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Test your basic knowledge |
Wired And Wireless Networks
Start Test
Study First
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.
802.11a
Plenum-rated
Pin #6
54 Mbps
2. What is the maximum speed supported by 802.11g?
Radio Frequency Interference (RFI)
Electromagnetic Interference (EMI)
Wireless Bridge
54 Mbps
3. Anything that disrupts or modifies a signal that is traveling along a wire.
Attenuation
MDI-X
MDI-X
Interference
4. Have an aluminum shield inside the plastic jacket that surrounds the pairs of wires.
Fiber Optic Cable
Shielded Twisted Pair (STP) Cables
Plenum-Rated
Pin #4
5. The older standard BOGB cable.
Pin #5
Category 5e Cable Type
568A
802.11a
6. To test a cable - what tool would you use?
Pin #5
Continuity Tester
Radio Frequency Interference (RFI)
802.11g
7. 64-bit encryption level
11 Mbps
Infrastructure Mode
Shielded Twisted Pair (STP) Cables
Wired Equivalent Privacy (WEP)
8. What is the maximum speed supported by 802.11b?
11 Mbps
Plenum-rated
TIA/EIA
Crossover Cable
9. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Pin #7
Category 3 Cable Type
IEEE 802.1X
Ad-hoc/P2P Mode
10. 568B = White/brown - 568A = White/brown - BOGB = White/brown
Pin #7
100Base-FX
Plenum-Rated
802.11b
11. The signal degrades to such a point that it cannot be interpreted by the destination host.
11 Mbps
Category 5e Cable Type
568A
Attenuation
12. Medium dependent interface crossover
MDI-X
UTP
802.11b
Continuity Tester
13. 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.
Far End Crosstalk (FEXT)
Crosstalk
MDI Port
Straight Through Cable
14. 568B = Blue - 568A = Blue - BOGB = Orange
Pin #4
Pin #5
Service Set Identifier (SSID)
Infrastructure Mode
15. Similar to a wireless repeater - but the bridge can connect different 802.11 standards together; this is know as bridge mode.
Shielded Twisted Pair (STP) Cables
Multi-mode (MM)
WPA2
Wireless Bridge
16. The sending of two or more frames of data in a single transmission.
Plenum-rated
WPA2
Single-mode (SM)
Frame Aggregation
17. 568B = Orange - 568A = Green - BOGB = Blue
Pin #2
Attenuation
Pin #8
802.11a
18. For organizations - using - authentication for wireless networks is recommended.
54 Mbps
802.1x
Pin #6
Electromagnetic Interference (EMI)
19. The standard BOGB cable.
568B
802.11n
Plenum-Rated
Twisted Pair Cables
20. Medium dependent interface.
MDI Port
Wired Equivalent Privacy (WEP)
Straight Through Cable
Pin #7
21. Blue - orange - green and brown.
BOGB Colors
568B
Far End Crosstalk (FEXT)
Pin #1
22. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
MDI Port
Pin #8
Wireless LAN (WLAN)
BOGB Colors
23. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
Near End Crosstalk (NEXT)
Continuity Tester
568B
Far End Crosstalk (FEXT)
24. 568B = White/blue - 568A = White/blue - BOGB = White/green
Continuity Tester
Radio Frequency Interference (RFI)
Pin #5
568A
25. Port based network access control (PNAC)
IEEE 802.1X
100Base-FX
Attenuation
Unshielded Twisted Pair (UTP)
26. If you are making a crossover cable and one end is 568A - what should the other end be?
802.11n
568B
Straight Through Cable
Twisted Pair Cables
27. 568B = Brown - 568A = Brown - BOGB = Brown
BOGB Colors
Pin #8
Pin #3
Multiple-Input Multiple Output (MIMO)
28. Telecommunications Industry Association/Electronics Industries Alliance
Fiber Optic Cable
11 Mbps
54 Mbps
TIA/EIA
29. This is interference that can come from AM/FM transmissions and cell phone towers.
Pin #5
Unshielded Twisted Pair (UTP)
IEEE 802.1X
Radio Frequency Interference (RFI)
30. Regular twisted-pair cabling
Interference
Unshielded Twisted Pair (UTP)
IEEE 802.11
Crosstalk
31. 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.
Wired Equivalent Privacy (WEP)
Twisted Pair Cables
MDI Port
MDI-X
32. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.
Faraday Cage
Category 5e Cable Type
Port Based Network Access Control (PNAC)
MDI-X
33. 100 Mbps
Category 5 Cable Type
Radio Frequency Interference (RFI) Protection
TIA/EIA
Category 6 Cable Type
34. 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?
Wireless Network Adapters
BOGB Colors
802.11a
Fiber
35. What is the most secure encryption used in wireless networks?
Service Set Identifier (SSID)
Port Based Network Access Control (PNAC)
WPA2
802.11a
36. 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.
Service Set Identifier (SSID)
UTP
802.11a
Shielded Twisted Pair (STP) Cables
37. 568B = White/green - 568A = White/orange - BOGB = White/orange
Service Set Identifier (SSID)
Pin #3
11 Mbps
MDI Port
38. Used to extend the coverage of a wireless network.
Twisted Pair Cables
Radio Frequency Interference (RFI)
Wireless Repeater
Multiple-Input Multiple Output (MIMO)
39. 10 Mbps
Crosstalk
Category 3 Cable Type
Multiple-Input Multiple Output (MIMO)
Plenum-Rated
40. 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.
802.11n
Data Emanation
UTP
WPA2
41. What do you call it when electrical signals jump to another set of wires?
Wireless Network Adapters
UTP
IEEE 802.1X
Crosstalk
42. 128-bit encryption level
Temporal Key Integrity Protocol (TKIP)
Twisted Pair Cables
Far End Crosstalk (FEXT)
Crossover Cable
43. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
IEEE 802.11
Wired Equivalent Privacy (WEP)
Near End Crosstalk (NEXT)
802.11b
44. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km
Pin #7
Pin #6
100Base-FX
Twisted Pair Cables
45. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Category 5
Pin #2
Infrastructure Mode
Pin #4
46. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
Pin #1
Electromagnetic Interference (EMI)
568B
Wireless Network Adapters
47. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
Near End Crosstalk (NEXT)
Pin #8
Interference
Fiber Optic Cable
48. This means that wireless devices can have more antennas - up to four maximum.
Category 5 Cable Type
802.11n
Ad-hoc/P2P Mode
Multiple-Input Multiple Output (MIMO)
49. 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.
Crosstalk
Punch-Down Tool
802.11a
Interference
50. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency
568A
Pin #3
Pin #4
802.11n