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 the administrative mode of a switch port that carries traffic for multiple VLANs?






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






3. Creates a switched virtual interface (SVI) and enters interface configuration mode






4. What is half duplex operation?

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






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






7. What is 1000BASE-ZX?






8. Enables error-disable when an interface has been looped back






9. What is 100BASE-T4?






10. What is TCAM overflow?






11. What is the DTP negotiation mode of a switch port configured as trunk?






12. What tables are maintained by the CEF Layer 3 engine?






13. What happens to subsequent packets destined for FIB entries in CEF glean state?






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






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






16. What is CAM?






17. Displays administrative and operational status for a specified interface






18. Displays the contents of the CAM table






19. Displays CEF Punt statistics with number of packets and reason for each line card






20. How is the TCAM organised?






21. Disables a switch port






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






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






24. What is the standard for Gigabit Ethernet (1000 Mbps)?






25. What tables are maintained by the CEF Layer 3 forwarding engine?






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






27. Displays a list with status of all interfaces






28. What information is recorded in CAM as frames arrive on a switch port?






29. What is 100BASE-TX?






30. What is WAN PHY used for?






31. Displays dynamic CAM table entries






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

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






34. What is the standard for 1000BASE-T?






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






36. What are the types of layer 3 switched interfaces






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






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






39. When can a switch start to learn source MAC addresses on incoming ports?






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






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






42. What is the content of TCAM Mask entries?

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






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






45. What are the Gigabit Ethernet autonegotiation selection priorities?






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






47. Displays the entire Forwarding Information Base (FIB)






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






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






50. What is 100BASE-T2?