You are only ever in one room at any one time, just move a bulb around like you’re Ebenezer Scrooge shuffling around your dark chambers with your candle lit lantern
If it’s entry to mid level and the interviewer is asking questions that call for an example, use the STAR method (quick google search will go into detail). This helps show you’re a great communicator and can succinctly share info and highlight your experience. Goodluck!