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






2. What is the most common cable used today?






3. 100 Mbps






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






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






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






7. What is used to identify a wireless network?






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






9. 568B = White/brown - 568A = White/brown - BOGB = White/brown






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






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






12. Medium dependent interface crossover






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






14. 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.






15. 568B = White/blue - 568A = White/blue - BOGB = White/green






16. 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.






17. Medium dependent interface.






18. The standard BOGB cable.






19. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency






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






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






22. You could also use electromagnetic shielding on devices that might be emanating an electromagnetic field. This could be done on a small scale by shielding the single device - or on a larger scale by shielding an entire room - perhaps a server room. T






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






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






25. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






26. 256-bit encryption level






27. 10 Mbps






28. 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?






29. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






30. 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.






31. 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.






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






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






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






35. 64-bit encryption level






36. 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.






37. 568B = Green - 568A = Orange - BOGB = Green






38. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






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






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






42. Blue - orange - green and brown.






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






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






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






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






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






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






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






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