show frame-relay map output

Statistics in show frame-relay map output

Q: Which two statistics appear in show frame-relay map output? (Choose two.)

the value of the local DLCI.the status of the PVC that is configured on the router.

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Question

Which two statistics appear in show frame-relay map output? (Choose two.)

Answers

A. the number of BECN packets that are received by the router.

B. the value of the local DLCI.

C. the number of FECN packets that are received by the router.

D. the status of the PVC that is configured on the router.

E. the IP address of the local router.

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Explanations

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A. B. C. D. E.

The show frame-relay map command is used to display the current status of the Frame Relay PVCs (permanent virtual circuits) configured on a router. This command displays the mapping between the locally configured DLCIs and the remote endpoints.

The two statistics that appear in the show frame-relay map output are:

B. The value of the local DLCI: DLCI stands for Data Link Connection Identifier. It is a unique identifier used in Frame Relay networks to identify each PVC. The DLCI value is assigned by the service provider and is used to differentiate between multiple PVCs on the same physical link. The show frame-relay map command displays the local DLCI value configured on the router.

D. The status of the PVC that is configured on the router: The show frame-relay map command also displays the status of the PVC configured on the router. This includes information such as whether the PVC is active, inactive, deleted, or static. The status of the PVC is indicated by various symbols such as the letter "C" for active, "D" for deleted, "I" for inactive, and "S" for static.

A, C, and E are not statistics that appear in the show frame-relay map output.

A. The number of BECN (Backward Explicit Congestion Notification) packets that are received by the router is a statistic that can be displayed using the show frame-relay pvc command. BECN packets are used to notify the sender that the network is congested and that the sender should slow down the transmission rate.

C. The number of FECN (Forward Explicit Congestion Notification) packets that are received by the router is also a statistic that can be displayed using the show frame-relay pvc command. FECN packets are used to notify the receiver that the network is congested and that the receiver should slow down the transmission rate.

E. The IP address of the local router is not a statistic that appears in the show frame-relay map output. The show interfaces or show ip interface command can be used to display the IP address of the router's interfaces.

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