[多选题]44、 When preparing to allow a Cisco IP phone unauthenticated access to a VPN head-end site without having to authenticate first, which two items requires configuration and details of the phone to be entered?无需验证的情况下，Cisco的IP电话就可以访问VPN头端站点，下面的哪两项需要配置和输入电话的信息?
A. VPN head-end group policy object VPN头端组策略对象
B. VPN head-end connection profile VPN头端连接配置文件
C. Cisco Easy VPN Remote client MAC exemption list Cisco Easy VPN远程客户端MAC豁免表
D. Cisco Easy VPN Remote client firewall rules Cisco Easy VPN远程客户端防火墙规则