- A
Enable Allow gateway transit on the hub-to-spoke peering.
This allows the hub VNet gateway to be shared with the peered spoke network.
- B
Enable Use remote gateways on the spoke-to-hub peering.
This tells the spoke to use the gateway deployed in the remote hub VNet.
- C
Enable Allow forwarded traffic on both peerings as the only required setting.
Why wrong: Forwarded traffic is useful in some routing designs, but it does not enable gateway sharing by itself.
- D
Enable Allow gateway transit on the spoke-to-hub peering.
Why wrong: Gateway transit is configured on the gateway-owning VNet side, not on the spoke side.
- E
Create a user-defined route that points all on-premises prefixes to the hub VNet gateway.
Why wrong: UDRs can influence routing, but they do not replace the peering settings required for gateway sharing.
Quick Answer
The answer is enabling 'Allow gateway transit' on the hub-to-spoke peering and 'Use remote gateways' on the spoke-to-hub peering. These two settings work together because the hub VNet must first advertise its VPN gateway routes to the spoke via gateway transit, and then the spoke must explicitly request to use those remote gateway routes instead of creating its own. On the AZ-104 exam, this scenario tests your understanding of how hub-and-spoke network topologies avoid redundant VPN gateways—a common trap is confusing which setting goes on which peering direction. Remember that gateway transit is always configured on the side that owns the gateway (the hub), while use remote gateways is configured on the side that wants to consume it (the spoke). A helpful memory tip is "transit from the source, remote from the receiver."
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 hub-and-spoke environment already has an Azure VPN gateway deployed in the hub VNet. A spoke VNet must send on-premises traffic through that existing gateway, and administrators must be able to manage the peering from either side without creating a separate gateway in the spoke. Which two peering settings are required? Select two.
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
Enable Allow gateway transit on the hub-to-spoke peering.
Option A is correct because enabling 'Allow gateway transit' on the hub-to-spoke peering allows the hub VNet to advertise its VPN gateway routes to the spoke VNet. This setting is configured on the peering from the hub side and is a prerequisite for the spoke to use the hub's gateway for on-premises connectivity.
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.
- ✓
Enable Allow gateway transit on the hub-to-spoke peering.
Why this is correct
This allows the hub VNet gateway to be shared with the peered spoke network.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Enable Use remote gateways on the spoke-to-hub peering.
Why this is correct
This tells the spoke to use the gateway deployed in the remote hub VNet.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Enable Allow forwarded traffic on both peerings as the only required setting.
Why it's wrong here
Forwarded traffic is useful in some routing designs, but it does not enable gateway sharing by itself.
- ✗
Enable Allow gateway transit on the spoke-to-hub peering.
Why it's wrong here
Gateway transit is configured on the gateway-owning VNet side, not on the spoke side.
- ✗
Create a user-defined route that points all on-premises prefixes to the hub VNet gateway.
Why it's wrong here
UDRs can influence routing, but they do not replace the peering settings required for gateway sharing.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'Allow forwarded traffic' with 'Allow gateway transit', thinking that enabling forwarded traffic alone is sufficient for gateway sharing, but forwarded traffic only applies to traffic from an NVA, not from a VPN gateway.
Detailed technical explanation
How to think about this question
Under the hood, 'Allow gateway transit' on the hub-to-spoke peering enables the hub VNet to inject routes from its VPN gateway (learned via BGP or static) into the spoke VNet's effective routes. The spoke must then enable 'Use remote gateways' on the spoke-to-hub peering to accept those routes and direct on-premises traffic through the hub. This works because VNet peering supports transitive routing only when explicitly configured; without these settings, the spoke would need its own gateway to reach on-premises networks.
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.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable Allow gateway transit on the hub-to-spoke peering. — Option A is correct because enabling 'Allow gateway transit' on the hub-to-spoke peering allows the hub VNet to advertise its VPN gateway routes to the spoke VNet. This setting is configured on the peering from the hub side and is a prerequisite for the spoke to use the hub's gateway for on-premises connectivity.
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 →
Same concept, more angles
2 more ways this is tested on AZ-104
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A hub VNet already has a VPN gateway connected to on-premises. A spoke VNet must send on-premises traffic through the hub gateway without deploying its own gateway. Which peering settings are needed?
medium- A.Enable forwarded traffic on both peerings and add a route table to the spoke subnet.
- ✓ B.Enable gateway transit on the hub peering and use remote gateways on the spoke peering.
- C.Create a private endpoint in the spoke VNet and route on-premises traffic through it.
- D.Deploy a second VPN gateway in the spoke and connect it in active-active mode.
Why B: Option B is correct because it enables gateway transit on the hub-side peering connection and uses remote gateways on the spoke-side peering connection. This configuration allows the spoke VNet to route on-premises traffic through the hub's VPN gateway without deploying its own gateway, leveraging the hub as a transit point.
Variation 2. A hub VNet already has a VPN gateway connected to on-premises networks. A new spoke VNet must reach those on-premises networks through the existing gateway without deploying another gateway. Which peering settings are required?
medium- ✓ A.Enable gateway transit on the hub peering and use remote gateways on the spoke peering.
- B.Enable forwarded traffic on both peerings and leave gateway settings disabled.
- C.Enable use remote gateways on the hub peering and gateway transit on the spoke peering.
- D.Create a private endpoint between the two VNets.
Why A: Option A is correct because to allow a spoke VNet to use the hub VNet's VPN gateway without deploying its own, you must enable 'Use remote gateways' on the spoke peering and 'Gateway transit' on the hub peering. This configuration allows the spoke to route traffic destined for on-premises networks through the hub's VPN gateway, leveraging the existing site-to-site VPN connection.
Last reviewed: Jun 11, 2026
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