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Ethernet Technologies

Subject : it-skills
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. What CEF optimisation technique cache FIB entries in switch line cards?






2. What is CSMA/CD?






3. What are the names of CEF optimisation techniques using specialised forwarding hardware?






4. Resets the configuration of a switch port to its default values






5. Displays entries in the Forwarding Information Base (FIB) for a specific interface






6. Enables error-disable when an STP BPDU is received from a root bridge on an unexpected port






7. Selects a switch port interface and enters interface configuration mode






8. What are the names of the two basic generations of MLS?






9. What information is recorded in CAM as frames arrive on a switch port?






10. What is the TCAM Value and Mask for an extended IP access list using TCP/UDP?






11. What is IEEE?






12. What is the DTP negotiation mode of a switch port configured as dynamic?






13. How does topology based switching work?






14. What is the role of a Switch Engine (SE) in first generation MLS?






15. What is unknown unicast flooding?






16. Displays CEF Drop statistics with number of packets and reason for each line card






17. What denotes the number of times a CEF entry has been updated since the CEF table was created?






18. Enables error-disable for errors with dynamic ARP inspection






19. What is the name of a Layer 3 physical interface on a switch?






20. What CEF adjacency is used to switch packets that can't be forwarded normally?






21. What Ethernet ports allow for autonegotiation?






22. What are the symptoms of a duplex setting mismatch between two ends of a link?






23. Enables error-disable for the presence of invalid GBIC or SFP modules






24. What is the standard for 1000BASE-T?






25. What is the prerequesite for creating a working SVI?






26. What is EMI?






27. What is WWDM?






28. What is the administrative mode of a switch port that carries transparent Layer 2 VPNs?






29. Displays administrative and operational status for a specified interface






30. What function is performed by the Feature Manager (FM)?






31. What CEF adjacency is used to discard packets because of access list or other policy action?






32. What packets are immediately sent to the CEF Layer 3 engine for further processing?

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33. Enables error-disable for Bridge Protocol Data Units (BPDU) received on ports configured for STP PortFast






34. Displays a list of all interfaces in an error-disabled state






35. Enables error-disable when the Port Aggregation Protocol (PAgP) is flapping






36. What is the default duplex mode of a 10 Mbps Ethernet interface?






37. How is link speed determined on Fast Ethernet links configured to autonegotiate?






38. Displays CEF Punt statistics with number of packets and reason for each line card






39. What is CEF?






40. Disables CEF operation globally






41. What are the basic operations that a frame undergoes as it passes through a multilayer switch?






42. What is the name of the CEF engine that maintains routing information in software?






43. What is a GigaStack GBIC?






44. Enables error-disable for errors with offering inline power






45. What is the administrative mode of a switch port that carries traffic for multiple VLANs?






46. What is a SVI?






47. What is LOU?






48. What is the content of TCAM Mask entries?

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49. Displays a list with status of all interfaces






50. What function is performed by the Switching Database Manager (SDM)?







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