Test your basic knowledge |

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 characteristic of OSPF interfaces that determines whether a DR election is attempted - whether or not neighbors must be statically configured - and the default Hello and Dead timer settings.






2. A message sent by the multicast router - by default every 60 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.






3. Cisco-proprietary VLAN trunking protocol.






4. Modular QoS CLI.






5. An MPLS VPN term referring to any LSR that connects to customers to support the forwarding of unlabeled packets - as well as connecting to the MPLS network to support labeled packets - thereby making the LSR be on the edge between the provider and th






6. Per-Hop Behavior.






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






8. In BGP - either external BGP (eBGP) - confederation eBGP - or internal BGP (iBGP). The term refers to a peer connection - and whether the peers are in different ASs (eBGP) - different confederation sub-ASs (confederation eBGP) - or in the same AS (iB






9. Pulse code modulation.






10. A Cisco-proprietary protocol used to dynamically negotiate whether the devices on an Ethernet segment want to form a trunk and - if so - which type (ISL or 802.1Q).






11. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.






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






13. Auto-Rendezvous Point. Cisco-proprietary protocol that can be used to designate an RP and send RP-Announce messages that advertise its IP address and groups. Also - it can be used to designate a mapping agent that interprets what IP address RP is adv






14. The MD5-encoded password defined by the enable secret command.






15. Sent by a PIM router - by default every 30 seconds - on every interface on which PIM is configured to discover neighbors - establish adjacency - and maintain adjacency.






16. The most significant bit in the most significant byte of an Ethernet MAC address - its value implies that the address is a unicast MAC address (binary 0) or not (binary 1).






17. A queue created by Cisco IOS as a result of the configuration of a queuing tool.






18. A wireless LAN that includes the use of access points. Infrastructure mode connects wireless users to a wired network and allows wireless users to roam throughout a facility between different access points. All 802.11 data frames in an infrastructure






19. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.






20. Used by WRED to calculate the maximum percentage of packets discarded when the average queue depth falls between the minimum and maximum thresholds.






21. The single port on each nonroot switch upon which the best Hello BPDU is received.






22. Part of the Cisco IOS Firewall feature set - CBAC inspects traffic using information in the higher-layer protocols being carried to decide whether to open the firewall to specific inbound traffic. CBAC supports both UDP and TCP and multiple higher-la






23. 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.






24. An IPv6 migration strategy in which a host or router supports both IPv4 and IPv6 natively.






25. With EIGRP - a route that is not a successor route - but that meets the feasibility condition; can be used when the successor route fails - without causing loops.






26. From one multicast router's perspective - the upstream router is another router that has just forwarded a multicast packet to that router.






27. Edge LSR.






28. A BGP message that includes withdrawn routes - path attributes - and NLRI.






29. Time-division multiplexing.






30. Sequence number.






31. A calculated TCP variable - used along with the TCP CWND variable - to dictate a TCP sender's behavior when it recognizes packet loss. As CWND grows after packet loss - the TCP sender increases CWND based on Slow Start rules - until CWND grows to be






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






33. Inside telcos' original TDM hierarchy - a unit that combines multiple DS1s into a single channel






34. In shaping and policing - commonly used to refer to the shaping or policing rate. For WAN services - a common reference to the bit rate defined in the WAN service business contract for each VC.






35. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.






36. An STP timer that dictates how long a switch should wait when it ceases to hear Hellos.






37. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.






38. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.






39. The All OSPF DR Routers multicast IP address - listened for by DR and BDR routers.






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






41. A term used in this book to refer to a route that is included in a larger summary route.






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






43. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.






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






45. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.






46. Link-State Update.






47. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.






48. The multicast IP address 224.0.0.6 - listened for by DR and BDR routers.






49. A process whereby a switch - when making a forwarding decision - uses not only Layer 2 logic but other OSI layer equivalents as well.






50. A conceptual model used by shapers and policers to represent their internal logic.