单项选择题
Which network technology addresses these customer business needs: shrinking budgets and ITstaffs, more complex networks, and an increased need for network security?（）
A. Optical network B. Storage-area network (SAN) C. Content delivery network (CDN) D. Network management
单项选择题 Why is the Cisco Integrated Services Router product line A good choice for customers?（）
单项选择题 What is the goal of the borderless network architecture?（）
多项选择题 In which two ways do TANDBERG anD Cisco TelePresence solutions interoperate?（）
