单项选择题
A.Layer two B.Layer four C.Layer one D.Layer three
In which area of the campus LAN are the user computers ...
单项选择题In which area of the campus LAN are the user computers attached to the network?（）
A.core B.access C.distribution D.aggregation
Which three are current small business needs for techno...
多项选择题Which three are current small business needs for technology investments? （）
A.be more productive B.plan for today C.work from anywhere D.reduce reliance on technology E.serve customers better F.minimize network investments
Which device is installed in user devices and makes wir...
单项选择题Which device is installed in user devices and makes wireless connections between them and a network?（）
A.Access point B.Bridge C.Router D.Client adapter
