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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 method that creates three thresholds per egress queue in the Cisco 3560 switch. Traffic is divided into the three queues based on CoS value - and given different likelihoods (weight) for tail drop when congestion occurs based on which egress queue






2. A wireless LAN that offers connections to the Internet from public places - such as airports - hotels - and coffee shops.






3. The IP address to which Label Distribution Protocol (LDP) sends LDP Hellos. Also used in IP multicast to send packets to all multicast routers.






4. Jargon used to refer to the first of two buckets in the dual token bucket model; its size is Bc.






5. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n






6. Rendezvous point.






7. Database Description.






8. Type of Service byte.






9. Designated router.






10. Cell Loss Priority.






11. In Frame Relay - a link between a router and a Frame Relay switch.






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






13. Per-Hop Behavior.






14. Flush timer.






15. Loss of Frame.






16. Virtual circuit.






17. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.






18. Protocol Independent Multicast dense-mode routing protocol.






19. When multiple routers are connected to a subnet - only one should be sending IGMP queries. It is called a querier. IGMPv1 does not have any rules for electing a querier. In IGMPv2 and IGMPv3 - a router with the lowest interface IP address on the subn






20. Class Selector.






21. A switch feature that examines incoming frames - comparing the source IP and MAC addresses to the DHCP snooping binding database - filtering frames whose addresses are not listed in the database for the incoming interface.






22. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - and all BGP Updates must include the attribute (mandatory).






23. A method of providing dynamically configured spoke-to-spoke VPN connectivity in a hub-and-spoke network that significantly reduces configuration required on the spoke routers compared to traditional IPsec VPN environments.






24. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.






25. 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.






26. Not-so-stubby area.






27. A protocol used for reliable multicast and unicast transmissions. Used by EIGRP.






28. Label Switch Router.






29. Gateway Load Balancing Protocol.






30. The condition in which a route has been in an EIGRP active state for longer than the router's Active timer.






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






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






33. A process on a computing device that accepts SNMP requests - responds with SNMP-structured MIB data - and initiates unsolicited Trap messages back to an SNMP management station.






34. The process of combining multiple synchronized input signals over a single medium by giving each signal its own time slot - and then breaking out those signals.






35. The definitions for a particular set of data variables - with those definitions following the SMI specifications. See also SMI.






36. Protocol data unit.






37. Copper cable with RJ-45 connectors in which the wire at pin 1 on one end is connected to pin 1 on the other end; the wire at pin 2 is connected to pin 2 on the other end; and so on.






38. Digital Signal Level 0.






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






40. 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.






41. An early standard from AT&T for encoding analog voice as a digital signal for transmission over a TDM network. PCM requires 64 kbps - and is the basis for the DS0 speed.






42. A BGP feature that overcomes the requirement of a full mesh of iBGP peers inside a single AS by separating the AS into multiple sub-autonomous systems.






43. A serial-line encoding standard like B8ZS - but with each set of four consecutive 0s being changed to include a Bipolar Violation to maintain synchronization.






44. In wireless LANs - a mechanism that counters issues related to RF interference by dividing a larger 802.11 data frame into smaller frames that are sent independently to the destination. See also LFI.






45. Exterior Gateway Protocol.






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






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






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






49. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.






50. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.






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