单项选择题AnadministratoristryingtoconnecttoanRSA-IIadapterusingthedefaultIPaddressfoundintheinstallationmanualof192.168.70.125.TheWebbrowserreturnsa pagecannotbedisplayed message,andapingreturnsa requesttimedout message.Whichofthefollowingisthemostlikelycauseoftheproblem?()
A.The RSA II adapter has obtained a DHCP assigned address.
B.The RSA II adapter requires independent power to function.
C.The Class C IP address space is not being bridged on the network.
D.The RSA II adapter needs to be configured using a serial connection.