| Exam Code/Number: | 400-201Join the discussion |
| Exam Name: | CCIE Service Provider Written Exam |
| Certification: | Cisco |
| Question Number: | 700 |
| Publish Date: | Dec 31, 2025 |
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Which three configuration sections are required on service provider PE router to enable IPv4 layer 3 VPN? (Choose three)
Which three components are included in the Cisco IOS XR infrastructure? (Choose three.)
ISP A provides L2VPN services to Company B through an MPLS network. Company B uses all available CoS values to classify and different traffic forwarding within all Company B sites. ISP A uses the following CoS values to differentiate service classes for the VPN customer traffic
*MPLS EXP 0 for Bronze service class
*MPLS EXP 1 for Silver service class
*MPLS EXP 2 for Gold service class
*Remaining MPLS EXP values for ISP A internal use
ISP A's policy is to forward VPN customer traffic based only on their Bronze, silver and Gold service classes. Which QoS method must ISP A implement to achieve this?
Refer to the exhibit. LDP session protection is enabled between all LDP adjacencies.
Which impact occurs on the LDP session between CRS-P2 and CRS-P4 if the direct link between them goes down?
