单项选择题
A.Only passwords configured after the command has been entered will beencrypted.
B.Only the enable password will be encrypted.
C.Only the enable secret password will beencrypted
D.It will encrypt the secret password and remove the enable secret password from the configuration.
E.It will encrypt all current and future passwords.
多项选择题 Which two are advantages of static routing when compared to dynamic routing？（）
多项选择题 以下两个选项是工作在OSI模型的应用层的？（）
单项选择题 A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task，using the fewest physical interfaces and without decreasing networkper formance？（）