多项选择题
A.WCS
B.WLSE
C.WLC
D.WDS
E.LWAPP
单项选择题 Whatisthemostcommoncauseofnetworkcongestion？（）
多项选择题 WhichthreeconfigurationtasksarerequiredtosuccessfullydeployNBARtorecognizeTCPandUDPstatefulprotocols？（）
单项选择题 Refer to the exhibit. The serial link that connects the two offices has a bandwidth of 128 kbps.What could be done to set aside 64 kbps of bandwidth to transport VoIP traffic over the WAN link？（）