The correct answer is to create an Azure CDN profile and add a CDN endpoint pointing to the storage account, then enable HTTPS on that endpoint. This works because Azure CDN caches your product images on edge servers distributed globally, bringing content physically closer to European users and drastically reducing latency for global content delivery without any application code changes. On the AZ-204 exam, this scenario tests your understanding of how to optimize static content delivery using managed services—a common trap is overcomplicating the solution by suggesting geo-redundant storage or custom code, when a simple CDN endpoint with HTTPS enabled meets all requirements cost-effectively. Remember that Azure CDN handles both caching and HTTPS termination at the edge, so you don’t need to modify your blob storage or application logic. A useful memory tip: “CDN = Cache Distributes Near” to recall that edge nodes solve latency by caching content close to users.
AZ-204 Develop for Azure storage Practice Question
This AZ-204 practice question tests your understanding of develop for azure storage. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your company, Contoso Ltd., operates a global e-commerce platform. The platform stores product images in Azure Blob Storage. Currently, the images are stored in a single storage account in the West US region. The application uses HTTP to download images. Users in Europe report slow load times. You need to reduce latency for European users. The solution must minimize costs and administrative overhead. You also need to ensure that images are served over HTTPS. You have the following requirements: 1) Users in Europe must have low-latency access. 2) The solution must be cost-effective. 3) The solution must not require changes to the application code. 4) Images must be served over HTTPS. Which course of action should you recommend?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Use Azure Front Door with the storage account as a backend.
Why wrong: Front Door is overkill and more expensive for static content.
B
Create an Azure CDN profile and add a CDN endpoint that points to the storage account. Enable HTTPS on the CDN endpoint.
CDN caches content at edge locations and supports HTTPS.
C
Create a secondary storage account in Europe and use asynchronous replication. Update the application to use the secondary endpoint for European users.
Why wrong: Requires code changes and administrative overhead.
D
Enable geo-redundant storage (GRS) on the storage account.
Why wrong: GRS replicates data but does not provide edge caching.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an Azure CDN profile and add a CDN endpoint that points to the storage account. Enable HTTPS on the CDN endpoint.
Option B is correct because Azure CDN provides a global, distributed network of edge servers that cache content closer to users, reducing latency for European users without requiring application code changes. Enabling HTTPS on the CDN endpoint ensures images are served securely over HTTPS, meeting the requirement. This solution is cost-effective as it uses a pay-as-you-go model and minimizes administrative overhead by leveraging a managed service.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use Azure Front Door with the storage account as a backend.
Why it's wrong here
Front Door is overkill and more expensive for static content.
✓
Create an Azure CDN profile and add a CDN endpoint that points to the storage account. Enable HTTPS on the CDN endpoint.
Why this is correct
CDN caches content at edge locations and supports HTTPS.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a secondary storage account in Europe and use asynchronous replication. Update the application to use the secondary endpoint for European users.
Why it's wrong here
Requires code changes and administrative overhead.
✗
Enable geo-redundant storage (GRS) on the storage account.
Why it's wrong here
GRS replicates data but does not provide edge caching.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing Azure CDN with Azure Front Door or geo-replication, where candidates might think a global load balancer or storage replication is needed for latency reduction, but Azure CDN is the simplest and most cost-effective solution for static content caching without code changes.
Detailed technical explanation
How to think about this question
Azure CDN (Content Delivery Network) caches static content like images at edge nodes (Points of Presence, PoPs) located in over 100 cities worldwide. When a user requests an image, the CDN edge node serves it from cache if available, drastically reducing round-trip time compared to fetching from the origin storage account in West US. HTTPS on the CDN endpoint is enabled via a managed certificate (e.g., from Azure Key Vault or a CDN-provided certificate) and terminates at the edge, ensuring encrypted delivery without modifying the storage account's HTTPS settings.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Develop for Azure storage — This question tests Develop for Azure storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an Azure CDN profile and add a CDN endpoint that points to the storage account. Enable HTTPS on the CDN endpoint. — Option B is correct because Azure CDN provides a global, distributed network of edge servers that cache content closer to users, reducing latency for European users without requiring application code changes. Enabling HTTPS on the CDN endpoint ensures images are served securely over HTTPS, meeting the requirement. This solution is cost-effective as it uses a pay-as-you-go model and minimizes administrative overhead by leveraging a managed service.
What should I do if I get this AZ-204 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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