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Q25. Which of the following commands would be used to configure a new VPLS service that will use a default vc-id of 5 and a customer id of 4?
A. configure service vpls 4 customer 4 vc-id 5 create
B. configure service vpls 5 customer 4 create
C. configure service vpls 100 customer 4 vc-id 4 create
D. configure service vpls vc-id 5 customer4 create
Answer: A
Q26. Which of the following statements best describes an FDB used in a VPLS service?
A. A VPLS service does not use an FDB.
B. An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.
C. An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.
D. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.
E. For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.
Answer: D
Q27. 3 Epipe services and 2 VPLS services have been configured between two PE routers. How many service labels will be signaled in total?
A. 2
B. 3
C. 4
D. 5
E. 6
F. 10
Answer: F
Q28. In a Layer 2 VPN service, the FCS is stripped when a customer packet arrives at the ingress PE and regenerated on egress.
A. TRUE
B. FALSE
Answer: A
Q29. An operator wishes to verify end-to-end connectivity for an individual service. What utility will he or she most likely use?
A. sdp-ping
B. Isp-ping
C. svc-ping
D. sdp-mtu
Answer: C
Q30. Which of the following best completes the sentence: "An Internet Enhanced Service is a service where the CE communicates with a interface to send and receive traffic.
A. distributed/virtual
B. local/sub
C. routed/Layer 3
D. distributed/routed
E. Layer 2/loopback
Answer: C
Q31. hat is a key benefit of a VPLS service?
A. The customer maintains complete control over routing.
B. The adding of new sites is simplified; no re-configuration is required at existing sites.
C. The clear demarcation of functionality between service provider and customer makes
troubleshooting easier.
D. All of the above.
Answer: D
Q32. Which of the following tasks must be carried out before deleting an Epipe service? (Choose 4)
A. Shut down all SAPs associated with the service.
B. Shut down all SDPs associated with the service.
C. Delete all SAPs and SDPs associated with the service.
D. Shut down all physical ports that are bound to a SAP.
E. Delete the Customer ID.F. Shut down the service.
Answer: A,B,C,F