单选题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 collision domain is limited to each device and the hub.C If a switch is us
题目
单选题
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 collision 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.