Describe BGP Operations SONIC-DEPLOY Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which BGP timer is used to detect a failed peer?

   • AKeepalive timer
   • BConnect-retry timer
   • CHold timer
   • DFlap timer
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   What is the purpose of BGP route flap damping?

   • ATo ensure all routes are advertised with the same AS_PATH
   • BTo increase the number of routes in the routing table
   • CTo suppress routes that flap (go up and down) frequently, reducing instability
   • DTo speed up BGP convergence by reducing hold timers
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   What is the purpose of a BGP UPDATE message?

   • ATo report errors
   • BTo establish a BGP session
   • CTo keep the session alive
   • DTo advertise, withdraw, or modify routes
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   What is the primary purpose of BGP route aggregation?

   • ATo increase the granularity of routing decisions
   • BTo reduce the number of routes advertised to peers
   • CTo speed up BGP convergence
   • DTo ensure all routes are advertised with the same AS_PATH
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   Which TCP port is used by BGP to establish a peering session between routers?

   • A179
   • B443
   • C161
   • D520
   Reveal Solution Discussion Select an answer first