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. Regular twisted-pair cabling






2. 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.






3. Medium dependent interface crossover






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






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






6. 64-bit encryption level






7. Port based network access control (PNAC)






8. 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.






9. 10 Mbps






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






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






12. 568B = Green - 568A = Orange - BOGB = Green






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






14. Has eight wires; they are copper conductors that transmit electric signals. These eight wires are grouped into four pairs: blue - orange - green - and brown.






15. 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.






16. The signal degrades to such a point that it cannot be interpreted by the destination host.






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






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






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






20. 568B = White/blue - 568A = White/blue - BOGB = White/green






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. Medium dependent interface.






23. This means that wireless devices can have more antennas - up to four maximum.






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






25. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






27. Blue - orange - green and brown.






28. Telecommunications Industry Association/Electronics Industries Alliance






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






30. What is the most common cable used today?






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






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






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






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






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






36. What is used to identify a wireless network?






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






38. 256-bit encryption level






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






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






41. 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.






42. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






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






44. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






45. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency






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






47. The older standard BOGB cable.






48. 128-bit encryption level






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






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







Sorry!:) No result found.

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