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CCIE Vocab

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. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.






2. Another term for summary route.






3. Designated router.






4. A state variable kept by a router for each known neighbor or potential neighbor.






5. The 32-bit number used to represent an OSPF router.






6. Each 802.11 station periodically sends a probe request frame on each RF channel and monitors probe response frames that all access points within range send back. Stations use the signal strength of the probe response frames to determine which access






7. An optional nontransitive BGP path attribute that lists the route reflector cluster IDs through which a route has been advertised - as part of a loop-prevention process similar to the AS_PATH attribute.






8. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.






9. Virtual Routing and Forwarding table.






10. Cisco Express Forwarding.






11. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.






12. A mechanism in which VLAN information can extend over another set of 802.1Q trunks by tunneling the original 802.1Q traffic with another 802.1Q tag. It allows a service provider to support transparent VLAN services with multiple customers - even if t






13. A strategy for subnetting a classful network for which all masks/prefixes are the same value for all subnets of that one classful network.






14. Any occurrence that could change a router's EIGRP topology table - including a received Update or Query - a failed interface - or the loss of a neighbor.






15. The command used to initialize a SPAN or RSPAN session on a Catalyst switch.






16. Inverse ARP.






17. Rapid Spanning Tree Protocol.






18. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.






19. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.






20. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.






21. Reduces the bandwidth necessary for radio management information - such as access point status messages - that is sent across the network by eliminating redundant management information.






22. A Cisco IOS configuration tool for RIP and EIGRP for which the list matches routes in routing updates - and adds a defined value to the sent or received metric for the routes. The value added to the metric is the offset.






23. Multicast addresses that are not assigned by IANA.






24. Port Aggregation Protocol.






25. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.






26. Router-Port Group Management Protocol.






27. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.






28. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.






29. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.






30. Authentication - authorization - and accounting.






31. Prefix list.






32. The condition in which a route has been in an EIGRP active state for longer than the router's Active timer.






33. CDP Control Protocol.






34. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.






35. With some routing protocols - the time period between successive Hello messages.






36. Extensible Authentication Protocol.






37. Congestion window.






38. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.






39. A T1 alarm state that occurs when a device receives a Yellow Alarm signal. This typically means that the device on the other end of the line is in a Red Alarm state.






40. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli






41. A queuing tool's logic by which it selects the next packet to dequeue from its many queues.






42. Label switched path.






43. A bit inside the Frame Relay header that - when set - implies that congestion occurred in the direction opposite (or backward) as compared with the direction of the frame.






44. A Cisco IOS configuration tool - using the ip as-path access-list command - that defines a list of statements that match the AS_PATH BGP path attribute using regular expressions.






45. A single label and link that is part of a complete LDP. See also label switched path.






46. Digital Signal Level 3.






47. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.






48. Link Access Procedure for Frame-Mode Bearer Services.






49. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.






50. A TCP variable that defines the largest number of bytes allowed in a TCP segment's Data field. The calculation does not include the TCP header. With a typical IP MTU of 1500 bytes - the resulting default MSS would be 1460. TCP hosts must support an M







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