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






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






3. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.






4. 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.






5. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.






6. A commonly used name for Multi-VRF CE.






7. Forwarding Information Base.






8. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.






9. A Cisco IOS interface software queue queuing strategy implemented automatically when using either form of Frame Relay fragmentation. The system then interleaves packets from the high-priority queue between fragments of the medium-priority queue.






10. Loss of Frame.






11. IP routing The simplest MPLS application - involving the advertisement of an IGP to learn IP routes - and LDP or TDP to advertise labels.






12. Data Terminal Ready.






13. Not-so-stubby area.






14. A 3-bit field in the first 3 bits of the ToS byte in the IP header - used for QoS marking.






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






16. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Slow Start grows CWND at an exponential rate.






17. A router feature used when a router sees an ARP request searching for an IP host's MAC - when the router believes the IP host could not be on that LAN because the host is in another subnet. If the router has a route to reach the subnet where the ARP-






18. Alternate Mark Inversion. 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.






19. With EIGRP - a purposefully slowly changing measurement of round-trip time between neighbors - from which the EIGRP RTO is calculated.






20. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.






21. 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.






22. 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.






23. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.






24. Prefix list.






25. Router Advertisement.






26. Software-based collection and reporting tool for data reported by NetFlow.






27. 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.






28. Per-VLAN Spanning Tree Plus.






29. A Layer 3 forwarding path through a router that does not optimize the forwarding path through the router.






30. A convention for IP addresses in which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are ignored.






31. An IPv6 address format used for publicly registered IPv6 addresses.






32. With EIGRP - the metric (distance) of a route as reported by a neighboring router.






33. In IP routing - a term referring to the process of forwarding packets through a router.






34. Distance Vector Multicast Routing Protocol.






35. Temporal Key Integrity Protocol.






36. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel






37. 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.






38. 16 bits between the interface ID and global routing prefix in an IPv6 global address - used for subnet assignment inside an enterprise.






39. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.






40. With OSPF - the OSPF router that wins an election amongst all current neighbors. The DR is responsible for flooding on the subnet - and for creating and flooding the type 2 LSA for the subnet.






41. The process by which neighboring OSPF routers examine their Hello messages and elect the DR. The decision is based on priority (highest) - or RID (highest) if priority is a tie.






42. Three core security functions.






43. With some routing protocols - the time period between successive Hello messages.






44. One-time password.






45. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets outside the enterprise network.






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






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






48. Link Control Protocol.






49. Cisco IOS Embedded Event Manager - a feature that monitors events on a router and reports their results. Principally intended to increase availability - EEM provides flexible - granular detection and alerting functions.






50. With PIM on a multiaccess network - the PIM router with the highest IP address on the subnet. It is also the IGMPv1 Querier. The DR is responsible for the following tasks: - Sending PIM register and PIM join and prune messages toward the RP to infor







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