In a public switched telephone network, lines are terminated at the central office.
true
false

True.

Explanation:

A Central office or local office in Metropolitan cities is a building or an office where the phone lines coming from a home or office are terminated and connected to a bigger switching system.Central office got the switching equipment which holds the ability to switch calls long-distances or locally.Hence we conclude that the answer is True.

answer; technician (b) is wrong; so im thinking technician (a) is correct; good luck