Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A hub VNet contains a VPN gateway that provides access to on-premises resources. A spoke VNet is peered to the hub and must send on-premises traffic through the hub gateway without deploying its own gateway. What peering configuration is required?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Enable forwarded traffic on both peerings and disable gateway transit.
Forwarded traffic allows traffic that originated elsewhere, but it does not let the spoke use the hub gateway for transit.
B
Best answer
Enable gateway transit on the hub peering and Use remote gateways on the spoke peering.
This is the correct hub-and-spoke gateway sharing configuration. The hub peering must allow gateway transit, and the spoke peering must use the remote gateway in the hub. Together, these settings let the spoke route on-premises traffic through the hub VPN gateway without deploying a second gateway.
C
Distractor review
Create a second VPN gateway in the spoke and peer the two gateways.
That would add unnecessary cost and complexity and is not required for shared gateway transit.
D
Distractor review
Configure the spoke subnet with a service endpoint to the hub gateway subnet.
Service endpoints are for supported Azure PaaS services, not for routing traffic through a VPN gateway.
Common exam trap
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Technical deep dive
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A route table contains these entries: 10.0.0.0/8 with next hop Virtual appliance, and 10.1.1.0/24 with next hop Virtual network gateway. Which next hop will Azure use for traffic to 10.1.1.5?
Question 2
You are deploying a stateless web application on Azure virtual machines. The solution must automatically add and remove instances based on CPU demand and allow all instances to be managed as one logical group. Which Azure compute feature should you deploy?
Question 3
You are deploying a Windows Server VM for an internal app. The VM must support Secure Boot and vTPM later, its OS disk must survive host moves, and the team wants the lowest-cost managed disk tier that still behaves like a normal writable OS disk. Which two choices should you make? Select two.
Question 4
You need to deploy several identical virtual machines and ensure that the failure of a single Azure host does not affect all of them. Which feature should you use?
Question 5
You need to connect VNet-Hub and VNet-Spoke so that resources in both virtual networks can communicate privately over the Microsoft backbone. Both virtual networks are in the same region. What should you configure?
Question 6
You need to create a storage account that provides the lowest-cost redundant storage for non-critical data and only needs protection against local disk or server failure within a single datacenter. Which redundancy option should you choose?
FAQ
Questions learners often ask
What does this AZ-104 question test?
CIDR notation defines the prefix length.
What is the correct answer to this question?
The correct answer is: Enable gateway transit on the hub peering and Use remote gateways on the spoke peering. — When a spoke VNet needs to use a hub VPN gateway, Azure requires a two-part peering configuration. The hub-to-spoke peering must allow gateway transit, and the spoke-to-hub peering must use remote gateways. This enables the spoke to send traffic destined for on-premises networks through the hub gateway without deploying an additional VPN gateway in the spoke. It is the standard hub-and-spoke transit design. Why others are wrong: Forwarded traffic is not the same as gateway transit and does not provide shared gateway access. Deploying a second VPN gateway is unnecessary when remote gateway sharing is supported. Service endpoints are unrelated to VPN connectivity and only apply to specific PaaS services. The question is about transit through an existing hub gateway, not service access.
What should I do if I get this AZ-104 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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