A technician finds that a network cable under a desk has been crushed by a chair, and the PC has no link light. At which OSI layer is this fault?
Un technicien constate qu'un câble réseau sous un bureau a été écrasé par une chaise et que le PC n'a plus de voyant de liaison. À quelle couche OSI se situe cette panne ?
Answers
AData LinkLiaison de données
BPhysicalPhysique
CNetworkRéseau
DTransportTransport
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