possible latency between the regions. Which design should the administrator choose?
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
Global VNet peering.
Global VNet peering provides direct, private IP connectivity between two VNets in different Azure regions over the Microsoft backbone, ensuring the lowest possible latency by bypassing the public internet and any intermediate gateways. It uses the Azure infrastructure to route traffic efficiently between the peered VNets, meeting the requirement for private, low-latency communication.
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.
- ✓
Global VNet peering.
Why this is correct
Global VNet peering is the correct choice for private connectivity between VNets in different Azure regions. It keeps traffic on the Microsoft backbone, uses private IP addressing, and avoids the added latency and overhead of an external VPN tunnel. Because the VNets already have non-overlapping address spaces, they meet the peering prerequisites. This design is commonly used when multiple regional workloads need fast, private communication without introducing a gateway-based path.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A site-to-site VPN between the two VNets.
Why it's wrong here
A VPN would add unnecessary complexity and latency when Azure-native peering can provide direct private connectivity.
- ✗
Azure Traffic Manager with two public endpoints.
Why it's wrong here
Traffic Manager directs clients at the DNS layer and does not create private IP connectivity between VNets.
- ✗
A service endpoint for each application subnet.
Why it's wrong here
Service endpoints are for secure access to supported PaaS services, not VNet-to-VNet application traffic.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse site-to-site VPN (Option B) as a private connectivity method, overlooking that its encryption overhead and gateway processing introduce higher latency compared to the direct, unencrypted path of Global VNet peering.
Detailed technical explanation
How to think about this question
Global VNet peering leverages the Azure backbone network to route traffic between VNets in different regions with minimal hops, using the same high-speed infrastructure that Azure uses for internal traffic. Unlike VPNs, peering does not require encryption, reducing overhead and latency, and it supports transitive routing only if explicitly configured via network virtual appliances or hub VNets. In real-world scenarios, this design is ideal for multi-region application deployments requiring synchronous replication or real-time data exchange.
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.
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Implement and Manage Virtual Networking — study guide chapter
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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: Global VNet peering. — Global VNet peering provides direct, private IP connectivity between two VNets in different Azure regions over the Microsoft backbone, ensuring the lowest possible latency by bypassing the public internet and any intermediate gateways. It uses the Azure infrastructure to route traffic efficiently between the peered VNets, meeting the requirement for private, low-latency communication.
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 →
Last reviewed: Jun 11, 2026
This AZ-104 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-104 exam.
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