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 unknown unicast flooding?






2. Removes entries from the CAM table






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






4. What is the original standard for Ethernet (10 Mbps)?






5. What is error-disable state?






6. What are the Fast Ethernet autonegotiation selection priorities?






7. What are the types of layer 3 switched interfaces






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






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






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






11. What are runts?






12. What fields are rewritten in hardware before a Layer 3 packet is switched to the to egress queue of a multilayer switch?






13. What Ethernet ports allow for autonegotiation?






14. What is 100BASE-T2?






15. What is 10GBASE-LR/LW?






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






17. How are packets marked before being sent to the CEF Layer 3 engine for further processing?






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






19. What is half duplex operation?

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20. Displays a list with status of all interfaces






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






22. What is TCAM?






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






24. What are the default error-disable detection causes?






25. Creates an interface-range macro






26. What are GigaStack GBICs used for?






27. What connectors can be used with SFP modules?






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






29. What is CEF?






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






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






32. What is Cisco's old recommendation regarding switch port speed and duplex mode?






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






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






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






36. What combinations are TCAM entries composed of?






37. What is 1000BASE-LX/LH?






38. What RJ-45 pins must be swapped in a Category 5 UTP crossover cable for Gigabit Ethernet?






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






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






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






42. Enables error-disable for errors with Layer 2 Protocol Tunnelling






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






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






45. What is 10GBASE-SR/SW?






46. What is an interface-range macro?






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






48. What information is stored in TCAM?






49. What is 1000BASE-CX?






50. Enables error-disable detection







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