We know your license class.
Every question in the three FCC pools, each with a plain-language explanation of why the answer is right, the rule it comes from, and a study plan that learns what you keep missing. The exam draws one question from every group, so everything here tracks you group by group. Pick your element.
Questions and answers are the published NCVEC pools, reproduced verbatim. Explanations are HamSandwich's own. Rule text is the eCFR's.