Cisco
350-060 · Question #103
350-060 Question #103: Real Exam Question with Answer & Explanation
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Question
A network operations engineer of company ABC is responsible for the operations and maintenance aspects of the MPLS backbone. The MPLS backbone is built by using MPLS- capable routers that are connected with Gigabit Ethernet and POS interfaces. A complaint was received about the lack of connectivity between two sites of the end customer of the ABC company. This customer relies on the availability of the MPLS label-switched path that is provided by the backbone network of company ABC. The operations engineer quickly determined that the MPLS label entries for certain prefixes provided by LDP were missing on one of the provider edge routers that connected to the customer router. The operations engineer also determined that the LDP session of the PE router was down with some of its neighbors in the backbone. Which three of the following statements represent valid considerations for further troubleshooting? (Choose three.)
Options
- AA Layer 1 or 2 connectivity problem might be causing LDP to be unable to discover link- local peers.
- BThe MPLS label-switched path ping to the LDP router ID of the peer will be helpful to determine the
- CA ping that is using the PE's own transport address as source might help to determine if the LDP
- DInterface label space might be incorrectly configured, or the router might be unable to allocate the
- EThere could be a password mismatch between the LDP neighbors. Logging messages might uncover
- FA fault or a misconfiguration on the backbone in the downstream direction might be causing label retention
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