300-515真題材料 &最新300-515考題

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Cisco 300-515 Exam Syllabus Topics:

SectionObjectives
Topic 1: Advanced VPN Technologies- Segment routing integration with VPNs
- Multicast VPN (MVPN)
- Inter-AS VPN architectures
Topic 2: VPN Fundamentals in Service Provider Networks- VPN models
  • 1. Layer 3 VPN basics
    • 2. Layer 2 VPN basics
      - MPLS VPN architecture
      • 1. Route distinguisher and route target usage
        • 2. VRF concepts and implementation
          Topic 3: Service Provider VPN Operations- QoS in MPLS VPN environments
          - Troubleshooting VPN connectivity
          - Performance and scalability considerations
          Topic 4: MPLS VPN Services Implementation- L2VPN services
          • 1. EVC-based services
            • 2. VPWS and VPLS concepts
              - L3VPN configuration
              • 1. PE-CE routing protocols
                • 2. MP-BGP for VPNv4 routes

                  >> 300-515真題材料 <<

                  正確的Cisco 300-515：Implementing Cisco Service Provider VPN Services真題材料 - 高效的NewDumps 最新300-515考題

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                  最新的 CCNP Service Provider 300-515 免費考試真題 (Q149-Q154):

                  問題 #149
                  With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?

                  答案：B


                  問題 #150
                  Refer to the exhibit. Which statement about this configuration is true?

                  答案：A

                  解題說明：
                  The configuration exhibit demonstrates an MPLS Multicast VPN (mVPN) profile that uses mLDP (Multicast Label Distribution Protocol) to construct the Multicast Distribution Tree (MDT) across the service provider core.
                  The command mdt default mpls mldp 192.168.1.2 specifies the creation of an mLDP-based Default MDT, where 192.168.1.2 serves as the root identifier (the Root Node) for the point-to- multipoint (P2MP) label-switched path. For mLDP to successfully build the hop-by-hop label- switched distribution tree, every Provider Edge (PE) router participating in this specific Multicast VRF (MVRF) must have full unicast routing reachability to that root address in the global routing table.


                  問題 #151
                  Refer to the exhibit.

                  An engineer has configured router 1 to provide shared services to clients behind router 2. To complete the implementation so that routes from router 1 are accepted, what must the engineer configure on router 2?

                  答案：A


                  問題 #152
                  While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make the MPLS L2VPN work?

                  答案：D

                  解題說明：
                  In AToM, when the two attachment circuits use different Layer 2 encapsulations (e.g., Ethernet on one side, Frame Relay or PPP on the other), you can't transport the native L2 frames end-to-end
                  - the headers don't match. The solution is L2VPN IP interworking: the PEs strip the local Layer 2 header at ingress and carry only the Layer 3 (IP) payload across the pseudowire, then re- encapsulate into the appropriate L2 header at the far end. Because this translation has to happen on both ends of the pseudowire, interworking ip must be configured in the pseudowire class on both PE routers terminating the ACs. Configuring it on only one side leaves the pseudowire mismatched and the session won't come up correctly.


                  問題 #153
                  While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make the MPLS L2VPN work?

                  答案：D

                  解題說明：
                  Reference:
                  https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_l2_vpns/configuration/xe-16-11/mp-l2-vpns- xe-16-11-book/l2vpn-interworking.html


                  問題 #154
                  ......

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