多项选择题
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call? ()
A. codec B. link speed C. Layer 2 encapsulation D. packet overhead (IP/UDP/RTP) E. link delay F. total number of simultaneous calls that are allowed
多项选择题 WhataretwowaystominimizethedelayofVoIPpacketsthataretraversinganetwork?()
多项选择题 WhatarethreeCiscoUnifiedCallManagerfeatures?()
多项选择题 WhataretwocomponentsoftheQoSIntegratedServices(IntServ)model?()