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






2. 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.






3. 10 Mbps






4. 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.






5. 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?






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






7. 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.






8. The standard BOGB cable.






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






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






11. 256-bit encryption level






12. What is the most common cable used today?






13. 568B = White/green - 568A = White/orange - BOGB = White/orange






14. Regular twisted-pair cabling






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






16. Gigabit networks. Has different versions that run at 250 MHz and 500 MHz.






17. Medium dependent interface.






18. 128- -192- - and 256-bit






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






20. Blue - orange - green and brown.






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






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






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






24. 568B = Green - 568A = Orange - BOGB = Green






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






26. 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.






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






28. The older standard BOGB cable.






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






30. 568B = Brown - 568A = Brown - BOGB = Brown






31. 100 Mbps






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






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






34. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






35. 568B = White/orange - 568A = White/green - BOGB = White/blue






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






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






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






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






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






41. 568B = Blue - 568A = Blue - BOGB = Orange






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






43. 64-bit encryption level






44. 568B = White/blue - 568A = White/blue - BOGB = White/green






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






46. Port based network access control (PNAC)






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






48. What is used to identify a wireless network?






49. Telecommunications Industry Association/Electronics Industries Alliance






50. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency







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