单选题Which statement describes the Authentication Proxy feature？（）AAll traffic is permitted from the inbound to the outbound interface upon successful authentication of the user.BA specific access profile is retrieved from a TACACS+ or RADIUS server and applied to an IOS Firewall based on user provided credentials.CPrior to responding to a proxy ARP，the router will prompt the user for a login and password which are authenticated based on the configured AAA policy.DThe proxy server capabilities of the IOS Firewall are enabled upon successful authentication of the user.
单选题
Which statement describes the Authentication Proxy feature？（）
A
All traffic is permitted from the inbound to the outbound interface upon successful authentication of the user.
B
A specific access profile is retrieved from a TACACS+ or RADIUS server and applied to an IOS Firewall based on user provided credentials.
C
Prior to responding to a proxy ARP，the router will prompt the user for a login and password which are authenticated based on the configured AAA policy.
D
The proxy server capabilities of the IOS Firewall are enabled upon successful authentication of the user.
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