单项选择题
What is used to provide read access to QoS configuration and statistics information on Cisco platforms thatsupport Modular QoS CLI （MQC）？（）
A.Cisco NBAR Discovery B.Cisco AutoQoS C.Cisco Class-Based QoS MIB D.Cisco SDM QoS Wizard E.CDP
单项选择题 Inaframe，theMPLSlabelisimposed（）.
多项选择题 WhichIOSfeaturesareusedtoavoidRoutingloopswhendynamicRoutingprotocolsareusedbetweenPEandCEinMPLS-VPNnetworks？（）
单项选择题 BCP（BestCommonPractices）38/RFC2827IngressandEgressPacketFilteringwouldhelpmitigatewhatclassificationofattack？（）
