单项选择题
A.Financial deployments B.Medium deployments C.Large deployments D.Commercial deployments E.Small deployments
In the 7-layer OSI model, which layer switching will ta...
单项选择题In the 7-layer OSI model, which layer switching will take place?（）
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
