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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. One of the two modes of MDRR - in which the priority queue is serviced between each servicing of the non-priority queues.






2. Neighbor Advertisement.






3. An optimized Layer 3 forwarding path through a router or switch. CEF optimizes routing table lookup by creating a special - easily searched tree structure based on the contents of the IP routing table. The forwarding information is called the Forward






4. VTP pruning.






5. Dynamic Host Configuration Protocol.






6. 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






7. 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.






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






9. The characterization of how far EIGRP Query messages flow away from the router that first notices a failed route and goes active for a particular subnet.






10. A queuing scheduler's logic by which - if a particular queue has packets in it - those packets always get serviced next.






11. A Cisco IOS interface setting - as a percentage between 1 and 99 - that defines how much of the interface's bandwidth setting may be allocated by a queuing tool. The default value is 75 percent.






12. A term referring to EIGRP's internal processing logic.






13. IP Control Protocol.






14. 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.






15. A term referring to the MQC policy-map command and its related subcommands - which are used to apply QoS actions to classes of packets.






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






17. An alternative software loaded into a Cisco router - used for low-level debugging and for password recovery.






18. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.






19. A subset of a classful IP network - as defined by a subnet mask - which used to address IP hosts on the same Layer 2 network in much the same way as a classful network is used.






20. An NTP mode in which an NTP host adjusts its clock in relation to an NTP server's clock.






21. The combination of MPLS labels and links over which a packet will be forwarded over an MPLS network - from the point of ingress to the MPLS network to the point of egress.






22. Structure of Management Information.






23. Congestion window.






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






25. Another term for summary route.






26. Distance Vector Multicast Routing Protocol.






27. A basic form of traffic shaping that is applied to an interface or subinterface. By default - it shapes all traffic leaving the interface - but can be modified by using an access control list. The access list controls only what traffic is shaped; GTS






28. The signal strength of the RF signal at the output of the radio card or access point transmitter - before being fed into the antenna. Measured in milliwatts - watts - or dBm.






29. A tunneling protocol that can be used to encapsulate many different protocol types - including IPv4 - IPv6 - IPsec - and others - to transport them across a network.






30. Common Spanning Tree.






31. Protocol Independent Multicast dense-mode routing protocol.






32. Cisco-proprietary STP feature in which an access layer switch is configured to be unlikely to become Root or to become a transit switch. Also - convergence upon the loss of the switch's Root Port takes place in a few seconds.






33. A process used in routers that are encrypting traffic to permit egress QoS actions to be taken on traffic that is being encrypted on that router. QoS pre-classification keeps a copy of each packet to be encrypted in memory long enough to take the app






34. Password Authentication Protocol.






35. 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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36. A Cisco IOS queuing tool most notable for its automatic classification of packets into separate per-flow queues.






37. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.






38. The process of forwarding packets through a router. Also call IP routing.






39. An event in which a new packet arrives - needing to be placed into a queue - and the queue is full






40. A standards-based way of helping routers find Rendezvous Points (RP). RPs notify BSRs of the groups they handle. BSRs in turn flood the group-to-RP mappings throughout the network. Each router individually determines which RP to use for a particular






41. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.






42. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.






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






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






45. 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.






46. An individual line in an ACL.






47. Multilink PPP.






48. 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






49. An EIGRP message that informs neighbors about routing information. Update messages require an Ack.






50. A term referring to the MQC service-policy command - which is used to enable a policy map on an interface.