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. 100 Mbps






2. 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.






3. 128-bit encryption level






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






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






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






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






8. 128- -192- - and 256-bit






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






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






11. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






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






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






14. 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.






15. 568B = Orange - 568A = Green - BOGB = Blue






16. Medium dependent interface crossover






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






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






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






20. 568B = White/brown - 568A = White/brown - BOGB = White/brown






21. 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.






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






23. 568B = Green - 568A = Orange - BOGB = Green






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






25. Port based network access control (PNAC)






26. Similar to a wireless repeater - but the bridge can connect different 802.11 standards together; this is know as bridge mode.






27. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?






28. What is the most common cable used today?






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






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






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






32. Telecommunications Industry Association/Electronics Industries Alliance






33. Medium dependent interface.






34. The older standard BOGB cable.






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






36. 568B = White/orange - 568A = White/green - BOGB = White/blue






37. 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.






38. 64-bit encryption level






39. 568B = Blue - 568A = Blue - BOGB = Orange






40. 568B = Brown - 568A = Brown - BOGB = Brown






41. Blue - orange - green and brown.






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






43. 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?






44. Used to connect like devices to each other - for example - a computer to another computer - or a switch to another switch.






45. Regular twisted-pair cabling






46. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






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






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






50. 10 Mbps







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