The answer depends on the hostel
A small hostel with open corridors is different from a multi-block property with thick walls. The number of rooms matters, but so do floor layout, building materials and where residents actually use the internet.
That is why Nister asks for buildings, floors, rooms and approximate residents before recommending a setup.
What to prepare before an assessment
Count the buildings and floors that need Wi-Fi. Note the rooms with weak signal. Share whether residents gather in courtyards, study rooms or outdoor spaces.
A simple description is enough to begin. Estimates are better than silence.