AIGP Question of the Day — 24 August 2026
A new free AIGP practice question every few days, with a full explanation.
A product team says their recommendation engine is 'reliable, so robustness testing is redundant'. What is the best correction?
- Agree: months of stable production accuracy already demonstrate performance under varied real inputs
- Reliability concerns expected-use performance; robustness concerns perturbed inputs, so both need testing
- Robustness testing should be reserved for safety-critical deployments, not recommendation engines
- Robustness is a security property, so adversarial testing belongs with the CISO's penetration tests
Reliability means consistent intended performance under expected conditions, while robustness means holding up under noisy, shifted or adversarial inputs; a system can be reliable in normal use yet fragile under perturbation, so both properties need testing (b). (a) conflates the two: stable production accuracy says little about behaviour under perturbation. (c) understates robustness, which matters wherever inputs can vary, not only in safety-critical settings. (d) reduces robustness to security, though it also covers non-malicious perturbation such as distribution shift.
Keep going
All 100 Domain I practice questions are free in the app — no card details — with progress tracking and an explanation for every answer. See more at the free practice questions page.
AI Governance Study is an independent study aid. It does not represent a government entity: it is not affiliated with, endorsed by or authorised by any government, government agency or regulatory authority, and it does not provide government services or legal advice. Laws and frameworks are described in our own words — the official texts are listed at official sources. It is also not affiliated with, endorsed by, or sponsored by the IAPP. The AIGP name is used only to identify the exam this material helps you prepare for.