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.
A healthcare application stores patient diagnostic images in Azure Blob Storage. The images are accessed by radiologists worldwide. You need to reduce latency for image retrieval while maintaining security and compliance. Which TWO actions should you take?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable Azure CDN or Azure Front Door with caching rules.
Options A and D are correct. Enabling Azure CDN or Azure Front Door caches content at edge locations, reducing latency. Geo-redundant storage provides replication to another region, but does not reduce latency for read access unless read-access is enabled (RA-GRS). Option B (RA-GRS) provides a secondary read endpoint, but does not improve latency for all users globally. Option C incorrectly suggests deleting the blob after reading. Option E (Premium tier) improves performance but is costly and not specifically for global latency reduction.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Upgrade to Premium Block Blob storage.
Why it's wrong here
Provides consistent low latency but is expensive and does not provide global edge caching.
✓
Enable Azure CDN or Azure Front Door with caching rules.
Why this is correct
Caches content at edge locations globally, reducing latency.
Related concept
Static NAT maps one inside address to one outside address.
Provides secondary read endpoint but only in one other region, not global edge caching.
✓
Use Azure Front Door with private link to the storage account.
Why this is correct
Combines global load balancing, caching, and secure private access.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use Blob Storage lifecycle management to delete blobs after reading.
Why it's wrong here
Does not reduce latency; deletion is for cost management.
Common exam traps
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.
Detailed technical explanation
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.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-204 NAT questions on configuration and troubleshooting.
Develop for Azure storage — This question tests Develop for Azure storage — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Enable Azure CDN or Azure Front Door with caching rules. — Options A and D are correct. Enabling Azure CDN or Azure Front Door caches content at edge locations, reducing latency. Geo-redundant storage provides replication to another region, but does not reduce latency for read access unless read-access is enabled (RA-GRS). Option B (RA-GRS) provides a secondary read endpoint, but does not improve latency for all users globally. Option C incorrectly suggests deleting the blob after reading. Option E (Premium tier) improves performance but is costly and not specifically for global latency reduction.
What should I do if I get this AZ-204 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related AZ-204 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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