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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. An address type in IPv6 networks that is used only on the local link and never beyond that scope.






2. Wired Equivalent Privacy.






3. Classless interdomain routing.






4. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.






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






6. Defined in RFC 2091 - the extensions define how RIP may send a full update once - and then send updates only when routes change - when an update is requested - or when a RIP interface changes state from down to up.






7. Distance Vector Multicast Routing Protocol.






8. 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.






9. 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.






10. A well-known discretionary BGP path attribute that flags a route as being a summary route.






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






12. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.






13. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.






14. A message sent by each host - either in response to a router query or on its own - to all multicast groups for which it would like to receive multicast traffic. The destination address on the Report is 224.0.0.22 - and a host can specify the source a






15. Policing in which two rates are metered - and packets are placed into one of three categories (conform - exceed - or violate).






16. The difference between the measured signal power and the noise power that a particular receiver sees at a given time. Higher SNRs generally indicate better performance.






17. Link-state database.






18. An MPLS term referring to any device that can forward packets that have MPLS labels.






19. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.






20. Backward Explicit Congestion Notification.






21. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.






22. A BGP feature that defines the IP TTL field value in packets sent between two eBGP peers. This feature is required when using IP addresses other than the interface IP address on the link between peers.






23. Bipolar 8 Zero Substitution. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.






24. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.






25. A vendor consortium that formerly worked to further Frame Relay common vendor standards.






26. The MPLS feature by which an ingress E-LSR copies the IP packet's IP TTL field into the MPLS header's TTL field.






27. A BGP path attribute that implies how the route was originally injected into some router's BGP table.






28. Cisco-proprietary STP feature in which a switch port monitors for STP BPDUs of any kind - err-disabling the port upon receipt of any BPDU.






29. This term has two BGP-related definitions. First - it is the normal process in which a router - before sending an Update to an eBGP peer - adds its local ASN to the beginning of the AS_PATH path attribute. Second - it is the routing policy of purpose






30. Boot Protocol. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.






31. Tag Distribution Protocol.






32. Records client authentication and roaming events - which are sent to the CiscoWorks Wireless LAN Solution Engine (WLSE) to monitor client associations to specific access points.






33. A term referring to the processes and bits in the data stream used to manage the Telco TDM hierarchy.






34. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.






35. Cisco Wireless LAN Solution Engine.






36. The second byte of the IP header - formerly known as the ToS byte and redefined by DiffServ.






37. Data Carrier Detect.






38. The algorithm used by OSPF and IS-IS to compute routes based on the LSDB.






39. Each 802.11 station passively monitors each RF channel for a specific amount of time and listens for beacons. Stations use the signal strengths of found beacons to determine the access point or ad hoc network with which to attempt association.






40. The OSPF data structure that describes topology information.






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






42. Another name for 802.1Q-in-Q. See 802.1Q-in-Q.






43. Per-Hop Behavior.






44. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.






45. Flush timer.






46. A BGP feature that overcomes the requirement of a full mesh of iBGP peers inside a single AS by separating the AS into multiple sub-autonomous systems.






47. From a Layer 1 perspective - the process of using special strings of electrical signals over a transmission medium to inform the receiver as to which bits are overhead bits - and which fit into individual subchannels.






48. Aka minimum CIR.






49. The multicast addresses assigned by IANA.






50. Version 4 of the IP protocol - which is the generally deployed version worldwide (at publication) - and uses 32-bit IP addresses.







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