The network of a district hospital went down when someone connected a small switch to a wall socket in a waiting room. Which protection shuts a user-facing port as soon as another switch appears on it?
Le réseau d'un hôpital de district est tombé lorsque quelqu'un a branché un petit commutateur sur une prise murale d'une salle d'attente. Quelle protection désactive un port destiné aux utilisateurs dès qu'un autre commutateur y apparaît ?
Answers
APort mirroringRecopie de port
BJumbo framesTrames jumbo
CDHCP reservationRéservation DHCP
DBPDU guardBPDU guard
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