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






2. A conceptual model used by CB Policing when using an excess burst.






3. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.






4. 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).






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






6. In IP routing - a term referring to the process of forwarding packets through a router.






7. A DiffServ PHB that defines eight values that provide backward compatibility with IP Precedence.






8. A network/subnet over which two or more OSPF routers have become neighbors - thereby being able to forward packets from one router to another across that network.






9. Reliable Transport Protocol.






10. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.






11. Variable-length subnet masking.






12. Ready To Send.






13. The number of bytes in a queue that are removed per cycle in MDRR. Similar to byte count in the custom queuing (CQ) scheduler.






14. Digital Signal Level 0.






15. Maximum Response Time.






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






17. A technology that sends a high-speed data stream over multiple subcarriers simultaneously. It is highly immune to multipath interference. 802.11a and 802.11g specify the use of OFDM.






18. Defines a particular wireless LAN. The SSID configured in the radio card must match the SSID in the access point before the station can connect with the access point.






19. 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.






20. An 802.1w RSTP port state in which the port is not forwarding or receiving; covers 802.1d port states disabled - blocking - and listening.






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






22. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.






23. CDP Control Protocol.






24. 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.






25. Reduces the bandwidth necessary for radio management information - such as access point status messages - that is sent across the network by eliminating redundant management information.






26. 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.






27. Network Layer Protocol ID is a field in the RFC 2427 header that is used as a Protocol Type field in order to identify the type of Layer 3 packet encapsulated inside a Frame Relay frame.






28. 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






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






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






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






32. Backup designated router.






33. A message sent by a router - after receiving a Leave message from a host - to determine whether there are still any active members of the group. The router uses the group address as the destination address.






34. 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).






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






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






37. A bit in the ATM cell header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.






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






39. Neighbor Discovery Protocol.






40. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.






41. Aka minimum CIR.






42. A Cisco-proprietary protocol - used by LAN switches to communicate VLAN configuration.






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






44. 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.






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






46. VTP process that prevents the flow of broadcasts and unknown unicast Ethernet frames in a VLAN from being sent to switches that have no ports in that VLAN.






47. A set of rules by which BGP examines the details of multiple BGP routes for the same NLRI and chooses the single best BGP route to install in the local BGP table.






48. Network Address Translation-Protocol Translation.






49. Class of Service.






50. Assured Forwarding. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.







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