单项选择题

What occurs on a Frame Relay network when the CIR is exceeded?（）

A.All TCP traffic is marked discard eligible.
B.All UDP traffic is marked discard eligible and a BECN is sent.
C.All TCP traffic is marked discard eligible and a BECN is sent.
D.All traffic exceeding the CIR is marked discard eligible.

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多项选择题

It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit.Which of the following processes are required to accomplish this task?（）

A.configure static frame relay map entries for each subinterface network.
B.remove the ip address from the physical interface
C.create the virtual interfaces with the interface command
D.configure each subinterface with its own IP address
E.disable splithorizon to prevent routing loops between the subinterface networks
F.encapsulate the physical interface with multipoint PPP

单项选择题

which command allows you to verify the encapsulation type (CISCO OR IETF) for a frame relay link?（）

A.show frame-relay map
B.show frame-relay lmi
C.show inter serial
D.show frame-relay pvc