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. Adds a static entry to the MAC address table






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






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






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






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






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






7. What is 1000BASE-SX?






8. Disables CEF operation on an interface






9. Changes an interface to a layer 3 interface and erases all layer 2 interface configurations






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






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






12. What portion of the FIB contains the Layer 3 next-hop addresses for each entry together with the corresponding Layer 2 information?






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






14. What are the types of layer 3 switched interfaces






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






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






17. Displays static CAM table entries






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






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






20. What is 1000BASE-LX/LH?






21. What CEF adjacency is used when packets must be sent to the Layer 3 engine for further processing?






22. How is the TCAM organised?






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






24. What is a ternary combination?

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






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






27. Removes entries from the CAM table






28. Specifies the timer for automatic re-enabling of error-disabled ports






29. What is 10GBASE-SR/SW?






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






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






32. Selects an interface-range macro and enters interface configuration mode






33. Displays switch port information for a specified interface






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






35. What Ethernet ports allow for autonegotiation?






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






37. Displays interface configuration information






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






39. What combinations are TCAM entries composed of?






40. What is 10GBASE-ER/EW?






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






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






43. What is the TCAM Value and Mask for an Ethernet access list?






44. What is the name of the switching technology where good frames are received - stored for inspection and then forwarded?






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






46. What are the common cabling specifications for Gigabit Ethernet?






47. What is 1000BASE-X?






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






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






50. What are the 1000BASE-X transceiver module form factors used in Cisco Catalyst switches?