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CCIE Vocab

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 BGP path attribute that implies how the route was originally injected into some router's BGP table.






2. With some routing protocols - the time period between successive Hello messages.






3. Also known as triggered updates.






4. Discard Eligible.






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






6. Forward Explicit Congestion Notification.






7. Three core security functions.






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






9. Multilayer Switching.






10. Defined in RFC 1631 - a method of translating IP addresses in headers with the goal of allowing multiple hosts to share single public IP addresses - thereby reducing IPv4 public address depletion.






11. Smoothed Round-Trip Time.






12. A communication protocol between hosts and a multicast router by which routers learn of which multicast groups' packets need to be forwarded onto a LAN.






13. The operating mode of shaped round-robin that provides a low-latency queue with policing.






14. 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.






15. A Cisco-proprietary STP implementation - created many years before IEEE 802.1s and 802.1w - that speeds convergence and allows for one STP instance for each VLAN.






16. Route Target.






17. Cisco IOS IP Service Level Agent feature. Provides for router-generated information useful for verifying network performance on a scheduled basis - and the associated reporting functions.






18. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch






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






20. External BGP.






21. Policing in which a single rate is metered - and packets are placed into one of three categories (conform - exceed - or violate).






22. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should forward the attribute unchanged (tran






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






24. A wireless LAN physical layer that operates at up to 54-Mbps data rates using OFDM in the 5-GHz band.






25. 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.






26. 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.






27. Data Set Ready.






28. Multicast Listener Discovery.






29. Voice over Frame Relay.






30. A Cisco IOS queuing tool that uses MQC configuration commands and reserves a minimum bandwidth for each queue.






31. 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.






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






33. An FRF standard for LFI for data (FRF.3) VCs.






34. An IPv6 address format used for publicly registered IPv6 addresses.






35. The two computers use a protocol with which to communicate with the same layer on another computer. The protocol defined by each layer uses a header that is transmitted between the computers to communicate what each computer wants to do.






36. An MPLS term describing designs in which one or more MPLS customer sites can be reached from multiple other VPNs.






37. A type of OSPF packet used to exchange and acknowledge LSA headers. Sometimes called DBD.






38. The most recent standardized set of generic SNMP MIB variables - defined in RFC 1213 and updated in RFCs 2011 through 2013.






39. When subnetting a class A - B - or C address - the subnet for which all subnet bits are binary 1.






40. Authentication - authorization - and accounting.






41. Label Switch Router.






42. A 3-bit field in an MPLS header used for marking frames.






43. A VC that is set up dynamically when needed. An SVC can be equated to a dial-on-demand connection in concept.






44. The process of breaking a frame into pieces - sending some of the fragments - and then sending all or part of a different packet - all of which is done to reduce the delay of the second packet.






45. 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






46. The portion of PPP focused on features that are unrelated to any specific Layer 3 protocol.






47. A Cisco-proprietary messaging protocol used to negotiate the dynamic creation of PortChannels (EtherChannels) and to choose which ports can be placed into an EtherChannel.






48. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.






49. Inter-Switch Link.






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







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