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CCIE Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. On a multiaccess network - when a PIM-DM or PIM-SM router receives a Prune message - it starts a 3-second timer. If it receives a Join message on the multiaccess network from another router before the timer expires - it considers the message as an ov






2. A multicast routing protocol that forwards the multicast traffic only when requested by a downstream router.






3. Variable-length subnet masking.






4. The Cisco IOS Router IP Traffic Export feature - intended for intrusion detection - exports IP traffic that has signs of an attack - such as duplicate IP packets simultaneously received on two or more of a router's interfaces.






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






6. Extensible Authentication Protocol.






7. Link-state database.






8. A method of obtaining an IPv6 address that uses DHCPv6. See also stateless autoconfiguration.






9. Network Address Translation-Protocol Translation.






10. The RMON function of sending a notification to an RMON collector or the console. Triggered by an RMON event.






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






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






13. Protocol Independent Multicast sparse-mode routing protocol.






14. Aka Rapid Per-VLAN Spanning Tree Plus.






15. Context-Based Access Control.






16. Data communications equipment.






17. A type of logic for how a router uses a default route. A convention for discussing and thinking about IP addresses by which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are considered.






18. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.






19. A routing protocol feature by which the routing update includes the entire set of routes - even if some or all of the routes are unchanged.






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






21. Common Spanning Tree.






22. A type of OSPF packet used to acknowledge LSU packets.






23. VLAN Trunking Protocol.






24. Defines a particular wireless LAN. The SSID configured in the radio card must match the SSID in the access point before the station can connect with the access point.






25. Class Selector.






26. A type of IPv4 and IPv6 traffic designed primarily to provide one-to-many connectivity but unlike broadcast - has the capability to control the scope of traffic distribution.






27. A 3-bit field in an 802.1Q header used for marking frames.






28. Modified Deficit Round-Robin.






29. Loss of Frame.






30. A single address in each subnet for which packets sent to this address will be broadcast to all hosts in the subnet. It is the highest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.






31. 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.






32. Finish time.






33. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi






34. Aka minimum CIR.






35. Spanning Tree Protocol.






36. A Cisco IOS configuration tool - using the ip as-path access-list command - that defines a list of statements that match the AS_PATH BGP path attribute using regular expressions.






37. Digital subscriber line - a common Internet service type for residential and business customers.






38. Web Cache Communication Protocol.






39. 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.






40. 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.






41. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.






42. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.






43. Internet Group Management Protocol.






44. Mark probability denominator.






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






46. A switch feature in which the switch examines DHCP messages and - for untrusted ports - filters all messages typically sent by servers and inappropriate messages sent by clients. It also builds a DHCP snooping binding table that is used by DAI and IP






47. 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.






48. A Cisco switch feature that permits limiting traffic arriving at switch ports by percentage or absolute bandwidth. Separate thresholds are available per port for unicast - multicast - and broadcast traffic.






49. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised outside the local confederation sub-AS.






50. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.







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