The answer is to create a Person Group for each day, add patients, and delete the Person Group after the day ends. This approach is correct because the Face API enforces HIPAA compliance by allowing you to manage the lifecycle of face data through person group operations; when you delete a person group, all associated face data and person IDs are permanently removed, ensuring no protected health information is retained longer than necessary. On the AI-102 exam, this scenario tests your understanding of temporary versus persistent storage in Azure Cognitive Services, often appearing as a trap where candidates mistakenly try to delete individual face IDs or export data to local storage, which breaks traceability or is unsupported. The key insight is that the Face API does not allow deleting a single face ID from a person group—you must delete the entire group to purge the data. Memory tip: think of it as a “daily checkout list” — once the shift ends, you throw away the whole list, not just cross off names.
AI-102 Implement computer vision solutions Practice Question
This AI-102 practice question tests your understanding of implement computer vision solutions. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
You are developing a solution for a hospital that uses the Face API to identify patients from photos taken at check-in. The system must be HIPAA compliant. You need to ensure that face data is protected and not retained longer than necessary. The hospital wants to use the Face API for identification only during the patient's visit. After discharge, the face data should be deleted. What is the recommended approach?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a Person Group for each day, add patients, and delete the Person Group after the day ends.
Option A is correct because the Face API supports person group management; you can create a temporary person group for each visit, then delete it after discharge. Option B is wrong because storing face IDs indefinitely is not compliant. Option C is wrong because exporting to local storage and deleting may lose traceability. Option D is wrong because the Face API does not allow face ID deletion without deleting the person group.
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.
✗
Use the Face API with a subscription key and export face data to local storage, then delete from the cloud.
Why it's wrong here
Exporting may create copies that are hard to manage.
✗
Store the face IDs in a database and delete them manually after discharge.
Why it's wrong here
Face IDs are tied to the Person Group; deleting the ID without deleting the group is not sufficient.
✓
Create a Person Group for each day, add patients, and delete the Person Group after the day ends.
Why this is correct
Person Groups can be deleted to remove all face data at once.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use the Face API Identify operation and then delete the face ID from the Person Group.
Why it's wrong here
You cannot delete a face ID from a Person Group without deleting the entire group.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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 AI-102 NAT questions on configuration and troubleshooting.
Implement computer vision solutions — This question tests Implement computer vision solutions — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create a Person Group for each day, add patients, and delete the Person Group after the day ends. — Option A is correct because the Face API supports person group management; you can create a temporary person group for each visit, then delete it after discharge. Option B is wrong because storing face IDs indefinitely is not compliant. Option C is wrong because exporting to local storage and deleting may lose traceability. Option D is wrong because the Face API does not allow face ID deletion without deleting the person group.
What should I do if I get this AI-102 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 AI-102 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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