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單項選擇題

Which statement is true regarding an Ethernet collision domain?()

A. If a router is used, the collision domain includes all devices connected to the router
B. If a hub is used, the colision domain is limited to each device and the hub
C. If a switch is used, the collision domain is limited to each device and the switch
D. If a bridge is used, the collision domain includes all devices connected to the bridge

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