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 10GBASE-ER/EW?






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






3. What are the basic operations that a frame undergoes as it passes through a multilayer switch?






4. What is the operational mode of a switch port that uses DTP negotiation?






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






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






7. What is the default timer for automatic re-enabling of error-disabled ports?






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






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






10. What is the maximum cabling distance for 10GBASE-LR/LW?






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






12. What are the classes of Physical Media Dependent (PMD) interfaces defined by IEEE 802.3ae?






13. What connectors can be used with GBIC modules?






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






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






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






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






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






19. How does the IEEE 802.3ae standard differ from its predecessors at the physical layer?






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






21. Enables error-disable detection






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






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

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






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






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






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






28. What is TCAM overflow?






29. Enables error-disable for errors with offering inline power






30. How are the TCAM Mask/Value pairs evaluated?






31. Disables a switch port






32. What are the Gigabit Ethernet autonegotiation selection priorities?






33. What are the names of the two basic generations of MLS?






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






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






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






37. What CEF adjacency is used to switch packets that can't be forwarded normally?






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






39. What information is stored in TCAM?






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






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






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






43. Displays error-disabled recovery timer information






44. What is IEEE?






45. What is the TCAM Value and Mask for an ICMP access list?






46. What are the types of layer 3 switched interfaces






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






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






49. What are the Fast Ethernet autonegotiation selection priorities?






50. When do collisions occur?