单项选择题
A. Cisco interface and module tools
B. Cisco direct-access links
C. The Ordering tab at Cisco.com
D. Cisco network management tools
单项选择题 Ascustomersdeployconvergedservicesacrossthebusinessinfrastructure，accessroutersmust integratesecurityservicesandIPcommunications.Whichrouterseriesextends intelligent networkingtoremotebranchesandoffices？（）
单项选择题 CiscoUnifiedCommunications500SeriesforSmallBusiness，acriticalpartoftheCiscoSmartBusinessCommunicationsSystem，isaunifiedcommunicationssolutionforsmallbusinessesthat providesvoice，data，voicemail.ForwhichtechnologytheCiscoUC520providesintegratedWLAN connectivitytomobileclients？（）
多项选择题 CiscoUnifiedCommunications500SeriesforSmallBusiness，acriticalpartoftheCiscoSmart BusinessCommunicationsSystem，isaunifiedcommunicationssolutionforsmallbusinessesthat providesvoice，data，voicemail.WhichthreefeaturesdoestheCiscoUC520support？（）