BGP Quiz (ENCOR, CCNP)

1. LOCAL-PREF is used to choose the exit path for an AS:

2. Which of these protocols can NOT be used within one AS?

3. What is ISP Provider Router called in terms of MPLS?

4. Which one of these AS numbers can only be used in lab practice (not on public Internet)?

5. MP-iBGP is run on which type of MPLS based ISP Routers?

6. Which of these is a valid eBGP configuration?

7. What are the two popular methods to fulfil iBGP Full Mesh Requirement?

8. Which BGP Attribute is checked first on Cisco Routers?

9. Will the iBGP neighborship be formed between R1 and R2 in this kind of network?

10. What is the range of 2-Byte AS Numbers?

11. Which route has been selected as best valid by BGP out of these two?

R2#show ip bgp
..
Network Next Hop Metric LocPrf Weight Path
* 7.7.7.7/32 24.24.24.4 0 400 700 i
*>           23.23.23.3 0 300 700 i

12. What is the default value of BGP Local Preference?

13. Which Port is used by BGP for its communication?

14. Which type of attribute must be recognized by all the BGP implementations?

15. If all BGP metrics are equal for a route then what is the final Tie breaker?

16. Which ones are valid BGP Packet Types?

17. Does eBGP require Full Mesh Topology?

18. Peering with CE (Customer Edge) Routers is done on which type of MPLS ISP Routers?

19. Which type of attribute may or may not be recognized by the BGP implementations?

20. If same destination route is learned from iBGP & eBGP then which Route will be preferred?