911 clerks may never see a fiber cut that takes CAD down during class. How should the instructor let them practice that rare, high-stakes case safely?

911 CAD reliability is a public-safety dependency; fiber cuts are rare but catastrophic for callers. Asking a hypothetical such as what to do first if a fiber cut takes CAD down lets clerks practice the high-stakes case safely without waiting for a live outage. Hypotheticals are the facilitation tool for events that cannot or should not be staged in class.

Waiting until a real outage happens on shift fails by concept: first practice during an emergency is unsafe for the public and the clerks. Skipping rare events because they cannot be demonstrated live leaves a critical procedure unrehearsed. Showing a comedy clip about 911 may reduce tension but does not practice the outage procedure.

Exam caveat: hypotheticals must still map to taught procedures and the session objective; they are not free-form speculation. After the hypothetical, compare answers to the official continuity steps and correct gaps.

Operational check: pose the fiber-cut hypothetical, collect first actions, then post the agency's approved first steps and reconcile differences. Require each clerk to state the first action in one sentence before ending the drill. Continuity procedures for CAD outages are public-safety commitments, not trivia. Hypotheticals let 911 clerks rehearse under classroom control so the first repetition is not during a live fiber cut affecting callers. Capture answers on a board, reconcile to the agency runbook, and require each clerk to write their personal first-three-actions card before the module ends—then spot-check two cards for accuracy against the official order.