以下哪条命令是用来配置web认证服务器的?
Aweb-auth-server 1.1.1.1
Bweb-server 1.1.1.1
Cweb-server url http://www.portal.com
Dweb-auth-server url http://www.portal.com
Aweb-auth-server 1.1.1.1
Bweb-server 1.1.1.1
Cweb-server url http://www.portal.com
Dweb-auth-server url http://www.portal.com