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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 operating mode of shaped round-robin that provides a low-latency queue with policing.






2. Virtual Router Redundancy Protocol.






3. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should remove the attribute before advertisi






4. Controls the distribution of multicast traffic by checking the TTL values configured on the interfaces. It forwards the multicast packet only on those interfaces whose configured TTL value is less than or equal to the TTL value of the multicast packe






5. With EIGRP - a timer started when a reliable (to be acknowledged) message is transmitted. For any neighbor(s) failing to respond in its RTO - the RTP protocol causes retransmission. RTO is calculated based on SRTT.






6. In MQC and CB Policing - a configuration style by which - for one category of packets (conform - exceed - or violate) - more than one marking action is defined for a single category. For example - marking DSCP and DE.






7. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.






8. 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.






9. Cisco Group Management Protocol.






10. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - and all BGP Updates must include the attribute (mandatory).






11. A category used by a policer to classify packets relative to the traffic contract. The bit rate implied by all conforming packets is within the traffic contract.






12. Bootstrap Router.






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






14. Sequence number.






15. Defined in RFC 1293 - this protocol allows a Frame Relay-attached device to react to a received LMI "PVC up" message by announcing its Layer 3 addresses to the device on the other end of the PVC.






16. The initial 802.11 common key encryption mechanism; vulnerable to hackers.






17. Advanced Encryption Standard A superior encryption mechanism that is part of the 802.11i standard and has much stronger security than TKIP.






18. A small FIFO queue associated with each router's physical interface - for the purpose of making packets available to the interface hardware - removing the need for a CPU interrupt to start sending the next packet out the interface.






19. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.






20. A method of applying a mathematical formula - with input including a private key - the message contents - and sometimes a shared text string - with the resulting digest being included with the message. The sender and the receiver perform the same mat






21. 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






22. Customer edge.






23. Controls access to the Internet in public wireless LANs.






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






25. A Cisco IOS queuing tool that uses MQC configuration commands - reserves a minimum bandwidth for some queues - provides high-priority scheduling for some queues - and polices those queues to prevent starvation of lower-priority queues during interfac






26. Label Switch Router.






27. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.






28. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.






29. Excess Burst.






30. Uses Modular QoS CLI to control the amount and type of traffic handled by the router or switch control plane. Class maps identify traffic types - and then a service policy applied to the device control plane sets actions for each type of traffic.






31. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a router.






32. Cisco-proprietary STP feature in which switches use messaging to confirm the loss of Hello BPDUs in a switch's Root Port - to avoid having to wait for maxage to expire - resulting in faster convergence.






33. Gateway Load Balancing Protocol.






34. An 802.1d STP port state in which the port sends and receives frames.






35. Time to Live.






36. A BGP path attribute that is communicated throughout a single AS to signify which route of multiple possible routes is the best route to be taken when leaving that AS. A larger value is considered to be better.






37. 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.






38. Forward Explicit Congestion Notification.






39. Request-to-send/clear-to-send.






40. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.






41. Quantum value.






42. A Cisco-proprietary messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.






43. Maximum Response Time.






44. A Cisco IOS queuing tool most notable for its automatic classification of packets into separate per-flow queues.






45. Network Time Protocol.






46. Link-State Refresh. A timer that determines how often the originating router should reflood an LSA - even if no changes have occurred to the LSA.






47. A type of OSPF packet - used to communicate LSAs to another router.






48. Removing unwanted VLANs from a Layer 2 path.






49. Voice over Frame Relay.






50. 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






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