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. 128- -192- - and 256-bit






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






3. This is the electromagnetic (EM) field that is generated by a network cable or network device - which can be manipulated to eavesdrop on conversations or to steal data.






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






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






6. The older standard BOGB cable.






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






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






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






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






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






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






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






14. What is used to identify a wireless network?






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






16. What is the most common cable used today?






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






18. Telecommunications Industry Association/Electronics Industries Alliance






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






20. Regular twisted-pair cabling






21. Have an aluminum shield inside the plastic jacket that surrounds the pairs of wires.






22. 568B = White/orange - 568A = White/green - BOGB = White/blue






23. Blue - orange - green and brown.






24. 568B = White/blue - 568A = White/blue - BOGB = White/green






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






26. 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.






27. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.






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






29. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency






30. 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?






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






32. 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.






33. 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.






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






35. 568B = Blue - 568A = Blue - BOGB = Orange






36. 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.






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






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






39. The standard BOGB cable.






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






41. Medium dependent interface.






42. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency






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






44. 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.






45. Medium dependent interface crossover






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






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






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






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






50. 10 Mbps