单项选择题
A. tracking tagged items across an enterprise B. access to enterprise networks from different service areas C. standards-based communications for multiple media types D. extensive functionality for large enterprises
A. fixed configuration for secure broadband， metro Ethernet， and wireless connectivity B. configuration for security policy monitoring C. dynamic management through self-healing processes D. connectivity options and investment protection through support for existing Cisco 1700 SeriesWICs
A. Cisco Trust Agent B. Cisco Self-Defending Network C. Cisco Secure Access Control D. Cisco Network Admission Control