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. How does topology based switching work?






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






3. Enables error-disable when a storm control threshold has been exceeded on a port






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






5. What CEF optimisation technique cache FIB entries in switch line cards?






6. What is CEF?






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






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






9. What is a GigaStack GBIC?






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






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






12. What is 100BASE-TX?






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






14. What CEF adjacency is used to discard packets because of access list or other policy action?






15. What is the operational mode of a switch port that is a member of one VLAN?






16. What are the symptoms of a duplex setting mismatch between two ends of a link?






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






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






19. What is FIB?






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






21. What Ethernet ports allow for autonegotiation?






22. What is 10BASE-T?






23. What information is stored in TCAM?






24. What is TCAM overflow?






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






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






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






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






29. Enables error-disable when the Port Aggregation Protocol (PAgP) is flapping






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






31. What is a ternary combination?

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32. What is an interface-range macro?






33. What happens when autonegotiating of link duplex mode fails on a Fast Ethernet link?






34. Displays the contents of the CAM table






35. What is 1000BASE-X?






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






37. What is the DTP negotiation mode of a switch port configured as static access?






38. What is WWDM?






39. What are the common cabling specifications for Fast Ethernet?






40. What are the names of CEF optimisation techniques using specialised forwarding hardware?






41. What is 10GBASE-LX4/LW4?






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






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






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






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






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






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






48. What is the standard for 10 Gigabit Ethernet (10GbE)?






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






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