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






2. Blue - orange - green and brown.






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






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






5. Regular twisted-pair cabling






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






7. Port based network access control (PNAC)






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






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






10. 100 Mbps






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






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






13. 64-bit encryption level






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






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






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






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






18. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






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






21. 256-bit encryption level






22. Medium dependent interface crossover






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






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






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






26. 568B = White/green - 568A = White/orange - BOGB = White/orange






27. 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.






28. 568B = White/blue - 568A = White/blue - BOGB = White/green






29. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






30. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






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






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






33. 568B = Brown - 568A = Brown - BOGB = Brown






34. 568B = Blue - 568A = Blue - BOGB = Orange






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






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






38. The standard BOGB cable.






39. What is used to identify a wireless network?






40. 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.






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






42. 10 Mbps






43. 568B = Green - 568A = Orange - BOGB = Green






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






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






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






47. What is the most common cable used today?






48. 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.






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






50. 568B = White/brown - 568A = White/brown - BOGB = White/brown






Can you answer 50 questions in 15 minutes?



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