多项选择题
A.Itsendsdataincleartextformat.
B.ItisnolongersupportedonCisconetworkdevices.
C.ItismoresecurethanSSH
D.Itrequiresanenterpriselicenseinordertobeimplemented.
E.ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.
单项选择题 Refer to the exibit. Three cisco 2950 switches are set to their default priority settings.During the spanning-tree process，which switch will be elected as the root bridge？（）
单项选择题 What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?（）
单项选择题 Which port state is introduced by Rapid-PVST?（）