多项选择题
A. distributed routing
B. Cisco Unity Express
C. security， firewall and VPN
D. analog devices
多项选择题 Youaremeetingwithacustomerwhoisconcernedaboutimprovingemployeeproductivity.WhataretwowaysthatyoushouldpositiontheCiscoSDNwiththiscustomer？（）
单项选择题 WhichtypeofsoftwarewouldtheCiscoCatalyst2950Seriesswitchesusetodeliverintelligent servicestonetworksthatrequireadditionalsecurity，advancedQoS，andhighavailability？（）
单项选择题 Whichtypeofsecuritywillallowbusinessestofocusonachievingbusinessgoals？（）