单项选择题
A. The Cisco Full-Service network foundation delivers a layered security approach that introduces interoperability issues
B. The Cisco Full-service Network Foundation Increases the support Cost
C. The Cisco Full-Service Network Foundation delivers a static single layer security approach that eliminates the interoperability issues
D. The Cisco Full-Service Network Foundation Delivers a layered security Approach that eliminates the interoperability issues
单项选择题 Which model of the Cisco 1800 Series Integrated Services Router is Modular?（）
单项选择题 If you have Cisco integrated services router and need to upgrade the Cisco IOS image,which kind of Cisco Support services do you need?（）
多项选择题 What are four uses of the USB ports in the Cisco integrated services routers?（）