然而在一般情况下，通过密码就可以获得访问权限。

Typically, however, a password suffices to gain access.

youdao

为了获得访问权限，用户将基于自己的需要请求对特定应用程序的访问，包括特定角色或访问级别。

To obtain access, the user requests access to a specific application, including specific roles or access levels, based on the user's needs.

youdao

获得访问权限涉及到两个安全问题中的第一个问题(请参阅安全性部分)：对许可用户进行身份验证。

Gaining access involves the first of two security issues (see the following section, security) : authenticating permitted users.

youdao