Test your basic knowledge |

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 are the operational modes of a Layer 2 switched interface?






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






3. What type of packets can not be forwarded by CEF but are instead sent to the switch CPU for process switching in software?






4. What is the maximum cabling distance for 10GBASE-CX4?






5. What are the common PMD types for 10 Gigabit Ethernet?






6. What is the maximum cabling distance for 1000BASE-LX/LH?






7. What is EMI?






8. What are the duplex modes of a GigaStack GBIC?






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






10. When do collisions occur?






11. Displays a list with status of all interfaces






12. What is 1000BASE-ZX?






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






14. What is ANSI?






15. Enables error-disable when a link is seen to be unidirectional






16. How are the TCAM Mask/Value pairs evaluated?






17. Adds a static entry to the MAC address table






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






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






20. What are the basic operations that a frame undergoes as it passes through a Layer 2 switch?






21. Disables a switch port






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






23. Sets the speed of a Fast Ethernet or Gigabit Ethernet interface






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






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






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






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






28. Configures a switch port with a static access VLAN assignment






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






30. What is TCAM overflow?






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






32. What is 100BASE-FX?






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






34. What is the maximum cabling distance for 1000BASE-SX?






35. What is the name of a Layer 3 logical interface on a switch that represents an entire VLAN?






36. What is half duplex operation?

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






38. Enables automatic re-enabling of error-disabled ports






39. What is the default duplex mode of a Fast Ethernet interface?






40. What is the maximum cabling distance for 10GBASE-LX4/LW4?






41. What is CAM?






42. What is 10GBASE-SR/SW?






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






44. What is CSMA/CD?






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






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






47. What mechanism does the TCAM provide for Layer 4 comparisons involving gt - lt - neq or range operators?






48. What is the default age-out time for stale entries in the CAM table?






49. Removes entries from the CAM table






50. What is 10GBASE-LR/LW?