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CCIE Vocab

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  • 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. A basic form of traffic shaping that is applied to an interface or subinterface. By default - it shapes all traffic leaving the interface - but can be modified by using an access control list. The access list controls only what traffic is shaped; GTS






2. Link-state database.






3. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.






4. Modified Deficit Round-Robin.






5. Rendezvous point.






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






7. A term generally describing characteristics about BGP paths that are advertised in BGP Updates.






8. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.






9. Provides dynamic inspection of traffic as it traverses the router. It uses Context-Based Access Control (CBAC) to look deeper into a packet than an access list can. It tracks outbound traffic and dynamically allows in responses to that traffic.






10. A calculation of the length of the AS_PATH PA - which includes 1 for each number in the AS_SEQ - 1 for an entire AS_SET segment - and possibly other considerations.






11. A BGP process by which a router reapplies routing policy configuration (route maps - filters - and the like) based on stored copies of sent and received BGP Updates.






12. Cisco Group Management Protocol.






13. A 64-bit extension to the BGP NLRI field - used by MPLS for the purpose of making MPLS VPN customer routes unique in spite of the possibility of overlapping IPv4 address spaces in different customer networks.






14. Frequency hopping spread spectrum.






15. Designed to solve the problems of multicast duplication and multicast routing loops. For every multicast packet received - a multicast router examines its source IP address - consults its unicast routing table - determines which interface it would us






16. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.






17. 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).






18. Data Terminal Ready.






19. Sending a message from a single source or multiple sources to selected multiple destinations across a Layer 3 network in one data stream.






20. The MPLS feature by which an ingress E-LSR copies the IP packet's IP TTL field into the MPLS header's TTL field.






21. Inter-Switch Link.






22. An EIGRP router's reaction to an input event - leading to the use of a feasible successor or going active on a route.






23. 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






24. Bipolar 8 Zero Substitution. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.






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






26. A standard (RFC 903) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address. See also ARP.






27. Weighted fair queuing.






28. VTP pruning.






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






30. Rapid Spanning Tree Protocol.






31. A convention for IP addresses in which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are ignored.






32. An event in which a new packet arrives - needing to be placed into a queue - and the queue is full






33. Temporal Key Integrity Protocol.






34. In shaping and policing - the definition of parameters that together imply the allowed rate and bursts.






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






36. Designated router.






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






38. Web Cache Communication Protocol.






39. 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






40. Clear To Send.






41. Database Description.






42. Aka Rapid Per-VLAN Spanning Tree Plus.






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






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






45. Exterior Gateway Protocol.






46. Defined in RFC 826 - a protocol used on LANs so that an IP host can discover the MAC address of another device that is using a particular IP address.






47. Wired Equivalent Privacy.






48. 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.






49. Used to reserve network resources for a flow as it traverses the network. A device that creates an RSVP reservation guarantees that it can provide the bandwidth - latency - or other resources that are requested by RSVP.






50. Generic routing encapsulation.







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