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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. Digital Signal Level 0.






2. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.






3. The process of combining multiple synchronized input signals over a single medium by giving each signal its own time slot - and then breaking out those signals.






4. 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.






5. A BGP term referring to an IP prefix and prefix length.






6. Controls the distribution of multicast traffic for the private multicast address range 239.0.0.0 to 239.255.255.255 by configuring a filter and applying it on the interfaces.






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






8. Variable-length subnet masking.






9. A calculation of the length of the AS_PATH PA - which includes 1 for each number in the AS_SEQ - 1 for an entire AS_SET segment - and possibly other considerations.






10. The notation in a Cisco IOS IP routing table that identifies the route used by that router as the default route.






11. A type of IPv4 and IPv6 traffic designed primarily to provide one-to-many connectivity but unlike broadcast - has the capability to control the scope of traffic distribution.






12. The portions of PPP focused on features that are related to specific Layer 3 protocols.






13. Protects against problems caused by unidirectional links between two switches. Watches for loss of received Hello BPDUs - in which case it transitions to a loop-inconsistent state instead of transitioning to a forwarding state.






14. Label switched path.






15. Pulse code modulation.






16. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.






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






18. The range 232.0.0.0 through 232.255.255.255 that is allocated by IANA for SSM destination addresses and is reserved for use by source-specific applications and protocols.






19. Reported distance or Route Distinguisher.






20. Records client authentication and roaming events - which are sent to the CiscoWorks Wireless LAN Solution Engine (WLSE) to monitor client associations to specific access points.






21. The second byte of the IP header - formerly known as the ToS byte and redefined by DiffServ.






22. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.






23. The process of successive neighboring routers exchanging LSAs such that all routers have an identical LSDB for each area to which they are attached.






24. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.






25. The IEEE standardized protocol for VLAN trunking.






26. Data terminal equipment.






27. Inter-Switch Link.






28. Loss of Frame.






29. Cisco IOS Embedded Event Manager - a feature that monitors events on a router and reports their results. Principally intended to increase availability - EEM provides flexible - granular detection and alerting functions.






30. Operation - Administration - and Maintenance.






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






32. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.






33. The MD5-encoded password defined by the enable secret command.






34. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.






35. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.






36. Maximum Response Time.






37. 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






38. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.






39. A BGP path attribute that is communicated throughout a single AS to signify which route of multiple possible routes is the best route to be taken when leaving that AS. A larger value is considered to be better.






40. 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






41. Differentiated Services.






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






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






44. A BGP peer connection between two routers inside the same ASN - but in different confederation sub-autonomous systems.






45. An OSPF timer that determines how long an LSA can remain in the LSDB without having heard a reflooded copy of the LSA.






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






48. Method by which a dense-mode routing protocol distributes multicast traffic from a source to all the segments of a network. Also called shortest-path tree (SPT) - because it uses the shortest routing path from the source to the segments of the networ






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






50. EIGRP jargon meaning that EIGRP has placed a route into active status.







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