单项选择题
A.Providing a temporary network need
B.Ensuring secure presentations
C.Having freedom of movement within a network range
D.Augmenting an existing network
单项选择题 If an enterprise customer required A switch for their branch office access layer, which family of switches would the customer likely choose from?（）
多项选择题 Which two features characterize controller-based deployments in a WLAN?（）
单项选择题 Which content network component is primarily used to store and deliver content from the network edge?（）