A branch office uses an on-premises firewall that supports IPsec/IKE and has a stable public IP. The office needs always-on private connectivity to an Azure VNet over the internet. Which Azure component should the administrator deploy?
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.
Distractor review
Azure Bastion in the target VNet.
Bastion provides secure browser-based RDP or SSH access to VMs, not permanent network connectivity for the whole office.
Best answer
A site-to-site connection using Azure VPN Gateway.
A site-to-site VPN with Azure VPN Gateway is designed for permanent encrypted connectivity between an on-premises network and an Azure VNet. The branch firewall can establish an IPsec/IKE tunnel to the gateway using its public IP, which matches the scenario. This approach provides private connectivity across the internet without exposing the workload directly to public endpoints. It is the standard choice for hybrid network connectivity when ExpressRoute is not required.
Distractor review
VNet peering between the branch office and the Azure VNet.
VNet peering connects two Azure virtual networks. It cannot directly connect an on-premises office network.
Distractor review
A private endpoint for the Azure VNet.
Private endpoints are for individual PaaS resources and do not create site-to-site connectivity for an entire branch network.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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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?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: A site-to-site connection using Azure VPN Gateway. — A site-to-site VPN using Azure VPN Gateway is the standard Azure solution for a branch office that needs always-on encrypted connectivity to a VNet. The office firewall can use IPsec/IKE to create the tunnel over the internet, giving users private access to Azure resources. This fits the scenario because it connects two networks rather than just one host or one service, and it does not require a dedicated private circuit. Why others are wrong: VNet peering only works between Azure VNets, so it cannot connect the branch office directly. Azure Bastion is for secure administrative access to virtual machines, not for general network connectivity. Private endpoints expose specific PaaS services through private IPs, but they do not provide a tunnel for the whole branch network. The question asks for hybrid network connectivity, which is what VPN Gateway provides.
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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