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. Blue - orange - green and brown.






2. 10 Mbps






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






4. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






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






6. 64-bit encryption level






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






8. Medium dependent interface crossover






9. 256-bit encryption level






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






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






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






13. What is used to identify a wireless network?






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






15. 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.






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






17. 128- -192- - and 256-bit






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






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






20. 568B = Brown - 568A = Brown - BOGB = Brown






21. Telecommunications Industry Association/Electronics Industries Alliance






22. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






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






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






25. What is the most common cable used today?






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






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






28. Regular twisted-pair cabling






29. 128-bit encryption level






30. The older standard BOGB cable.






31. 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.






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






33. 568B = Orange - 568A = Green - BOGB = Blue






34. 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.






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






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






37. 100 Mbps






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






39. 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.






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






41. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






42. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency






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






44. 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.






45. The standard BOGB cable.






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






47. 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?






48. 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.






49. 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.






50. 568B = Blue - 568A = Blue - BOGB = Orange







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