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






2. 256-bit encryption level






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






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






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






6. 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.






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






8. 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?






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






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






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






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






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






14. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






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






16. Telecommunications Industry Association/Electronics Industries Alliance






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






18. 568B = Orange - 568A = Green - BOGB = Blue






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






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






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






22. 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.






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






24. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






25. 568B = Brown - 568A = Brown - BOGB = Brown






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






27. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






29. What is the most common cable used today?






30. 568B = White/orange - 568A = White/green - BOGB = White/blue






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






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






33. 568B = White/brown - 568A = White/brown - BOGB = White/brown






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






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






36. The standard BOGB cable.






37. 128- -192- - and 256-bit






38. 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.






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






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






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






42. 128-bit encryption level






43. What is used to identify a wireless network?






44. 64-bit encryption level






45. 568B = Green - 568A = Orange - BOGB = Green






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






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






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






50. 100 Mbps






Can you answer 50 questions in 15 minutes?



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