Users are reporting wired connectivity drops in a new office with brand new CAT6 infrastructure.
Which of the following tools should a technician use to BEST troubleshoot this issue?

A.
OTDR

B.
Protocol analyzer

C.
Toner probe

D.
Cable certifier

Explanation:

A cable certifier is an electronic device used to verify the source of electric current, voltage and a
switching matrix used to connect the current source and the volt meter to all of the contact points
in a cable.