Advanced BGP Options JN0-650 Practice Questions (Page 8)

Questions 36–40

1. 36application · medium

   You have a BGP route that is being advertised to an iBGP peer. The next-hop attribute is set to the loopback address of the advertising router. The iBGP peer is not able to reach the next-hop address because it is not in the routing table. What should you do to fix this?

   • AConfigure the next-hop-self option on the iBGP neighbor.
   • BUse BGP route aggregation to summarize the next-hop.
   • CSet a lower MED on the route.
   • DIncrease the local preference of the route.
   Reveal Solution Discussion Select an answer first
2. 37application · medium

   You are receiving routes from a customer that include a large number of prefixes you do not need. You want to filter these routes based on the prefix values before they are installed in the routing table. Which method should you use?

   • AConfigure BGP route aggregation to summarize the routes.
   • BSet a higher local preference on the unwanted routes.
   • CApply a prefix list in an import policy on the customer-facing neighbor.
   • DUse BGP communities to tag the unwanted routes and then filter them.
   Reveal Solution Discussion Select an answer first
4. 38foundation · easy

   In BGP best path selection, when is MED compared?

   • AAfter origin code
   • BBefore weight
   • CAfter AS path length
   • DBefore local preference
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5. 39foundation · easy

   What is the primary purpose of BGP route damping?

   • ATo increase the AS path length of routes
   • BTo enable load balancing across multiple BGP paths
   • CTo reduce the number of iBGP sessions required
   • DTo suppress unstable routes and reduce route flapping
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6. 40application · medium

   You have two upstream providers and want to influence inbound traffic to prefer the link to Provider A. You have already set a lower MED on the routes advertised to Provider A. The traffic is still balanced. What additional configuration can you apply on the routes advertised to Provider B to make Provider A more preferred?

   • ASet a higher MED on the routes advertised to Provider A.
   • BUse BGP weight to prefer routes from Provider A.
   • CSet a lower local preference on the routes received from Provider A.
   • DPrepend your AS number multiple times on the routes advertised to Provider B.
   Reveal Solution Discussion Select an answer first