多项选择题
What are three Cisco Unified CallManager features？（）
A.programming interface to external applications B.FXS and FXO port negotiation C.AutoQos VoIP trust boundaries D.signaling and device control E.LLO for voice and video traffic F.directory and XML services
多项选择题 WhichtwostatementsaboutWREDaretrue？（）
多项选择题 IndicatethethreeOoSclassesautomaticallyactivatedforbusiness-criticaltrafficbytheSDMOoSwizard？（）
多项选择题 Whichtwostatementsdescribetrafficpolicing？（）
