求教一关于远程登录的题..

左走-右走

A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the
confguration and issuing the show run command, the password for Telnet access should be encrypted.
Which set of commands will accomplish this task?
A. service password-encryption
access-list 1 permit 192.168.1.0 0.0.0.255
line vty 0 4
login
password cisco
access-class 1
B. enable password secret
line vty 0
login
password cisco
C. service password-encryption
line vty 1
login
password cisco
D. service password-encryption
line vty 0 4
login
password cisco
答案选C 可是line vty 1 不是开了两条可用登录线路么..诚心求教！



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小乔

line vty 0 1 这是两条
line vty 1这是一条

左走-右走

小乔 发表于 2011-7-16 11:36
line vty 0 1 这是两条
line vty 1这是一条

，3q...