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 are the TCAM Mask/Value pairs evaluated?






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






3. What are the letters used with 10GBASE-X two-letter suffixes to specify the transceiver wavelengths?






4. What is the operational mode of a switch port that carries transparent Layer 2 VPNs?






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






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






7. What is the name of the CEF engine that maintains routing information in software?






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






9. What is the name of physical network segment where data packets can collide with one another when being sent?






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






11. What is 1000BASE-LX/LH?






12. What Ethernet ports allow for autonegotiation?






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






14. What is the TCAM Value and Mask for an extended IP access list using TCP/UDP?






15. What are the operational modes of a Layer 2 switched interface?






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






17. When do collisions occur?






18. What is 10GBASE-SR/SW?






19. What is LOU?






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






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






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






23. Displays the CAM table size with number of MAC addresses






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






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






26. Enables error-disable when an STP BPDU is received from a root bridge on an unexpected port






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






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






29. What information is stored in CAM?






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






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






32. What are the 100BASE-FX connectors used in Cisco Catalyst switches?






33. What is a GigaStack GBIC?






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






35. Displays dynamic CAM table entries






36. What is error-disable state?






37. What is CSMA/CD?






38. What technology was merged into the IEEE 802.3 Ethernet standard to create Gigabit Ethernet?






39. Displays entries in the Forwarding Information Base (FIB) for a specific interface






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






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






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






43. What is 1000BASE-T?






44. What information is stored in TCAM?






45. What is EMI?






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






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






48. What is 1000BASE-X?






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






50. What is 100BASE-T4?