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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 term used in this book to refer to a route that is included in a larger summary route.






2. Sent by a PIM router to its upstream router to either request that the upstream router forward the group traffic or stop forwarding the group traffic that is currently being forwarded. If a PIM router wants to start receiving the group traffic - it l






3. 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.






4. Switched virtual circuit.






5. Virtual LAN.






6. Allows the router to act as an inline IPS - doing deep packet inspection.






7. 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.






8. 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






9. 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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10. A TCP variable used as the basis for a TCP sender's timer defining how long it should wait for a missing acknowledgement before resending the data.






11. 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.






12. A characteristic of OSPF interfaces that determines whether a DR election is attempted - whether or not neighbors must be statically configured - and the default Hello and Dead timer settings.






13. 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.






14. 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.






15. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.






16. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.






17. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.






18. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.






19. Voice over Frame Relay.






20. Quantum value.






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






22. The process of taking the IP - UDP - and RTP headers of a voice or video packet - compressing them - and then uncompressing them on the receiving router.






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






24. A configuration tool in Cisco IOS that allows basic programming logic to be applied to a set of items. Often used for decisions about what routes to redistribute - and for setting particular characteristics of those routes






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






26. A wireless LAN that offers connections to the Internet from public places - such as airports - hotels - and coffee shops.






27. With shaping - the number of bits allowed to be sent every Tc. Also defines the size of the token bucket when Be = 0.






28. An FRF standard for Frame Relay-to-ATM Service Interworking in which both DTEs use Frame Relay - with ATM in between.






29. 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).






30. Retransmission Timeout.






31. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.






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






33. An EIGRP message that is used by a router to notify its neighbors when the router is gracefully shutting down.






34. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.






35. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.






36. Access Control Entry. An individual line in an ACL.






37. Time Interval.






38. A Cisco-proprietary protocol that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.






39. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on a switch other than the one on which it was received.






40. 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.






41. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.






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






43. Forward Explicit Congestion Notification.






44. A Frame Relay traffic shaping feature during which the shaping rate is reduced when the shaper notices congestion through the receipt of BECN or ForeSight messages.






45. A T1 alarm state that occurs when a device receives a Yellow Alarm signal. This typically means that the device on the other end of the line is in a Red Alarm state.






46. A wireless LAN physical layer that is backward compatible with 802.11b and operates at up to 54-Mbps data rates using OFDM in the 2.4-GHz band.






47. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch






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






49. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.






50. Policing in which two rates are metered - and packets are placed into one of three categories (conform - exceed - or violate).







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