多项选择题Whichthreeofthesepre-requisiteforresettingaCatalystExpress500switchwhenCiscoNetworkAssistantisunavailable?()
A.At Least one enabled switch port that is unconnected to any device
B.A PC pre-configured with a specific IP Address and Mask
C.A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabled
D.Physical Access to Switch
E.A Switch with no connected devices