Test your basic knowledge |

Wired And Wireless Networks

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. A cable with an optical fiber that is meant to carry a single ray of light-one ray of light - one mode. This type of cable is normally used for longer distance runs - generally 10 km and up to 80 km.






2. For organizations - using - authentication for wireless networks is recommended.






3. What is used to identify a wireless network?






4. 64-bit encryption level






5. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.






6. This is the electromagnetic (EM) field that is generated by a network cable or network device - which can be manipulated to eavesdrop on conversations or to steal data.






7. When the signal that is transmitted on one copper wire or pair of wires creates an undesired effect on another wire or pair of wires.






8. What do you call it when electrical signals jump to another set of wires?






9. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.






10. 568B = Orange - 568A = Green - BOGB = Blue






11. 128- -192- - and 256-bit






12. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.






13. 128-bit encryption level






14. You are setting up a network within a warehouse using Category 6 UTP. however - parts of the network are down because of the heavy machinery used. What cable type should you use?






15. Medium dependent interface.






16. Medium dependent interface crossover






17. Regular twisted-pair cabling






18. 568B = Brown - 568A = Brown - BOGB = Brown






19. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency






20. The older standard BOGB cable.






21. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






22. The standard BOGB cable.






23. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.






24. The most common type of patch cable - and it is the type that you would use to connect a computer to a central connecting device like a switch. The wires on each end of the cable are oriented in the same way.






25. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






26. Anything that disrupts or modifies a signal that is traveling along a wire.






27. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.






28. 568B = White/brown - 568A = White/brown - BOGB = White/brown






29. A cable with a larger fiber core - capable of carrying multiple rays of light. This type of cable is used for shorter distance runs - up to 600 meters.






30. 568B = White/green - 568A = White/orange - BOGB = White/orange






31. Provides strong authentication to devices that need to connect to the WLAN; it can also be used for regular wired LANs.






32. These cables have Teflon coating that makes them more impervious to fire.






33. Used to extend the coverage of a wireless network.






34. 568B = White/blue - 568A = White/blue - BOGB = White/green






35. Port based network access control (PNAC)






36. Allow for connectivity between a desktop computer or laptop and the wireless access pint.






37. If you are making a crossover cable and one end is 568A - what should the other end be?






38. What is the maximum speed supported by 802.11g?






39. You could also use electromagnetic shielding on devices that might be emanating an electromagnetic field. This could be done on a small scale by shielding the single device - or on a larger scale by shielding an entire room - perhaps a server room. T






40. What is the minimum category of twisted-pair cable you need to support 100 Mbps?






41. 568B = White/orange - 568A = White/green - BOGB = White/blue






42. 568B = Green - 568A = Orange - BOGB = Green






43. 568B = Blue - 568A = Blue - BOGB = Orange






44. What is the maximum speed supported by 802.11b?






45. What is the most secure encryption used in wireless networks?






46. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?






47. 100 Mbps






48. Which of the following is not a characteristic of 802.11n?






49. To test a cable - what tool would you use?






50. 10 Mbps







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