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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 Cisco-proprietary LMI protocol - implemented in Cisco WAN switches and routers - through which the switch can inform the router about parameters for each VC - including CIR - Bc - and Be.






2. Used by a policer to classify packets relative to the traffic contract. These packets are considered to be above the traffic contract in all cases.






3. A BGP router that forwards iBGP-learned routes to other iBGP routers.






4. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.






5. A definition that determines the data structure and information implied by a particular LSA.






6. The IPv6 protocol used for the discovery of which hosts are listening for which multicast IP addresses for IPv6.






7. 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






8. An alternative software loaded into a Cisco router - used for low-level debugging and for password recovery.






9. An NTP mode in which two or more NTP servers mutually synchronize their clocks.






10. A term referring to EIGRP's internal processing logic.






11. A mechanism used by TCP senders to limit the dynamic window for a TCP connection - to reduce the sending rate when packet loss occurs. The sender considers both the advertised window size and CWND - using the smaller of the two.






12. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n






13. Secure Shell protocol used for character-oriented command-line access and configuration. A highly secure alternative to Telnet.






14. RFC 1918-defined IPv4 network numbers that are not assigned as public IP address ranges - and are not routable on the Internet. Intended for use inside enterprise networks.






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






16. Ethernet process by which devices attached to the same cable negotiate their speed and the duplex settings over the cable.






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






18. A Layer 3 forwarding path through a router that does not optimize the forwarding path through the router.






19. A type of OSPF packet used to discover neighbors - check for parameter agreement - and monitor the health of another router.






20. A security standard that includes both TKIP and AES and was ratified by the Wi-Fi Alliance.






21. An attack by which the attacker initiates many TCP connections to a server - but does not complete the TCP connections - by simply not sending the third segment normally used to establish the connection. The server may consume resources and reject ne






22. Weighted round-robin.






23. Bipolar Violation.






24. 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.






25. The IP address used by hosts as the default gateway in a VRRP configuration. This address is shared by two or more VRRP routers - much as HSRP works.






26. Multicast Listener Discovery.






27. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be






28. 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).






29. An OSPF area into which external (type 5) LSAs are not introduced by its ABRs; instead - the ABRs originate and inject default routes into the area.






30. 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.






31. 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






32. An IEEE standard that - when used with EAP - provides user authentication before their connected switch port allows the device to fully use the LAN.






33. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.






34. Database Description.






35. A wireless LAN that only includes wireless users and no access points. 802.11 data frames in an ad hoc network travel directly between wireless users.






36. The speed at which the access link is clocked. This choice affects the price of the connection and many aspects of traffic shaping and policing - compression - quality of service - and other configuration options.






37. Permanent virtual circuit.






38. A protocol - defined in RFC 2865 - that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.






39. Virtual Router Redundancy Protocol.






40. In an IOS confederation configuration - the actual ASN as seen by eBGP peers.






41. Aka receiver's advertised window.






42. DCE devices are one of two devices on either end of a communications circuit - specifically the device with more control over the communications. Frame Relay switches are DCE devices. DCEs are also known as data circuit-terminating equipment (DTE).






43. Extended Superframe.






44. A Cisco IOS feature that performs deep packet inspection to classify packets based on application layer information.






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






46. Any OSPF neighbor for which the database flooding process has completed.






47. Modular QoS CLI.






48. Committed information rate.






49. 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.






50. In MPLS VPNs - a 64-bit Extended Community path attribute attached to a BGP route for the purpose of controlling into which VRFs the route is added.






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