Segment Routing with MPLS JN0-364 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   How does TI-LFA use segment routing to provide fast reroute?

   • ABy using a pre-computed backup path that is always the shortest path
   • BBy using a static route to the destination
   • CBy using BGP fast reroute
   • DBy using a segment list to steer traffic around the failure
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   What is the purpose of the push operation in SR-MPLS?

   • ATo add one or more labels to the top of the stack
   • BTo remove the top label from the stack
   • CTo replace the top label with a new label
   • DTo forward the packet based on the IP header
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A network operator is enabling segment routing in an OSPF-based network. The routers are running OSPFv2. The engineer needs to ensure that OSPF advertises segment routing capabilities and prefix SIDs. Which OSPF LSA type is used to advertise the router's SR capabilities and SIDs?

   • ARouter LSA (Type 1)
   • BOpaque LSA (Type 9, 10, or 11)
   • CNetwork LSA (Type 2)
   • DSummary LSA (Type 3)
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   Which command would you use to verify that segment routing is enabled on a Juniper device?

   • Ashow mpls segment-routing
   • Bshow route protocol mpls
   • Cshow configuration protocols mpls
   • Dshow mpls lsp
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   An engineer is troubleshooting a TI-LFA issue. The backup path is not being installed for a specific prefix. The engineer has verified that SR is enabled and the SRGB is consistent. What is the most likely cause?

   • AThe SRGB is too small
   • BThe prefix is not in the IGP
   • CThe backup path requires a node SID that is not available
   • DThe router does not support TI-LFA
   Reveal Solution Discussion Select an answer first