单选题如何利用路由器上的service password encryption命令提供了额外的安全性？（）A所有通过路由器的密码都被加密B通过加密密码的明文配置文件中C当访问设备时提供加密的密码D通过配置一个加密的密钥为路由协议使用E在用户配置路由器时自动建议加密密码
单选题
如何利用路由器上的service password encryption命令提供了额外的安全性？（）
A
所有通过路由器的密码都被加密
B
通过加密密码的明文配置文件中
C
当访问设备时提供加密的密码
D
通过配置一个加密的密钥为路由协议使用
E
在用户配置路由器时自动建议加密密码
参考解析
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