[单选] A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）

教育法的基本原则，是指全部教育法所应遵循的基本要求和（），是制定和执行教育法的出发点和基本依据。 行为规范。 工作标准。 价值准则。 法律关系。 动校正 新老兵运输期间，同一硬座车厢载有（）名以上的老兵，车站和列车都不得发售该车厢的车票。 50。 60。 70。 旧约经文中有六个大字是什么？ 倾角时差 A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）