This is the 2309th most frequent French word.
muni
Equipped or provided.
The term "muni" is used in the reflexive verb "se munir" which means "to equip oneself" or "to provide oneself with something."
Avant de partir en randonnée, Pierre s'est muni d'une carte et d'une boussole.
Before going hiking, Pierre equipped himself with a map and a compass.
Here, "muni" is used as an adjective meaning "equipped" and agrees with the subject "salle": female and singular.
Cette salle est munie d'un système de chauffage avancé.
This room is equipped with an advanced heating system.
In this sentence, "muni" appears again as part of a participial phrase denoting that candidates must have certain items prepared or ready.