How can the administrator enable permanent client installation in a Cisco AnyConnect VPN firewall configuration?
A . Issue the command anyconnect keep-installer under the group policy or username webvpn mode
B . Issue the command anyconnect keep-installer installed in the global configuration
C . Issue the command anyconnect keep-installer installed under the group policy or username webvpn mode
D . Issue the command anyconnect keep-installer installer under the group policy or username webvpn mode
Answer: C