单项选择题
Which series of Cisco routers is suitable for small businesses and for connecting small offices to enterprise networks？（）
A. Cisco 800 Series routers B. Cisco 830 Series routers C. Cisco 1700 Series Modular Access Routers D. Cisco 3700 Series Modular Access Routers
单项选择题 WhichoftheseisthebestdefinitionoftheCiscoLifecycleServiceapproach？（）
多项选择题 WhichthreeofthefollowingareelementsoftheCiscoUnifiedWirelessNetwork？（）
多项选择题 Whatarethreeimportantsecurityissuesinanysmall，medium，orenterprisebusinessorganization？（）
