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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 router that is allowed to receive a packet from an OSPF router and then forward the packet to another OSPF router.






2. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.






3. 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.






4. Router-Port Group Management Protocol.






5. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised to any other peer.






6. Receivers subscribe to an (S -G) channel when they request to join a multicast group. That is - they specify the unicast IP address of their multicast source and the group multicast address. SSM is typically used in very large multicast deployments s






7. 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.






8. A routing protocol feature for which the routing protocol sends routing updates immediately upon hearing about a changed route - even though it may normally only send updates on a regular update interval.






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






10. 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.






11. Sequence number.






12. Router ID.






13. Digital Signal Level 1.






14. The operating mode of shaped round-robin that provides behavior like CBWFQ with bandwidth allocated between different traffic classes by a relative amount rather than absolute percentage of the available bandwidth.






15. In MPLS VPNs - an entity in a single router that provides a means to separate routes in different VPNs. The VRF includes per-VRF instances of routing protocols - a routing table - and an associated CEF FIB.






16. 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.






17. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.






18. Port Aggregation Protocol.






19. Type of Service byte.






20. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.






21. Multiple Spanning Trees.






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






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






24. Reliable Transport Protocol.






25. Similar to an appliance firewall - in that interfaces are placed into security zones. Traffic is allowed between interfaces in the same zone. You can apply policies to filter and control traffic between zones.






26. An FRTS configuration construct - configured with the map-class frame-relay global configuration command.






27. VTP pruning.






28. A single label and link that is part of a complete LDP. See also label switched path.






29. Link-State Update.






30. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.






31. 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.






32. An IPv6 migration strategy in which a host or router supports both IPv4 and IPv6 natively.






33. Data Carrier Detect.






34. On a serial cable - the pin lead set by the DCE to imply that the DCE is ready to signal using pin leads






35. Management Information Base.






36. In Frame Relay - a link between a router and a Frame Relay switch.






37. In IPv6 - an address used in the Neighbor Discovery (ND) process. The format for these addresses is FF02::1:FF00:0000/104 - and each IPv6 host must join the corresponding group for each of its unicast and anycast addresses.






38. Generic routing encapsulation.






39. In TCP - a TCP host sets the TCP header's Window field to the number of bytes it allows the other host to send before requiring an acknowledgement. In effect - the receiving host - by stating a particular window size - grants the sending host the rig

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40. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.






41. A basic form of traffic shaping that is applied to an interface or subinterface. By default - it shapes all traffic leaving the interface - but can be modified by using an access control list. The access list controls only what traffic is shaped; GTS






42. Feasible distance.






43. Authentication - authorization - and accounting.






44. Class of Service.






45. Multilink PPP.






46. Congestion window.






47. A Cisco IOS queuing tool that uses MQC configuration commands and reserves a minimum bandwidth for each queue.






48. A Cisco IOS queuing tool most notable for its scheduler - which always services the high-priority queue over all other queues.






49. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.






50. A workstation or server configured to collect and present RMON data for reporting purposes.