BGP Message Types JN0-352 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A BGP router receives an UPDATE message that contains both NLRI and withdrawn routes. What is the correct interpretation of this message?

   • AThe router should ignore the withdrawn routes and only process the NLRI
   • BThe router should send a NOTIFICATION because the message is malformed
   • CThe router should add the NLRI prefixes and remove the withdrawn prefixes
   • DThe router should ignore the NLRI and only process the withdrawn routes
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   What happens to the BGP session after a NOTIFICATION message is sent?

   • AThe session remains active but routes are re-evaluated
   • BThe session is immediately terminated
   • CThe session restarts automatically without renegotiation
   • DThe session enters a hold-down state for 30 seconds
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   How does a BGP speaker remove a previously advertised route from a peer?

   • ABy sending an empty NLRI field
   • BBy setting the hold timer to zero
   • CBy sending a NOTIFICATION message
   • DBy listing the prefix in the Withdrawn Routes field of an UPDATE message
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   Two BGP routers are establishing a session. Router A sends an OPEN message with a hold time of 120 seconds. Router B sends an OPEN message with a hold time of 60 seconds. What is the negotiated hold time for the session?

   • A60 seconds
   • B90 seconds
   • C120 seconds
   • DThe session fails to establish because the hold times differ
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   A BGP session is established, and the router receives a NOTIFICATION message with error code 4 (Hold Timer Expired). What is the most likely cause of this NOTIFICATION?

   • AThe peer received an OPEN message with an invalid AS number
   • BThe peer received an invalid UPDATE message
   • CThe peer was administratively reset
   • DThe peer did not receive any BGP messages within the hold time
   Reveal Solution Discussion Select an answer first