下列关于网络设备安全的描述中,错误的是( )。
- A.为了方便设备管理,重要设备采用单因素认证
- B.详细记录网络设备维护人员对设备的所有操作和配置更改
- C.网络管理人员调离或退出本岗位时设备登录口令应立即更换
- D.定期备份交换路由设备的配置和日志
正确答案及解析
正确答案
解析
双因素是密码学的一个概念,从理论上来说,身份认证有三个要素:
第一个要素(所知道的内容):需要使用者记忆的身份认证内容,例如密码和身份证号码等。
第二个要素(所拥有的物品):使用者拥有的特殊认证加强机制,例如动态密码卡,IC卡,磁卡等。
第三个要素(所具备的特征):使用者本身拥有的惟一特征,例如指纹、瞳孔、声音等。
对于重要设备要采用双因素认证。
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