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. Removes entries from the CAM table






2. What denotes the number of times the CEF table has been flushed and regenerated as a whole?






3. What is the standard for Fast Ethernet (100 Mbps)?






4. What is the operational mode of a switch port that uses DTP negotiation?






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






6. Displays error-disabled recovery timer information






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






8. What CEF optimisation technique cache FIB entries in switch line cards?






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






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






11. Displays entries in the Forwarding Information Base (FIB) for a specific subnet






12. What is unknown unicast flooding?






13. What is a ternary combination?

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14. What is 10GBASE-SR/SW?






15. What is ANSI?






16. What is error-disable state?






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






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






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






20. What is EMI?






21. What is 1000BASE-ZX?






22. What changes are made to packets by the CEF packet rewrite engine just before forwarding?






23. What is WWDM?






24. What is 10GBASE-LX4/LW4?






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






26. What is TCAM overflow?






27. What are the reasons for packets being punted by CEF?






28. What two IOS software components are involved in TCAM operation?






29. Sets the administrative mode of a switch port to access






30. Displays administrative and operational status for a specified interface






31. What is the TCAM Value and Mask for an IP access list?






32. When should CEF be disabled?






33. What are the 10GBASE-X PMD transceiver form factors used in Cisco Catalyst switches?






34. What are GigaStack GBICs used for?






35. What is the timer range for automatic re-enabling of error-disabled ports?






36. Enables error-disable for errors when assigning a port to a dynamic VLAN through a VMPS






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






38. What is the maximum cabling distance for 10GBASE-ER/EW?






39. What is 1000BASE-LX/LH?






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






41. What is the default timer for automatic re-enabling of error-disabled ports?






42. What is FIB?






43. What are the letters used with 10GBASE-X two-letter suffixes to specify the PHY type?






44. What is the name of physical network segment where data packets can collide with one another when being sent?






45. Displays the contents of the CAM table






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






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






48. Disables CEF operation on an interface






49. How are ports that are in error-disable state re-enabled by default?






50. What is 10GBASE-ER/EW?