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Tag: 350-020

CCIE Service Provider Optical written

What Frame Relay Traffic Shaping map-class sub-command should be entered on Router A to prevent workstation A

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Router A has a 512K-access port into the frame relay cloud. Router B has 128K-access port into the frame relay cloud. The two routers are connected with symmetrical PVCs that are configured for 64K committed information rate (CIR). What Frame Relay Traffic Shaping map-class sub-command should be entered on Router A to prevent workstation A from overrunning the access port on Router B?

Following diagram put the events listed below in correct chronological sequence.

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If you have a fiber cut on all four fibers between nodes C and D in the following diagram put the events listed below in correct chronological sequence.

1. node A loops back traffic in the direction of node E
2. node D initiates a line switch and signals the fact in the K2 byte
3. node C loops back traffic in the direction of node B
4. both sides switch traffic to the protect channel and the circuit is restored in less than 50 ms
5. nodes C detects the loss of signal and signals the fact in the K1 byte


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