Exam questions often present a scenario and ask which FATE pillar is most directly implicated. Look for the specific complaint: unequal outcomes across groups = Fairness; "who do we blame/sue" = Accountability; "we can't explain why it decided that" = Transparency; big-picture societal concerns (jobs, surveillance, power) = Ethics. The EU AI Act (2024) is frequently cited as the first comprehensive global AI regulation addressing these pillars.
The most common trap is treating these four pillars as if one clean technical fix solves all of them at once. They are explicitly in tension with each other — making a model more transparent/explainable can sometimes require simplifying it in ways that reduce accuracy, creating new fairness tradeoffs. There is no pure algorithmic solution that resolves all four simultaneously.