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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 T1 alarm state that occurs when the receiver can no longer consistently identify the frame. See LOF.






2. The encapsulation of EAP messages directly inside LAN frames. This encapsulation is used between the supplicant and the authenticator.






3. A mechanism used by TCP senders to limit the dynamic window for a TCP connection - to reduce the sending rate when packet loss occurs. The sender considers both the advertised window size and CWND - using the smaller of the two.






4. In the PIM-SM design - the process by which a PIM-SM router can build the SPT between itself and the source of a multicast group and take advantage of the most efficient path available from the source to the router as long as it has one directly conn






5. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.






6. A set of rules by which BGP examines the details of multiple BGP routes for the same NLRI and chooses the single best BGP route to install in the local BGP table.






7. Out of Frame.






8. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.






9. An 802.1w RSTP port state in which the port is an alternative Designated Port on some LAN segment.






10. A definition that determines the data structure and information implied by a particular LSA.






11. Finish time.






12. A term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.






13. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.






14. Time to Live.






15. Neighbor Solicitation.






16. The process of sending an infinite-metric route in routing updates when that route fails.






17. Ethernet process by which devices attached to the same cable negotiate their speed and the duplex settings over the cable.






18. A BGP message that includes withdrawn routes - path attributes - and NLRI.






19. With EIGRP - the route to each destination for which the metric is the lowest of all known routes to that network.






20. A term used in this book to refer to a route that is included in a larger summary route.






21. A Cisco-proprietary protocol - used by LAN switches to communicate VLAN configuration.






22. An FRTS configuration construct - configured with the map-class frame-relay global configuration command.






23. Neighbor Advertisement.






24. Data Terminal Ready.






25. Maximum Segment Size.






26. Mark probability denominator.






27. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.






28. Class Selector.






29. In the context of SNMP - the GetNext command is sent by an SNMP manager - to an agent - requesting the value of a single MIB variable. The GetNext request identifies a variable for which the manager wants the variable name and value of the next MIB l






30. When a PIM-SM router switches from RPT to SPT - it sends a PIM-SM Prune message for the source and the group with the RP bit set to its upstream router on the shared tree. RFC 2362 uses the notation PIM-SM (S - G) RP-bit Prune for this message.






31. Prefix list.






32. Reported distance or Route Distinguisher.






33. Designed to solve the problems of multicast duplication and multicast routing loops. For every multicast packet received - a multicast router examines its source IP address - consults its unicast routing table - determines which interface it would us






34. Also called VLAN trunking - a method (using either the Cisco ISL protocol or the IEEE 802.1Q protocol) to support carrying traffic between switches for multiple VLANs that have members on more than one switch.






35. Data Set Ready.






36. The IPv6 protocol used for the discovery of which hosts are listening for which multicast IP addresses for IPv6.






37. Auto-Rendezvous Point. Cisco-proprietary protocol that can be used to designate an RP and send RP-Announce messages that advertise its IP address and groups. Also - it can be used to designate a mapping agent that interprets what IP address RP is adv






38. The structure inside telcos' original digital circuit build-out in the mid-1900s - based upon using TDM to combine and disperse smaller DS levels into larger levels - and vice versa.






39. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.






40. Switched virtual circuit.






41. Wi-Fi Protected Access. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.






42. An 802.1d STP transitory port state in which the port does not send or receive frames - but does learn the source MAC addresses from incoming frames.






43. Three core security functions.






44. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on the same switch.






45. Message sent by a PIM-DM router to a downstream router when it receives a Graft message from the downstream router; sent using the unicast address of the downstream router.






46. Slow Start Threshold.






47. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check. The FIB entry details the information needed for forwarding: the next-hop router and the outgoing interface - in an optimized mtrie stru






48. A calculation of the length of the AS_PATH PA - which includes 1 for each number in the AS_SEQ - 1 for an entire AS_SET segment - and possibly other considerations.






49. Defines a particular behavior for FTP regarding the establishment of TCP data connections. In passive mode - an FTP server uses the FTP PORT command - over the FTP control connection - to tell the FTP client the port on which the server will be liste






50. Jargon referring to the minimum value to which adaptive shaping will lower the shaping rate.






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