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CCIE Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 802.1w RSTP port state in which the port is not the Root Port but is available to become the root port if the current root port goes down.






2. An optimized Layer 3 forwarding path through a router. Fast switching optimizes routing table lookup by creating a special - easily searched table of known flows between hosts.






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






4. A method of collecting traffic received on a switch port or a VLAN and sending it to specific destination ports on the same switch.






5. The innermost MPLS header in an packet traversing an MPLS VPN - with the label value identifying the forwarding details for the egress PE's VRF associated with that VPN.






6. An 802.1d STP port state in which the port does not send or receive frames - except for listening for received Hello BPDUs.






7. Weighted fair queuing.






8. Label switched path.






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






10. Prefix list.






11. A component of the IOS IP SLA feature. An IP SLA responder is a router configured to respond to a particular IP SLA message initiated by another router - allowing the routers to work together to provide performance information including UDP jitter an






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






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






14. Service set identifier.






15. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.






16. The protocol used by content engines to manage traffic flow between routers configured for WCCP and between content engines. WCCP takes advantage of the fact that many web pages (and other content) are regularly accessed by users in a given network.






17. The specific frequency subband on which the radio card or access point is operating. The RF channel is set in the access point or ad hoc stations.






18. An SPF calculation for which a router does not need to run SPF for any LSAs inside its area - but instead runs a very simple algorithm for changes to LSAs outside its own area.






19. The multicast IP address 224.0.0.5 - listened for by all OSPF routers.






20. The rate at which a shaper limits the bits exiting the shaper.






21. In the context of SNMP - the Set command is sent by an SNMP manager - to an agent - requesting that the agent set a single identified variable to the stated value. The main purpose is to allow remote configuration and remote operation - such as shutt






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






23. A Cisco router feature in which the router works to prevent SYN attacks either by monitoring TCP connections flowing through the router - or by actively terminating TCP connection until the TCP connection is established and then knitting the client-s






24. Multiple Spanning Trees.






25. Out of Frame.






26. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.






27. On a serial cable - the pin lead set by the DTE to imply that the DTE is ready to signal using pin leads.






28. 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.






29. 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.






30. A type of routing protocol convergence event in which the metric for a route increases slightly over time because of the advertisement of an invalid route.






31. An exterior routing protocol that predates BGP. It is no longer used today.






32. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.






33. A characterization of a network attack in which packets flow to the attacker - and then out to the true recipient. As a result - the user continues to send data - increasing the chance that the attacker learns more and better information.






34. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi






35. Router-Port Group Management Protocol.






36. An integer setting for EIGRP and IGRP. Any FS route whose metric is less than this variance multiplier times the successor's metric is added to the routing table - within the restrictions of the maximum-paths command.






37. A Cisco-proprietary BGP feature. The administrative weight can be assigned to each NLRI and path locally on a router - impacting the local router's choice of the best BGP routes. The value cannot be communicated to another router.






38. A contiguous group of data links that share the same OSPF area number.






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






40. Aka minimum CIR.






41. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n






42. 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






43. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.






44. A BGP router that - unknown to it - is aided by a route reflector server to cause all iBGP routers in an AS to learn all eBGP-learned prefixes.






45. Layer x PDU.






46. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.






47. A type of spread spectrum that spreads RF signals over the frequency spectrum by transmitting the signal at different frequencies according to a hopping pattern. One of the original 802.11 physical layers used FHSS to offer data rates of 1 and 2 Mbps






48. Version 4 of the IP protocol - which is the generally deployed version worldwide (at publication) - and uses 32-bit IP addresses.






49. The process of forwarding packets through a router. Also called IP forwarding.






50. Forwarding Equivalence Class.







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