单项选择题
A. equipment defects
B. equipment failures
C. complex network operation and management issues
D. integrating mixed vendor equipment
单项选择题 WhatisoneofthemostimportantwaysinwhichCisconetworkintegrationcanprovidegreatopportunityinthehealthcaremarket？（）
单项选择题 WhatisneededtoallowITmanagerstodesign，control，andmonitortheirwirelessnetworksformacentralizedlocationaswirelessnetworksgrowinscaleandcomplexity？（）
多项选择题 WhataretwoadvantagesthattheCisco3900SeriesIntegratedServicesRoutershaveovertherestoftheintegratedservicesrouters？（）