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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. Modular QoS CLI.






2. The same thing as TCP code bits. See TCP code bits.






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






4. The specific frequency subband on which the radio card or access point is operating. The RF channel is set in the access point or ad hoc stations.






5. Defines a particular behavior for FTP regarding the establishment of data TCP connections. In active mode - the FTP client uses the FTP PORT command - over the FTP control connection - to tell the FTP server the port on which the client should be lis






6. A 16-bit number set with a router config-register command. It is used to set several low-level features related mainly to accessing the router and what the router does when powered on.






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






8. An exterior routing protocol that predates BGP. It is no longer used today.






9. The difference between the measured signal power and the noise power that a particular receiver sees at a given time. Higher SNRs generally indicate better performance.






10. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.






11. Rendezvous point.






12. Clear To Send.






13. A message sent by each host - either in response to a router query or on its own - to all multicast groups for which it would like to receive multicast traffic. The destination address on the Report is 224.0.0.22 - and a host can specify the source a






14. The feature in a Cisco IOS device by which a terminal session's previously typed commands are remembered - allowing the user to recall the old commands to the command line through a simple key sequence (for example - the up-arrow key).






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






16. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.






17. 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.






18. 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.






19. A state for a route in an EIGRP topology table that indicates that the router is actively sending Query messages for this route - attempting to validate and learn the current best route to that subnet.






20. 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






21. Loss of Frame.






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






24. Diffusing Update Algorithm.






25. Time-division multiplexing.






26. Operates in dense mode and depends on its own unicast routing protocol that is similar to RIP to perform its multicast functions.






27. Multicast Listener Discovery.






28. Authentication - authorization - and accounting.






29. Maximum transmission unit.






30. The range 239.0.0.0 through 239.255.255.255 that IANA has assigned for use in private multicast domains.






31. In BGP - a configuration construct in which multiple neighbors' parameters can be configured as a group - thereby reducing the length of the configuration. Additionally - BGP performs routing policy logic against only one set of Updates for the entir






32. Route Target.






33. Class Selector.






34. 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.






35. A term used with Cisco LAN switches - referring to a DSCP value used when making QoS decisions about a frame. This value may not be the actual DSCP value in the IP header encapsulated inside the frame.






36. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.






37. With private VLANs - a port that can send and receive frames with all other ports in the private VLAN.






38. 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.






39. A BGP router in an AS that uses route reflectors - but that is not aided by any RR server.






40. A type of OSPF packet used to exchange and acknowledge LSA headers. Sometimes called DBD.






41. A BGP neighbor state in which the BGP neighbors have stabilized and can exchange routing information using BGP Update messages.






42. A term referring to the MQC service-policy command - which is used to enable a policy map on an interface.






43. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.






44. A conceptual model used by CB Policing when using an excess burst.






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






46. A type of OSPF stub area that - unlike stub areas - can inject external routes into the NSSA area.






47. A communication protocol between hosts and a multicast router by which routers learn of which multicast groups' packets need to be forwarded onto a LAN.






48. The notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route.






49. 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.






50. The RMON function of tracking a particular variable. RMON events trigger RMON alarms.