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 is a ternary combination?

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






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






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






5. What is half duplex operation?

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






7. What is 10GBASE-ER/EW?






8. Selects multiple switch port interfaces at the same time and enters interface configuration mode






9. What is 10GBASE-CX4?






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






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






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






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






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






15. What is CEF?






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






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






18. Enables error-disable when trunking encapsulation is flapping from one type to another






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






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






21. How is the TCAM organised?






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






23. Disables a switch port






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






25. What Ethernet ports allow for autonegotiation?






26. What is the content of TCAM Mask entries?

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






28. Disables CEF operation on an interface






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






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






31. What is the maximum cabling distance for Fast Ethernet over 62.5/125 micron multimode fibre?






32. What are the types of layer 3 switched interfaces






33. What are the Fast Ethernet autonegotiation selection priorities?






34. What is the TCAM Value and Mask for an IPX access list?






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






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






37. What is 10GBASE-X?






38. When do collisions occur?






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






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






41. Where is source and destination addresses and other relevant protocol information for access lists stored in the TCAM table?






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






43. What CEF optimisation replicates the entire FIB table among switch line cards?






44. What is an interface-range macro?






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






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






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






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






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






50. What CEF adjacency is used to switch packets destined for the null interface?