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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. Link-State Acknowledgment.






2. A process on a computing device that accepts SNMP requests - responds with SNMP-structured MIB data - and initiates unsolicited Trap messages back to an SNMP management station.






3. Reliable Transport Protocol.






4. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.






5. Jargon used to refer to the second of two buckets in the dual token bucket model; its size is Be.






6. A component that interfaces with a phone using IP and provides connections to the Public Switched Telephone Network (PSTN).






7. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.






8. Defines a particular wireless LAN. The SSID configured in the radio card must match the SSID in the access point before the station can connect with the access point.






9. Permanent virtual circuit.






10. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.






11. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.






12. Data Carrier Detect.






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






14. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.






15. With EIGRP - a router sharing the same primary subnet - with which Hellos are exchanged - parameters match - and with which routes can be exchanged.






16. Distance Vector Multicast Routing Protocol.






17. An Internet standard authentication protocol that uses clear-text passwords and a two-way handshake to perform authentication over a PPP link.






18. An MPLS VPN term referring to the more efficient choice of popping the outer label at the second-to-last (penultimate) LSR - which then prevents the egress PE from having to perform two LFIB lookups to forward the packet.






19. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.






20. With RIP - a per-route timer - which is reset and grows with the Invalid timer. When the Flush timer mark is reached (default 240 seconds) - the router removes the route from the routing table - and now accepts any other routes about the failed subne






21. Area Border Router. An OSPF router that connects to the backbone area and to one or more non-backbone areas.






22. Customer edge.






23. The process of combining multiple synchronized input signals over a single medium by giving each signal its own time slot - and then breaking out those signals.






24. Version 6 of the IP protocol - which uses 128-bit IP addresses.






25. The OSPF data structure that describes topology information.






26. Neighbor Solicitation.






27. Link Fragmentation and Interleaving.






28. A designated router that is directly connected with a source of the multicast group.






29. A name used for DS1 lines inside the North American TDM hierarchy.






30. A Cisco-proprietary LMI protocol - implemented in Cisco WAN switches and routers - through which the switch can inform the router about parameters for each VC - including CIR - Bc - and Be.






31. A term used with WFQ for the number assigned to a packet as it is enqueued into a WFQ queue. WFQ schedules the currently lowest FT packet next.






32. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.






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






34. An MQC configuration style by which one policy map calls a second policy map. For example - a shaping policy map can call an LLQ policy map to implement LLQ for packets shaped by CB Shaping.






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






36. 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






37. A Cisco-proprietary protocol that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.






38. Secure Shell protocol used for character-oriented command-line access and configuration. A highly secure alternative to Telnet.






39. Common Spanning Tree.






40. On a multiaccess network - when a PIM-DM or PIM-SM router receives a Prune message - it starts a 3-second timer. If it receives a Join message on the multiaccess network from another router before the timer expires - it considers the message as an ov






41. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.






42. 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.






43. An MPLS term referring to the first of several labels when an MPLS-forwarded packet has multiple labels (a label stack).






44. A DiffServ PHB that defines eight values that provide backward compatibility with IP Precedence.






45. Router-Port Group Management Protocol.






46. A DiffServ PHB - based on DSCP EF (decimal 46) - that provides low-latency queuing behavior as well as policing protection to prevent EF traffic from starving queues for other types of traffic.






47. Virtual Router Redundancy Protocol.






48. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks






49. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi






50. A BGP router in an AS that uses route reflectors - but that is not aided by any RR server.






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