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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 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






2. In IPv6 - the Neighbor Discovery message used by an IPv6 node to request information about a neighbor or neighbors.






3. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.






4. A conceptual model used by shapers and policers to represent their internal logic.






5. The portions of PPP focused on features that are related to specific Layer 3 protocols.






6. A queue created by Cisco IOS as a result of the configuration of a queuing tool.






7. The PPP function for fragmenting packets - plus interleaving delay-sensitive later-arriving packets between the fragments of the first packet.






8. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.






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






10. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check.






11. A standard (RFC 3768) feature by which multiple routers can provide interface IP address redundancy so that hosts using the shared - virtual IP address as their default gateway can still reach the rest of a network even if one or more routers fail.






12. Multicast Open Shortest Path First.






13. An 802.1d STP transitory port state in which the port does not send or receive frames - but does learn the source MAC addresses from incoming frames.






14. Another term for Port Address Translation. See PAT.






15. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.






16. AS number. A number between 1 and 64 -511 (public) and 64 -512 and 65 -535 (private) assigned to an AS for the purpose of identifying a specific BGP domain.






17. 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.






18. PIM-DM is a method of routing multicast packets that depends on a flood-and-prune approach. PIM Dense Mode gets its name from the assumption that there are many receivers of a particular multicast group - close together (from a network perspective).






19. On a serial cable - the pin lead set by the DCE to imply a working link.






20. An MPLS term referring to any device that can forward packets that have MPLS labels.






21. The range 233.0.0.0 through 233.255.255.255 that IANA has reserved (RFC 2770) on an experimental basis. It can be used by anyone who owns a registered autonomous system number to create 256 global multicast addresses.






22. Message Digest 5.






23. A protocol used for reliable multicast and unicast transmissions. Used by EIGRP.






24. Router Advertisement.






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






26. A wireless LAN physical layer that operates at up to 54-Mbps data rates using OFDM in the 5-GHz band.






27. An 802.11 frame that access points or stations in ad hoc networks send periodically so that wireless stations can discover the presence of a wireless LAN and coordinate use of certain protocols - such as power-save mode.






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






29. 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






30. The mandatory contention-based 802.11 access protocol that is also referred to as CSMA/CA.






31. Protects against problems caused by unidirectional links between two switches. Watches for loss of received Hello BPDUs - in which case it transitions to a loop-inconsistent state instead of transitioning to a forwarding state.






32. Internal BGP.






33. 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.






34. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame.






35. The signal strength of the RF signal at the output of the radio card or access point transmitter - before being fed into the antenna. Measured in milliwatts - watts - or dBm.






36. With EIGRP - for a particular route - the case in which the RD is lower than the FD.






37. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.






38. The second most significant bit in the most significant byte of an Ethernet MAC address - a value of binary 0 implies that the address is a Universally Administered Address (UAA) (also known as Burned-In Address [BIA]) - and a value of binary 1 impli






39. Structure of Management Information.






40. Prefix list.






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






42. An MPLS application that allows the MPLS network to connect to multiple different IP networks - with overlapping IP addresses - and provide IP connectivity to those multiple networks.






43. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of






44. 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.






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






46. Link-state advertisement.






47. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.






48. Clear To Send.






49. A BGP path attribute that lists the next-hop IP address used to reach an NLRI.






50. A Cisco-proprietary protocol used to dynamically negotiate whether the devices on an Ethernet segment want to form a trunk and - if so - which type (ISL or 802.1Q).