CCIE Vocab
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CCIE Vocab
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25 Questions

1. An OSPF external route for which internal OSPF cost is added to the cost of the route as it was redistributed into OSPF.

2. In the PIM-SM design - the process by which a PIM-SM router can build the SPT between itself and the source of a multicast group and take advantage of the most efficient path available from the source to the router as long as it has one directly conn

3. Protocol data unit.

4. A time value that each wireless station must set based on the duration value found in every 802.11 frame. The time value counts down and must be equal to zero before a station is allowed to access the wireless medium. The result is a collision-avoida

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

6. Controls access to the Internet in public wireless LANs.

7. Rapid Spanning Tree Protocol.

8. A Cisco IOS queuing tool that uses MQC configuration commands - reserves a minimum bandwidth for some queues - provides high-priority scheduling for some queues - and polices those queues to prevent starvation of lower-priority queues during interfac

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

10. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.

11. Used by RRs to denote the RID of the iBGP neighbor that injected the NLRI into the AS.

12. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.

13. The process of taking the IP and TCP headers of a packet - compressing them - and then uncompressing them on the receiving router.

14. Virtual circuit.

15. With RIP - a per-route timer that increases until the router receives a routing update that confirms the route is still valid - upon which the timer is reset to 0. If the updates cease - the Invalid timer will grow - until reaching the timer setting

16. Aka network layer reachability information.

17. Digital Signal Level 0.

18. 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.

19. 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.

20. A name used for DS3 lines inside the European TDM hierarchy.

21. 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.

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

23. An 802.1d STP port state in which the port has been administratively disabled.

24. An IPv6 address type that is used by a number of hosts in a network that are providing the same service. Hosts accessing the service are routed to the nearest host in an anycast environment based on routing protocol metrics.

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