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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. In the context of SNMP - the Get command is sent by an SNMP manager - to an agent - requesting the value of a single MIB variable identified in the request. The Get request identifies the exact variable whose value the manager wants to retrieve. Intr






2. A protection against problems caused by unidirectional links between two switches. Uses messaging between switches to detect the loop - err-disabling the port when the link is unidirectional.






3. Frequency hopping spread spectrum.






4. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.






5. 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).






6. In MQC and CB Policing - a configuration style by which - for one category of packets (conform - exceed - or violate) - more than one marking action is defined for a single category. For example - marking DSCP and DE.






7. Area Border Router. An OSPF router that connects to the backbone area and to one or more non-backbone areas.






8. Area 0; the area to which all other OSPF areas much connect in order for OSPF to work.






9. The first 6 bits of the DS field - used for QoS marking.






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






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






12. 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






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






14. A T1 alarm state that occurs when a device has detected a local LOF/LOS/AIS condition. The device in Red alarm state then sends a Yellow alarm signal.






15. A type of IPv4 and IPv6 traffic designed primarily to provide one-to-many connectivity but unlike broadcast - has the capability to control the scope of traffic distribution.






16. 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.






17. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.






18. The RFC 1997 name for the reserved COMMUNITY path attribute known to Cisco IOS as LOCAL_AS. (See LOCAL_AS.)






19. With PIM on a multiaccess network - the PIM router with the highest IP address on the subnet. It is also the IGMPv1 Querier. The DR is responsible for the following tasks: - Sending PIM register and PIM join and prune messages toward the RP to infor






20. Link-State Update.






21. A 3-tuple consisting of an IP address - port number - and transport layer protocol. TCP connections exist between a pair of sockets.






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






23. The rate at which a policer limits the bits exiting or entering the policer.






24. A single address in each subnet for which packets sent to this address will be broadcast to all hosts in the subnet. It is the highest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.






25. Also called VLAN trunking - a method (using either the Cisco ISL protocol or the IEEE 802.1Q protocol) to support carrying traffic between switches for multiple VLANs that have members on more than one switch.






26. Edge LSR.






27. 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.






28. A Cisco IOS queuing tool most notable for its scheduler - which always services the high-priority queue over all other queues.






29. Jargon used by STP mostly when discussing the root election process; refers to a Hello with a lower bridge ID. Sometimes refers to a Hello with the same bridge ID as another - but with better values for the tiebreakers in the election process.






30. Label Forwarding Information Base.






31. An Internet standard authentication protocol that uses secure hashes and a three-way handshake to perform authentication over a PPP link.






32. An MPLS application that allows the MPLS network to connect to multiple different IP networks - with overlapping IP addresses - and provide IP connectivity to those multiple networks.






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






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






35. 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






36. 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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37. An MPLS data structure used for forwarding labeled packets. The LFIB lists the incoming label - which is compared to the incoming packet's label - along with forwarding instructions for the packet.






38. Another term for Port Address Translation. See PAT.






39. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.






40. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.






41. The encapsulation of EAP messages directly inside LAN frames. This encapsulation is used between the supplicant and the authenticator.






42. 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.






43. A standard (RFC 951) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address.






44. The Cisco IOS feature by which special short key sequences can be used to move the cursor inside the current command line to more easily change a command.






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






46. A set of packets in an MPLS network for which the MPLS network will apply the exact same forwarding behavior.






47. A term referring to the process of applying the Message Digest 5 (MD5) algorithm to a string - resulting in another value. The original string cannot be easily computed even when the hash is known - making this process a strong method for storing pas






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






49. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.






50. The data structure used by OSPF to hold LSAs.