Test your basic knowledge |

Subjects : cisco, it-skills, ccnp
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What are three different common ways to perform BGP multihoming with regard to routing table?






2. Explain the MED attribute.


3. Explain the BGP route decision process? How many routes does it select? Where do they go? Where do the ones go that are not used?






4. How does a host learn about available multicast streams?






5. Name 6 multicast routing protocols.






6. Name 4 verification commands for BGP and what they display?






7. Within the layer 3 multicast address space - name 3 reserved scopes and their purpose.






8. What does PIM use for its multicast routing calculations?






9. IOS command to configure router to be a member of an IGMP group or statically connected member.






10. What is a neighbor call in BGP?






11. Explain the IGMPv3 membership process and new features.






12. What is the terminology for BGP route reflector?


13. What is the difference between iBGP and eBGP?






14. What is the IOS command to check for IGMP group members? What info does it reveal?






15. What is the command to configure a BGP RR?<br />






16. What are some of the obstacles with IGMP and multicast in general as it relates to layer 2/switches?






17. What is the IBGP Split Horizon rule? What does this accomplish?






18. Explain the Local Preference attribute.<br />


19. What are the commands to enable multicast routing on a router?






20. What command is used to override the Next-Hop attribute of BGP? What does this do and when would you use this?


21. What special consideration is there when peering to a eBGP neighbor using a loopback? What is the solution to this?






22. What command used to perform the following:<br />A) Reset all neighbors session ('bounce')<br />B) Soft inbound reset<br />C) Soft outbound reset<br />D) Soft inbound reset of neighbor 10.1.1.1<br /><br />R1# clear ip bgp <br />R1# clear ip bgp soft






23. What is the full mesh versus partial mesh IBGP and What are the implications of each?






24. What is the layer 2 multicast address and how is it formed? What potential problem is there with this?






25. Explain the AS-Path attribute.


26. What is a BGP black hole and how is it avoided?






27. When creating a BGP neighbor relationship to a loopback interface what must be remember in the context of routing?






28. Explain what role IGMP plays.






29. What does a '*' and '&gt;' mean in the BGP table?






30. What is the key difference between how a multicast routing protocol forwards packets versus a unicast routing protocol?






31. What effect does (S -G) and (* -G) entries have on router CPU?






32. Name what an update message may include.






33. What are the two multicast distribution tree types models and differences?


34. Explain the Origin attribute.


35. What are two methods of establishing a gateway of last resort?






36. What are the basic commands to enable BGP - define a BGP peer relationship and advertise a network?






37. What is a BGP peer group?


38. What is the significance of the 8th bit in the MAC address?






39. What are the 4 BGP packet types? What do they contain?






40. What are the commands to configure a BGP peer group?






41. What advantage is there it establishing a neighbor relationship using a loopback interface?






42. Name the Well-known discretionary attributes.






43. What is one mechanism that GURANTEES the BGP AS path is loop free?






44. How is the BGP network command differ from IGP's?






45. How does RPF avoid routing loops?






46. Explain how the multicast routing table is populated.






47. What does BGP use for communication? What advantage does it offer?






48. Explain the AS format and ranges?






49. Describe how PIM-DM operates.


50. What is the BGP Synchronization requirement and What does is prevent? When should it be left disabled? When should it be enabled?