Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A stateless web application needs a group of identical Azure VMs that can automatically add more instances during the workday and remove them at night based on CPU usage. What 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.
A
Distractor review
An availability set with two VMs
An availability set improves resilience, but it does not automatically change the number of running VMs.
B
Best answer
A virtual machine scale set with autoscale rules
A scale set is designed for identical VMs that can expand or shrink automatically based on demand.
C
Distractor review
A single VM with a larger disk
A larger disk does not provide automatic horizontal scaling for changing web traffic.
D
Distractor review
An Azure Policy assignment to increase CPU capacity
Azure Policy cannot scale compute instances; it only enforces governance settings.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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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?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: A virtual machine scale set with autoscale rules — A virtual machine scale set with autoscale is the correct solution because it is built for identical VMs that need to grow or shrink based on workload demand. It lets Azure add instances when CPU is high and remove them when demand drops. That makes it a natural fit for stateless services that need elastic capacity without manual intervention. Why others are wrong: An availability set protects against maintenance events, not traffic spikes. A single larger disk does not change the number of web servers. Azure Policy can enforce rules or settings, but it cannot respond to CPU load by creating or deleting VM instances.
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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