Question 1hardmulti select
Full question →hardmulti selectObjective-mapped
A backend subnet contains 18 Linux VMs that must install updates from the internet. Security requires all outbound traffic to use one static public IP, and none of the VMs may have their own public IP addresses. Which two changes meet the requirement? Select two.
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
Best answer
Associate a NAT gateway with the backend subnet and provide it with a public IP address or prefix.
NAT gateway gives the subnet a predictable outbound public IP without assigning public IPs to the VMs.
B
Best answer
Ensure the VMs do not have individual public IP addresses assigned.
This keeps outbound identity centralized through the NAT gateway instead of the VM NICs.
C
Distractor review
Create a public load balancer and add the VMs to its backend pool.
A public load balancer is mainly for inbound distribution and is not the simplest outbound-only requirement here.
D
Distractor review
Use a private endpoint for internet updates so outbound traffic remains private.
Private endpoints connect to Azure PaaS services, not arbitrary internet destinations.
E
Distractor review
Attach a route table with 0.0.0.0/0 to Virtual network gateway.
A virtual network gateway is for hybrid connectivity, not direct internet egress with a static public IP.
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.
Related practice questions
Related AZ-104 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
AZ-104 Azure RBAC practice questions
Practise AZ-104 questions linked to AZ-104 Azure RBAC.
AZ-104 storage account practice questions
Practise AZ-104 questions linked to AZ-104 storage account.
AZ-104 virtual network practice questions
Practise AZ-104 questions linked to AZ-104 virtual network.
AZ-104 NSG practice questions
Practise AZ-104 questions linked to AZ-104 NSG.
AZ-104 Azure Monitor practice questions
Practise AZ-104 questions linked to AZ-104 Azure Monitor.
AZ-104 backup practice questions
Practise AZ-104 questions linked to AZ-104 backup.
AZ-104 managed identity practice questions
Practise AZ-104 questions linked to AZ-104 managed identity.
AZ-104 load balancer practice questions
Practise AZ-104 questions linked to AZ-104 load balancer.
AZ-104 Azure Policy practice questions
Practise AZ-104 questions linked to AZ-104 Azure Policy.
AZ-104 virtual machine practice questions
Practise AZ-104 questions linked to AZ-104 virtual machine.
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: Associate a NAT gateway with the backend subnet and provide it with a public IP address or prefix. — The right design is to place a NAT gateway on the backend subnet and give that NAT gateway a public IP or prefix. That makes outbound internet traffic from the subnet appear from one static address. The VMs themselves must not have public IPs, because the requirement is to centralize egress through the NAT gateway. This is a common approach for patching, package downloads, and controlled outbound identity. Why others are wrong: A public load balancer is not the clean outbound-only solution, and it does not replace NAT gateway behavior in this scenario. Private endpoints are for private access to supported Azure services, not the public internet. A route to a virtual network gateway is a hybrid-routing choice, not an internet egress design, so it does not satisfy the requirement.
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.
Discussion
Loading comments…
Sign in to join the discussion.