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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. A BGP process by which a router reapplies routing policy configuration (route maps - filters - and the like) based on stored copies of sent and received BGP Updates.






2. In the context of SNMP - the Response command is sent by an SNMP agent - back to a manager - in response to any of the three types of Get requests - or in response to a Set request. It is also used by a manager in response to a received Inform comman






3. Ready To Send.






4. A Cisco switch feature that permits limiting traffic arriving at switch ports by percentage or absolute bandwidth. Separate thresholds are available per port for unicast - multicast - and broadcast traffic.






5. An OSPF router that connects to the backbone area and to one or more non-backbone area.






6. 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






7. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.






8. Weighted tail drop.






9. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.






10. Rendezvous point.






11. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - but BGP Updates can either include the attribute or not depending on whether a related feature has been configured (d






12. Committed information rate.






13. Inside telcos' original TDM hierarchy - a unit that combines multiple DS0s into a single channel






14. A mechanism used by TCP senders to limit the dynamic window for a TCP connection - to reduce the sending rate when packet loss occurs. The sender considers both the advertised window size and CWND - using the smaller of the two.






15. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.






16. The first 4 bits of the first octet must be 1110. The last 28 bits are unstructured.






17. Class Selector.






18. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.






19. As defined in RFC 3623 - graceful restart allows for uninterrupted forwarding in the event that an OSPF router's OSPF routing process must restart. The router does this by first notifying the neighbor routers that the restart is about to occur; the n






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






21. Management Information Base.






22. An 802.1d STP port state in which the port sends and receives frames.






23. The one VLAN on an 802.1Q trunk for which the endpoints do not add the 4-byte 802.1Q tag when transmitting frames in that VLAN.






24. Each 802.11 station passively monitors each RF channel for a specific amount of time and listens for beacons. Stations use the signal strengths of found beacons to determine the access point or ad hoc network with which to attempt association.






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. 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.






27. Router Advertisement.






28. Designated router.






29. Operation - Administration - and Maintenance.






30. Single-bit fields in the TCP header. For example - the TCP SYN and ACK code bits are used during connection establishment.






31. 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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32. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.






33. An MPLS LSR that can forward and receive both labeled and unlabeled packets.






34. A neighbor state that signifies the other router has reached neighbor status - having passed the parameter check.






35. A term referring to the MQC class-map command and its related subcommands - which are used for classifying packets.






36. A Cisco-proprietary feature by which multiple routers can provide interface IP address redundancy - as well as cause a set of clients to load-balance their traffic across multiple routers inside the GLBP group.






37. 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.






38. With OSPF - the timer used to determine when a neighboring router has failed - based on a router not receiving any OSPF messages - including Hellos - in this timer period.






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






40. With EIGRP - a purposefully slowly changing measurement of round-trip time between neighbors - from which the EIGRP RTO is calculated.






41. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.






42. Data-link connection identifier.






43. A designated router that is directly connected with a source of the multicast group.






44. The list of entries learned by the switch DHCP snooping feature. The entries include the MAC address used as the device's DHCP client address - the assigned IP address - the VLAN - and the switch port on which the DHCP assignment messages flowed.






45. Virtual circuit.






46. Label Distribution Protocol.






47. The common set of IOS configuration commands that is used with each QoS feature whose name begins with "Class-Based."






48. A router that should not be used to forward packets between other routers. Other routers will not send Query messages to a stub router.






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






50. An optional transitive BGP path attribute that - for a summary route - lists the BGP RID and ASN of the router that created the summary.