WhichofthefollowingnetworkdevicesoperatesonLayer1oftheOSImodel?()A.HubB.SwitchC.RouterD.Bridge
题目
WhichofthefollowingnetworkdevicesoperatesonLayer1oftheOSImodel?()
A.Hub
B.Switch
C.Router
D.Bridge
A.Hub
B.Switch
C.Router
D.Bridge