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. What is the maximum speed supported by 802.11b?






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






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






4. The standard BOGB cable.






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






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






7. 64-bit encryption level






8. 568B = Brown - 568A = Brown - BOGB = Brown






9. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency






10. 568B = White/orange - 568A = White/green - BOGB = White/blue






11. 568B = Orange - 568A = Green - BOGB = Blue






12. The older standard BOGB cable.






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






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






15. 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.






16. 128- -192- - and 256-bit






17. 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.






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






19. Port based network access control (PNAC)






20. 128-bit encryption level






21. 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.






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






23. What is the most common cable used today?






24. Regular twisted-pair cabling






25. 568B = White/green - 568A = White/orange - BOGB = White/orange






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






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






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






29. 10 Mbps






30. 256-bit encryption level






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






32. Medium dependent interface.






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






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






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






36. 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.






37. 568B = White/brown - 568A = White/brown - BOGB = White/brown






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






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






40. 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.






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






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






43. Telecommunications Industry Association/Electronics Industries Alliance






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






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






46. 568B = White/blue - 568A = White/blue - BOGB = White/green






47. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






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






49. 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.






50. 100 Mbps