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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. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.






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






3. 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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4. Slow Start Threshold.






5. The common set of IOS configuration commands that is used with each QoS feature whose name begins with "Class-Based."






6. Layer 2 payload compression.






7. Multilayer Switching.






8. 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.






9. Ready To Send.






10. The SNMP specifications - standardized in RFCs - defining the rules by which SNMP MIB variables should be defined.






11. Dynamic ARP Inspection.






12. In IPv6 - the Neighbor Discovery message used by an IPv6 node to request information about a neighbor or neighbors.






13. An Internet standard serial data-link protocol - used on synchronous and asynchronous links - that provides data-link framing - link negotiation - Layer 3 interface features - and other functions.






14. A possible side effect of a scheduler that performs strict-priority scheduling of a queue - which can result in lower-priority queues getting little or no service.






15. A multicast routing protocol whose default action is to flood multicast packets throughout a network.






16. Frequency hopping spread spectrum.






17. A predefined VC. A PVC can be equated to a leased line in concept.






18. With private VLANs - a port that can send and receive frames with all other ports in the private VLAN.






19. The process of taking a PDU from some other source and placing a header in front of the original PDU - and possibly a trailer behind it.






20. 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.






21. The ASN assigned to a confederation sub-AS.






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






23. Link-state advertisement.






24. Another term for summary route.






25. The router that will receive the group traffic when a multicast router forwards group traffic to another router.






26. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.






27. The information maintained by a router for each multicast entry in its multicast routing table - such as incoming interface - outgoing interface list - Uptime timer - Expire timer - etc.






28. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.






29. 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.






30. A communication protocol between hosts and a multicast router by which routers learn of which multicast groups' packets need to be forwarded onto a LAN.






31. A configuration tool in Cisco IOS that allows basic programming logic to be applied to a set of items. Often used for decisions about what routes to redistribute - and for setting particular characteristics of those routes






32. A wireless LAN physical layer that operates at up to 54-Mbps data rates using OFDM in the 5-GHz band.






33. A feature of Ethernet NICs. When the NIC transmits an electrical signal - it "loops" the transmitted electrical current back onto the receive pair. By doing so - if another NIC transmits a frame at the same time - the NIC can detect the overlapping r






34. Data communications equipment.






35. Common Spanning Tree.






36. Prefix list.






37. 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.






38. Variable name for the time interval used by shapers and by CAR.






39. A group of devices on one or more LANs that are configured (using management software) so that they can communicate as if they were attached to the same wire - when - in fact - they are located on a number of different LAN segments. Because VLANs are






40. Type of Service byte.






41. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.






42. Excess Burst.






43. A Cisco-proprietary protocol 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.






44. 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






45. In IPv6 - a Router Advertisement message used by an IPv6 router to send information about itself to nodes and other routers connected to that router.






46. Digital Signal Level 1.






47. 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.






48. An FRF standard for LFI for VoFR (FRF.11) VCs - in which all voice frames are interleaved in front of data frames' fragments.






49. Backward Explicit Congestion Notification.






50. An E-LSR in an MPLS VPN network whose role in a particular discussion is to receive labeled packets from other LSRs and then forward the packets as unlabeled packets to CE routers.