单项选择题
A.AutoQoS can be configured from a different subinterface if the DLCI is already assigned to one subinterface
B.Multilink PPP (MLP) over Frame Relay must be manually configured on low speed DLCIs
C.for low-speed Frame Relay DLCIs with Frame Relay-to ATM interworking, the AutoQoS cannot be configured if a virtual template is already configured for the DLCI
D.AutoQoS can be configured on a Frame Relay DLCI only if a map class is attached to the DLCI
单项选择题 Refer to the exhibit. What type of interface will connect the voice gateway router R1 to the analog phone and the fax machine?（）
单项选择题 Whichstatementistrueaboutthecapabilitiesofavoicegatewayrouter？（）
单项选择题 AGREtunnelisconfiguredbetweenalocalandaremotesite.Whereshouldtheservicepolicybeappliedtoclassifypacketsbasedonthepretunnelheader?（）