BGP Fundamentals JN0-281 Practice Questions (Page 3)

Questions 11–15

1. 11application · easy

   A network administrator is monitoring a BGP session and notices that the session has been in the Established state for several hours. The administrator wants to verify that the session is still healthy without causing any disruption. Which BGP message type should the administrator expect to see being exchanged periodically?

   • AUPDATE
   • BOPEN
   • CNOTIFICATION
   • DKEEPALIVE
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A service provider is receiving routes from two different upstream providers for the same destination prefix. The network engineer wants to prefer the route from Provider A over Provider B. Which BGP attribute should the engineer set on the routes received from Provider A to influence the local router's best-path selection?

   • AAS path
   • BLocal preference
   • CNext hop
   • DMED
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A network administrator is monitoring a BGP session and notices that the session has just transitioned from Established to Idle. The administrator checks the logs and sees that a NOTIFICATION message was received. What is the most likely reason for this transition?

   • AThe session was manually reset.
   • BA KEEPALIVE message was received.
   • CAn error condition was detected.
   • DThe hold timer expired.
   Reveal Solution Discussion Select an answer first
5. 14expert · hard

   A network engineer is configuring BGP on a router that receives routes from multiple providers. The engineer wants to prefer routes from Provider A over Provider B for outbound traffic. The engineer has set local preference to 200 for routes from Provider A and 100 for routes from Provider B. However, the router is still preferring routes from Provider B. What could be the reason for this?

   • AThe router is comparing the next hop before local preference.
   • BThe router is comparing AS path length before local preference.
   • CThe local preference is not being applied to the routes from Provider A.
   • DThe router is comparing MED before local preference.
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   What is a key characteristic of IBGP (Internal BGP) sessions?

   • AThey are established between routers in different autonomous systems
   • BThey use the AS path to prevent loops between IBGP peers
   • CThey require a full mesh of sessions or the use of route reflectors
   • DThey automatically change the next hop to the local router's address
   Reveal Solution Discussion Select an answer first