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






2. A wireless LAN that only includes wireless users and no access points. 802.11 data frames in an ad hoc network travel directly between wireless users.






3. Typically used by protocols that perform flow control (like TCP) - a TCP window is the number of bytes that a sender can send before it must pause and wait for an acknowledgement of some of the yet-unacknowledged data.






4. Time-division multiplexing.






5. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.






6. When a wireless station connects to an access point - the access point assigns an association ID (AID) to the station. Various protocols - such as power-save mode - make use of the association ID.






7. A Frame Relay address used in Frame Relay headers to identify the VC






8. The range 232.0.0.0 through 232.255.255.255 that is allocated by IANA for SSM destination addresses and is reserved for use by source-specific applications and protocols.






9. A type of OSPF packet used to discover neighbors - check for parameter agreement - and monitor the health of another router.






10. 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.






11. Point-to-Point Protocol.






12. 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






13. 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.






14. Used by a policer to classify packets relative to the traffic contract. These packets are considered to be above the traffic contract in all cases.






15. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n






16. A PPP feature used to load balance multiple parallel links at Layer 2 by fragmenting frames - sending one frame over each of the links in the bundle - and reassembling them at the receiving end of the link.






17. The Cisco IOS feature by which special short key sequences can be used to move the cursor inside the current command line to more easily change a command.






18. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.






19. Dynamic Trunking Protocol.






20. Enables a wireless client to securely roam between access points in the same subnet or between subnets with access point handoff times within 50 ms.






21. Per-Hop Behavior.






22. Aka network layer reachability information.






23. Label Forwarding Information Base.






24. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.






25. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be






26. With EIGRP - the metric value for the lowest-metric route to a particular subnet.






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






28. A network/subnet over which two or more OSPF routers have become neighbors - thereby being able to forward packets from one router to another across that network.






29. The All OSPF Routers multicast IP address - listened for by all OSPF routers.






30. Password Authentication Protocol.






31. A problem that occurs when an AS does not run BGP on all routers - with synchronization disabled. The routers running BGP may believe they have working routes to reach a prefix - and forward packets to internal routers that do not run BGP and do not






32. The process of taking a PDU from some other source and placing a header in front of the original PDU - and possibly a trailer behind it.






33. EIGRP (and IGRP) allows for the use of bandwidth - load - delay - MTU - and link reliability; the K values refer to an integer constant that includes these five possible metric components. Only bandwidth and delay are used by default - to minimize re






34. Flush timer.






35. Neighbor Discovery Protocol.






36. The protocol used in IPv6 for many functions - including address autoconfiguration - duplicate address detection - router - neighbor - and prefix discovery - neighbor address resolution - and parameter discovery.






37. Time Interval.






38. Used by WRED to calculate the maximum percentage of packets discarded when the average queue depth falls between the minimum and maximum thresholds.






39. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.






40. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.






41. 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.






42. Per-VLAN Spanning Tree Plus.






43. A wireless LAN physical layer that operates at up to 11-Mbps data rates using DSSS in the 2.4-GHz band.






44. Network Layer Protocol ID is a field in the RFC 2427 header that is used as a Protocol Type field in order to identify the type of Layer 3 packet encapsulated inside a Frame Relay frame.






45. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.






46. RFC 1918-defined IPv4 network numbers that are not assigned as public IP address ranges - and are not routable on the Internet. Intended for use inside enterprise networks.






47. An SPF calculation for which a router does not need to run SPF for any LSAs inside its area - but instead runs a very simple algorithm for changes to LSAs outside its own area.






48. Service set identifier.






49. 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.






50. 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.