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






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






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






4. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km






5. 128- -192- - and 256-bit






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






7. Medium dependent interface.






8. Blue - orange - green and brown.






9. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.






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






11. Telecommunications Industry Association/Electronics Industries Alliance






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






13. 128-bit encryption level






14. What type of cable should be used as part of a fire code for a building?






15. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






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






17. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






19. The older standard BOGB cable.






20. 568B = Green - 568A = Orange - BOGB = Green






21. Instead of using crossover cables to connect computers to central connecting devices such as switches - these central connecting devices are equipped with _______ ports - which take care of the cross.






22. 256-bit encryption level






23. This is interference that can come from AM/FM transmissions and cell phone towers.






24. Occurs when wireless clients connect to and are authenticated by a wireless access point - which can be expanded by creating a wireless distribution system-a group of WAPs interconnected wirelessly.






25. 568B = White/brown - 568A = White/brown - BOGB = White/brown






26. What is used to identify a wireless network?






27. What is the most common cable used today?






28. When utilizing infrastructure mode - the base unit (normally a WAP) will be configured with a _____________. This then becomes the name of the wireless network - and it is broadcast over the airwaves.






29. Tests all of the pins of a connection one by one.






30. The sending of two or more frames of data in a single transmission.






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






32. 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.






33. Medium dependent interface crossover






34. 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.






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






36. 100 Mbps






37. 568B = Blue - 568A = Blue - BOGB = Orange






38. 64-bit encryption level






39. 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.






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






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






42. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.






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






44. Regular twisted-pair cabling






45. Port based network access control (PNAC)






46. If you want to connect a computer directly to another computer without using a switch - you use a _____________.






47. 568B = White/orange - 568A = White/green - BOGB = White/blue






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






49. 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






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







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