Which two statements are true regarding an Ethernet collision domain?（）
- A、If a switch is used, the collision domain is limited to each device and the switch
- B、If a hub is used, the collision domain is limited to each device and the hub
- C、If a hub is used, the collision domain includes all devices connected to the hub
- D、If a switch is used, the collision domain includes all devices connected to the switch
正确答案:A,C
答案解析:有
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