多项选择题
A. no congestion avoidance
B. not for bandwidth intensive applications
C. no guaranteed delivery mechanism
D. source sends multiple data streams out each interface
多项选择题 YouaretheCiscoNetworkDesignerinCisco.com.Whichsignalandnoisevalueswillresultinthebestphonecommunicationwithanaccesspoint？（）
单项选择题 WhichenterprisecachingmodeeliminatestheneedforLayer4switchesorWCCPenabledrouterstointerceptuserrequests？（）
单项选择题 YouaretheCiscoNetworkDesigner.Whichisnotmajorscaling，sizing，andperformance considerationforanIPsecdesign？（）