单项选择题
Which component of the Cisco 800, 1800, 2800, and 3800 Series ISRs can be used to enableimportant security and storage capabilities?（）
A. onboard USB 1.1 ports B. inline PoE C. Ethernet backup port D. BRI
单项选择题 How are RIP routing contexts implemented in MPLS VPN? （）
单项选择题 Which tool enables easy configuration and monitoring of Cisco ISRs? （）
单项选择题 What is the result when all Cisco Enterprise Campus Architecture components are designed withinteroperability in mind? （）
