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Ethernet Technologies

Subject : it-skills
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. What is unknown unicast flooding?






2. What Ethernet ports allow for autonegotiation?






3. What is the TCAM Value and Mask for an IGMP access list?






4. What is 100BASE-FX?






5. What are the reasons for packets being dropped by CEF?






6. What is the maximum cabling distance for 10GBASE-SR/SW?






7. Sets the duplex mode of an Ethernet or Fast Ethernet interface






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






9. What tables are maintained by the CEF Layer 3 forwarding engine?






10. What are the administrative modes of Layer 2 switched interfaces?






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 maximum cabling distance for 1000BASE-LX/LH?






15. Changes an interface to a layer 3 interface and erases all layer 2 interface configurations






16. What is the state of packets that are sent to the CEF Layer 3 engine because of missing Layer 2 next-hop addresses?






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






18. Displays dynamic CAM table entries






19. What is the DTP negotiation mode of a switch port configured as static access?






20. What are the supported duplex mode settings for Gigabit Ethernet on Cisco switches?






21. What is the name of the CEF engine that forwards packets in hardware?






22. Displays the CAM table size with number of MAC addresses






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






24. What is 1000BASE-CX?






25. What are the letters used with 10GBASE-X two-letter suffixes to specify the transceiver wavelengths?






26. When can a switch start to learn source MAC addresses on incoming ports?






27. What is FIB?






28. Enables error-disable for conditions that trigger unicast flood blocking on a port






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






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






31. What is a GigaStack GBIC?






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






33. Enables error-disable for conditions that trigger port security configured on a port






34. What is full duplex operation?






35. What tables are maintained by the CEF Layer 3 engine?






36. What is LOU?






37. When do collisions occur?






38. What is 1000BASE-LX/LH?






39. What is the maximum cabling distance for Fast Ethernet over singlemode fibre?






40. What is the default duplex mode of a Gigabit Ethernet interface?






41. What are the Gigabit Ethernet autonegotiation selection priorities?






42. Displays the contents of the CAM table






43. Displays a list with status of all interfaces






44. What is the maximum cabling distance for 10GBASE-LR/LW?






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






46. How are MAC addresses shown in the detailed output from the CEF adjacency table?






47. What is 100BASE-T4?






48. How is link duplex mode determined on Fast Ethernet links configured to autonegotiate?






49. What is the administrative mode of a switch port that is a member of one VLAN?






50. What is 1000BASE-T?







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