Yahoo recommended that its customers use Yahoo Account Key, an authentication tool that verifies identity using a mobile phone and eliminates the need to use a password on Yahoo altogether.

雅虎建议用户使用雅虎账户密钥，这是一种验证工具，用户可以通过它使用手机验证自己的身份，再也不必通过输入密码登陆雅虎账户。

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Go back to the configuration tool and find the Authentication TAB.

回到配置工具，并找到验证标签。

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Kerberos Tray is a graphical user interface tool that displays ticket information for a computer running Microsoft's implementation of the Kerberos V5 authentication protocol.

Kerberos Tray是一个图形用户界面工具，用于显示运行Kerberos V5身份验证协议的Microsoft实现的计算机的相关票据信息。

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It snaps into a USB port in the computer and acts as an authentication tool without which the user cannot access the files.

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