Authentication is a process to verify a person's identity for security purposes and authenticationfactor is the piece of information used to achieve it.
身份验证是出于安全目的检查人员身份的过程，而身份验证因素是用来实现身份验证的信息。
2
The proxy can be extended to implement multi-factorauthentication and further strengthen the authentication requirements of Internet users.
代理可以通过扩展的方式实现多重身份认证，进一步强化互联网用户的认证需求。
3
This forms the first factor of the authentication.