Security is a broad topic that includes authentication, authorization, and information transmission.
安全是一个涉及面很广的话题，如认证、授权及信息传输等。
A remote access dial in user service (RADIUS) authentication, authorization and account system is constructed.
构建了基于远程访问拨号接入用户服务(RADIUS)的认证、授权和计费系统。
A remote access dial in user service (RADIUS) authentication, authorization and account system is constructed.
构建了基于远程访问拨号接入用户服务(RADIUS)的认证、授权和计费系统。
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