单项选择题
A.prevent packets from being dropped
B.increase available bandwidth
C.reduce hardware errors
D.provide predictable network service
E.eliminate propagation delay
F.eliminate jitter and packet loss
单项选择题 WhatarethestepsforconfiguringstatefulNBARfordynamicprotocols？（）
单项选择题 Twositesareusingamultisitecentralizedcallprocessingmodel.ThevoicegatewayontheremotebranchhaslostIPconnectivitytoitsCiscoCallManagerserver.WhichfeatureenablestheremotegatewaytotaketheroleofthecallagentduringtheWANfailure？（）
多项选择题 WhichtwostatementsregardingtheWirelessLANSolutionEngine（WLSE）aretrue？（）