单项选择题
What is the effect of using the service password-encryption command?（）
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.
相关考题
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多项选择题
Which two are advantages of static routing when compared to dynamic routing？（）
A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization is compued automatically by the router.
E.Routing traffic load is reduced when used in stub network links.
F.An efficient algorithm is used to build routing tables，using automatic updates.
G.Routing tables adapt automatically to topology changes. -
多项选择题
以下两个选项是工作在OSI模型的应用层的？（）
A.ping
B.Telnet
C.FTP
D.TCP
E.IP -
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？（）
A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.
