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單項選擇題

You are implementing basic switch security best practices. 
Which of these is a tactic that you can use to mitigate compromises from being launched through the switch?()

A.Make all ports private VLAN ports.
B.Place all unused ports in native VLAN 1 until needed.
C.Proactively configure unused switch ports as access ports.
D.Disable Cisco Discovery Protocol globally.

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