While preparing to replace an old CAT3 cable with a CAT6 cable to implement VoIP, a facilities
employee mistakenly disconnects the entire patch panel, including valid wiring to live workstations.
Which of the following should an administrator use in order to connect those ports FIRST?

A.
Toner

B.
Multimeter

C.
Reflectometer

D.
Cable tester

Explanation:
Toner® connects to any voice, data, or video cable to detect open/short circuits,
continuity, AC/DC voltage* and dial tone* all while protecting up to 52 volt.