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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 prestandard (at the time of publication) wireless LAN physical layer that offers data rates in the hundreds of megabits per second.






2. A component that interfaces with a phone using IP and provides connections to the Public Switched Telephone Network (PSTN).






3. Source-specific multicast.






4. The IEEE standardized protocol for VLAN trunking.






5. Sent by a PIM-DM or PIM-SM router when it receives a multicast packet for a group on a LAN interface that is in the outgoing interface list for the group; includes the administrative distance of the unicast routing protocol used to learn the network






6. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.






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






8. Context-Based Access Control.






9. A mechanism in which VLAN information can extend over another set of 802.1Q trunks by tunneling the original 802.1Q traffic with another 802.1Q tag. It allows a service provider to support transparent VLAN services with multiple customers - even if t






10. Link-State Acknowledgment.






11. A term referring generically to ways in which a router or switch can determine whether a particular device or user should be allowed access.






12. In IPv6 - the Neighbor Discovery message used by an IPv6 node to send information about itself to its neighbors.






13. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.






14. The password required by the enable command. Also - this term may specifically refer to the password defined by the enable password command.






15. A 3-bit field in an ISL header used for marking frames. Also - used generically to refer to either the ISL CoS field or the 802.1Q User Priority field.






16. An 802.1d STP port state in which the port does not send or receive frames - except for listening for received Hello BPDUs.






17. An optimized Layer 3 forwarding path through a router. Fast switching optimizes routing table lookup by creating a special - easily searched table of known flows between hosts.






18. Exterior Gateway Protocol.






19. Jargon referring to the minimum value to which adaptive shaping will lower the shaping rate.






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






21. 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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22. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check. The FIB entry details the information needed for forwarding: the next-hop router and the outgoing interface - in an optimized mtrie stru






23. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.






24. Type of Service byte.






25. A Cisco IOS configuration tool that can be used to match routing updates based on a base network address - a prefix - and a range of possible masks used inside the values defined by the base network address and prefix.






26. A tunneling protocol that can be used to encapsulate many different protocol types - including IPv4 - IPv6 - IPsec - and others - to transport them across a network.






27. Clear To Send.






28. Link Access Procedure for Frame-Mode Bearer Services.






29. 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.






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






31. A single instance of STP that is applied to multiple VLANs - typically when using the 802.1Q trunking standard.






32. Generic routing encapsulation.






33. 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.






34. Authentication - authorization - and accounting.






35. 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.






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






37. 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.






38. The process of taking routes known through one routing protocol and advertising those routes with another routing protocol.






39. Data Carrier Detect.






40. A vendor consortium that formerly worked to further Frame Relay common vendor standards.






41. Boot Protocol. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.






42. Another term for summary route.






43. A type of OSPF packet - used to communicate LSAs to another router.






44. 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.






45. 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.






46. 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 forward the attribute unchanged (tran






47. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.






48. Point-to-Point Protocol over Ethernet. A convention often used as the data link protocol over Cable in which Ethernet is used as the data link protocol - but with PPP being encapsulated inside Ethernet. The combination gives the data link features of






49. A process on a computing device that issues requests for SNMP MIB variables from SNMP agents - receives and processes the MIB data - and accepts unsolicited Trap messages from SNMP agents.






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