单项选择题
Which type of deployment utilizes ISRs with Cisco IOS Security feature sets to provide an ideal, low-cost, yet capable and powerful platform?（）
A.Financial deployments B.Medium deployments C.Large deployments D.Commercial deployments E.Small deployments
单项选择题 In the 7-layer OSI model, which layer switching will take place?（）
单项选择题 In which area of the campus LAN are the user computers attached to the network?（）
多项选择题 Which three are current small business needs for technology investments? （）
