At which stage of the Cisco Lifecycle Services approach would you test for system acceptance？（）

A. Cisco ISR Routers with the Enhanced Security Bundles support WebVPN.
B. Cisco security appliances act as a proxy between the end user and the target web server.
C. Cisco PIX Security Appliances （running release 7.0） and Adaptive Security Appliances both support WebVPN.
D. Cisco’s WebVPN solution supports both TCP and UDP port forwarding for legacy application support.

A. using QoS techniques such as Traffic Policing to rate limit suspected traffic to prevent DoS attacks
B. automatic reconfiguration s of the security devices based on current security threats
C. containment and control of security threats
D. application security
E. anti-x defense F- virtual firewall