单项选择题
单项选择题 WhichservicecomponentintheplanphaseevaluatesthereadinessofyourcurrentfacilitiesinfrastructuretosupportCiscoUnifiedCommunicationssystemdevelopment（）
单项选择题 Whatistheminimumrecommendeduplink／downlinkspeedtosupportasingleencryptedIPvoiceTeleworkercall?（）
单项选择题 WhatisthemaximumnumberofCTIportsforaCiscoUnifiedContactCenterExpress4.0Standarddeployment?（）