多项选择题
What are two functions associated with JUNOS software class of service？（）
A.Log incoming traffic. B.Manage ingress bandwidth. C.Mark packets for special handling. D.Manage congestion by intelligently dropping traffic. E.Classify Frame Relay QoS packets into an equivalent OP CoS environment.
单项选择题 WhichBehaviorAggregate（BA）isusedtoclassifytrafficarrivingonanLSP？（）
多项选择题 WhichtwoforwardingclasseshavebandwidthassignedwhenCoSisnotexplicitlyconfiguredinJUNOSsoftware？（）
多项选择题 Firewallfilterpolicerscanperformwhichtwoactions？（）
