单项选择题
A.Design
B.Prepare
C.Maintain
D.Optimize
单项选择题 WhichstatementmostaccuratelydescribestheaccountplanningservicecomponentinthepreparephaseforCiscoUnifiedCommunications（）
单项选择题 WhichoptimizephaseservicecomponentassessesthecurrentstateofthenetworkmanagementinfrastructureofacustomertoidentityissuesandopportunitiesthatleadtorecommendationsforimprovingtheabilitytomanagetheirCiscoUnifiedCommunicationssystem（）
单项选择题 QualityofserviceisanalyzedatwhichservicecomponentwithintheCiscoUnifiedCommunicationsplanphase（）