Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A branch office with a fixed public IP needs encrypted access to private Azure virtual machines and internal services in a VNet. Traffic must travel across the public internet in an encrypted tunnel, and the connection should use a route-based design. What should the administrator deploy in Azure?
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
An Azure Virtual Network peering connection to the branch office network.
VNet peering does not connect an on-premises branch office across the public internet.
B
Best answer
A VPN gateway with a site-to-site connection.
A site-to-site VPN gateway creates an encrypted tunnel from the branch office to Azure over the public internet. Because the branch has a static public IP and the requirement calls for route-based connectivity, this is the correct Azure networking service. Once deployed, the gateway can provide private access to VMs and internal services in the virtual network without exposing them directly to the internet.
C
Distractor review
A service endpoint on the target subnet.
Service endpoints are for Azure PaaS services and do not provide encrypted branch-office connectivity to a VNet.
D
Distractor review
An Azure private endpoint for the virtual machines.
Private endpoints are for supported PaaS resources, not for exposing IaaS VMs or whole networks.
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: A VPN gateway with a site-to-site connection. — A site-to-site VPN gateway is the correct service when an on-premises or branch location needs encrypted connectivity into an Azure VNet over the public internet. The requirement for a fixed public IP and route-based tunnels fits the standard Azure VPN gateway design. After the tunnel is established, users at the branch can reach private Azure resources as if they were on the internal network, without publishing those resources publicly. Why others are wrong: Peering only works between Azure VNets and does not create an encrypted branch-office tunnel. Service endpoints do not connect external networks to a VNet, and private endpoints are limited to supported Azure services rather than whole sets of private VMs. The question is asking for a network-to-network encrypted path, which points to VPN gateway.
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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