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. Describe how PIM-Sparse-Dense operates.


2. What are 2 stipulations of advertising networks BGP?


3. Explain the concept of RPF.






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






5. What does a '*' and '>' mean in the BGP table?






6. IOS command to configure a rendezvous point .






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






8. After the path selection process - What does BGP do with the route?






9. What are the 3 BGP tables and What is in them?






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






11. Name the Well-known mandatory attributes.






12. Name a significant inefficiency with IGMPv1.






13. Which IOS command shows what version of IGMP is running?






14. Explain the relationship between MBone - DVMRP - PIM - IGMP - CGMP hosts - routers and switches?


15. Describe how PIM-SM operates.






16. What is the solution to establishing neighbor relationships when multiple paths exist? What are the command to establish this? What command to tell R1 to use its loopback0 interface as the update source neighbor 192.168.1.1.






17. 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






18. Explain the AS-Path attribute.


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






20. What config would be used to configured an outbound BGP distribute list to block all routes from being advertised except ones from 192.168.0.0 /24 network to neighbors 10.1.1.1 and 10.1.1.2?






21. Name what an update message may include.






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






23. What is a BGP route reflector - What is it purpose?






24. What are some disadvantages of multicast?






25. Explain the Community attribute.


26. Explain the AS format and ranges?






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






28. What advantage does multicast offer?






29. What is the formula to determine number of links in a full mesh topology?






30. IOS command to dictate when a leaf router (in PIM-SM) will switch from shared to source tree.






31. Explain the path selection process for BGP? What is the order and what preference does it take?






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






33. What are the methods to control multicast within the layer 2 domain? What are some benefits &amp; drawbacks of each?






34. State 3 functions SDR performs?






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






36. Explain how the multicast routing table is populated.






37. Explain what role IGMP plays.






38. Explain the IGMPv3 membership process and new features.






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






40. How does Source and Shared Distribution Tree models related to PIM-DM and PIM-SM?


41. Explain the contents of the BGP update message.






42. What does a 0.0.0.0 signify in the Next Hop column in the BGP Table?






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






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


45. What are the 4 categories of BGP attributes and what do they mean?






46. What is the terminology for BGP route reflector?


47. What is a BGP peer group?


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






49. What is the multicast IP address space?






50. Name 6 multicast routing protocols.