Which two statements are true regarding an Ethernet collision domain?

Which two statements are true regarding an Ethernet collision domain? (Choose two)

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