单项选择题
You are the network administrator for passguide.com. Which device will you install in your computer to make wireless connections you and a network?（）
A.Wireless router B.Hub C.Repeater D.Wireless network adapter
多项选择题 What are the two primary advantages of content networking solutions? （）
单项选择题 Which content network component maintains original source content and publishes content to the network edge?（）
多项选择题 Internet Protocol videoconferencing (IP/VC) provides which two business benefits? （）
