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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. The portion of PPP focused on negotiating IP features






2. When subnetting a class A - B - or C address - the subnet for which all subnet bits are binary 1.






3. The process - defined by FRF.5 and FRF.8 - for combining ATM and FR technologies for an individual VC.






4. 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.






5. Alarm Indication Signal. With T1s - the practice of sending all binary 1s on the line in reaction to problems - to provide signal transitions and allow recovery of synchronization and framing.






6. A network/subnet to which only one OSPF router is connected.






7. A queuing scheduler concept - much like CQ's scheduler - in which queues are given some service in sequence. This term is often used with queuing in Cisco LAN switches.






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






9. Virtual Router Redundancy Protocol.






10. A local Cisco-proprietary BGP setting that is not advertised to any peers. A larger value is considered to be better.






11. Wired Equivalent Privacy.






12. Static length subnet masking.






13. Often used synonymously with neighbor - but with emphasis on the fact that all required parameters match - allowing routing updates to be exchanged between the routers.






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. An FRF standard for payload compression.






16. 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.






17. The low-order 4 bits of the configuration register. These bits direct a router to load either ROMMON software (boot field 0x0) - RXBOOT software (boot field 0x1) - or a full-function IOS image.






18. Cisco-proprietary STP feature in which an access layer switch is configured to be unlikely to become Root or to become a transit switch. Also - convergence upon the loss of the switch's Root Port takes place in a few seconds.






19. Router ID.






20. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.






21. 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.






22. In shaping and policing - commonly used to refer to the shaping or policing rate. For WAN services - a common reference to the bit rate defined in the WAN service business contract for each VC.






23. The content engine in a WCCP cluster - which determines how traffic will be distributed within the cluster.






24. Time to Live.






25. Area 0; the area to which all other OSPF areas much connect in order for OSPF to work.






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






27. The Frame Relay protocol used between a DCE and DTE to manage the connection. Signaling messages for SVCs - PVC Status messages - and keepalives are all LMI messages.






28. Mark probability denominator.






29. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.






30. Virtual Routing and Forwarding table.






31. A prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.






32. The list of entries learned by the switch DHCP snooping feature. The entries include the MAC address used as the device's DHCP client address - the assigned IP address - the VLAN - and the switch port on which the DHCP assignment messages flowed.






33. A message sent by a host when it wants to leave a group - addressed to the All Multicast Routers address 224.0.0.2.






34. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.






35. Spanning Tree Protocol.






36. In BGP - either external BGP (eBGP) - confederation eBGP - or internal BGP (iBGP). The term refers to a peer connection - and whether the peers are in different ASs (eBGP) - different confederation sub-ASs (confederation eBGP) - or in the same AS (iB






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






38. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.






39. A category used by a policer to classify packets relative to the traffic contract. With two-color policers - these packets are considered to be above the contract; for three-color - these packets are above the Bc setting - but within the Be setting.






40. Tag Distribution Protocol.






41. Differentiated Services.






42. A method of providing dynamically configured spoke-to-spoke VPN connectivity in a hub-and-spoke network that significantly reduces configuration required on the spoke routers compared to traditional IPsec VPN environments.






43. Ethernet MAC address that represents all devices on the LAN.






44. The RFC 1997 name for the reserved COMMUNITY path attribute known to Cisco IOS as LOCAL_AS. (See LOCAL_AS.)






45. A serial-line encoding standard that sends alternating positive and negative 3-volt signals for binary 1 - and no signal (0 V) for binary 0.






46. Sending a message from a single source or multiple sources to selected multiple destinations across a Layer 3 network in one data stream.






47. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.






48. An architecture and set of documents that defines Cisco's best recommendations for how to secure a network.






49. Data Terminal Ready.






50. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.