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






2. What is LAN PHY used for?






3. What is 1000BASE-LX/LH?






4. What is the administrative mode of a switch port that uses DTP to negotiate its operational mode?






5. Enables error-disable for rate-limiting of DHCP snooping






6. Adds a description to an interface configuration






7. Displays the contents of the CAM table






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






9. What is the maximum cabling distance for Ethernet - Fast Ethernet and Gigabit Ethernet over UTP cabling?






10. What is 100BASE-T4?






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






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






13. What connectors can be used with SFP modules?






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






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






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






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






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






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






20. What is unknown unicast flooding?






21. How do Layer 2 switches provide isolation between hosts?






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






23. What is full duplex operation?






24. Enables error-disable for errors related to 802.1x security






25. What is IEEE?






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






27. What is the content of TCAM Mask entries?

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28. What is an interface-range macro?






29. What is 10GBASE-SR/SW?






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






31. What is FIB?






32. Removes entries from the CAM table






33. What is CSMA/CD?






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






35. What is 100BASE-T2?






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






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






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






39. Enables error-disable for when the port link state is flapping between the up and down states






40. When do collisions occur?






41. What is 1000BASE-CX?






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






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

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44. Configures the maximum ageing time for entries in the MAC address table






45. What RJ-45 pins have been swapped in a Category 5 UTP crossover cable for Fast Ethernet?






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






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






48. What combinations are TCAM entries composed of?






49. What is the role of a Route Processor (RP) in first generation MLS?






50. When are mode-conditioning patch leads required with 1000BASE-LX/LH transceivers?