Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A bank deploys an AI system to approve personal loan applications. After six months, an audit reveals that applicants from certain postal codes receive significantly lower approval rates than applicants from other postal codes, even when their income and credit scores are comparable. Which Microsoft responsible AI principle is most directly violated by this outcome?
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
Fairness
Fairness requires AI systems to avoid discrimination; unequal approval rates based on postal code indicate a fairness violation.
B
Distractor review
Transparency
Transparency is about explaining decisions, but the core problem here is the discriminatory outcome, not the lack of explanation.
C
Distractor review
Inclusiveness
Inclusiveness aims to empower everyone, including people with disabilities, but the issue is unequal treatment based on geography, not accessibility.
D
Distractor review
Reliability and safety
Reliability and safety ensure the system functions as intended, but the system may be functioning 'correctly' based on biased data; the violation is in the outcome.
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.
Related practice questions
Related AI-900 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
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.
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FAQ
Questions learners often ask
What does this AI-900 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Fairness — The principle of Fairness requires that AI systems treat all people fairly and avoid creating or reinforcing discrimination. In this scenario, the system is applying different approval rates based on geography, which suggests the model may be biased against certain postal codes. This directly violates the fairness principle. Transparency would require the system to be explainable, but the core issue here is the discriminatory outcome. Inclusiveness ensures accessibility for all, but the problem is unequal treatment rather than exclusion. Reliability and safety ensures the system works correctly, but the system may be making accurate predictions based on biased data, which is a fairness issue.
What should I do if I get this AI-900 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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