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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. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
Far End Crosstalk (FEXT)
Pin #2
Shielded Twisted Pair (STP) Cables
Crossover Cable
2. What is the most secure encryption used in wireless networks?
Wireless LAN (WLAN)
WPA2
568B
Attenuation
3. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11g
Near End Crosstalk (NEXT)
Continuity Tester
Wireless Repeater
4. The sending of two or more frames of data in a single transmission.
Category 5 Cable Type
TIA/EIA
Frame Aggregation
Plenum-rated
5. 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.
Wireless Repeater
Category 3 Cable Type
Crosstalk
MDI-X
6. Blue - orange - green and brown.
802.11b
BOGB Colors
TIA/EIA
Shielded Twisted Pair (STP) Cables
7. 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.
Continuity Tester
Straight Through Cable
WPA2
Category 6 Cable Type
8. This is interference that can come from AM/FM transmissions and cell phone towers.
Radio Frequency Interference (RFI)
Continuity Tester
Pin #4
Crosstalk
9. If you are making a crossover cable and one end is 568A - what should the other end be?
Category 6 Cable Type
568B
Continuity Tester
Advanced Encryption Standard (AES)
10. Has eight wires; they are copper conductors that transmit electric signals. These eight wires are grouped into four pairs: blue - orange - green - and brown.
Plenum-rated
Twisted Pair Cables
Multiple-Input Multiple Output (MIMO)
Infrastructure Mode
11. 568B = Brown - 568A = Brown - BOGB = Brown
Crosstalk
Pin #8
WPA2
802.11b
12. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
Near End Crosstalk (NEXT)
Electromagnetic Interference (EMI)
UTP
Plenum-Rated
13. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
802.11a
Category 5
Plenum-Rated
BOGB Colors
14. 568B = Blue - 568A = Blue - BOGB = Orange
Pin #6
Category 5
Interference
Pin #4
15. 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.
100Base-FX
Crosstalk
MDI-X
Interference
16. Port based network access control (PNAC)
Continuity Tester
IEEE 802.1X
Attenuation
Single-mode (SM)
17. 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.
Single-mode (SM)
Pin #4
Category 3 Cable Type
Data Emanation
18. The standard BOGB cable.
802.11g
Category 5
568B
54 Mbps
19. 568B = White/brown - 568A = White/brown - BOGB = White/brown
TIA/EIA
Temporal Key Integrity Protocol (TKIP)
Pin #7
Pin #6
20. This means that wireless devices can have more antennas - up to four maximum.
TIA/EIA
Category 5 Cable Type
802.1x
Multiple-Input Multiple Output (MIMO)
21. 568B = White/orange - 568A = White/green - BOGB = White/blue
Pin #1
WPA2
Continuity Tester
Frame Aggregation
22. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
MDI-X
Radio Frequency Interference (RFI)
Fiber
Unshielded Twisted Pair (UTP)
23. 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)
IEEE 802.1X
Radio Frequency Interference (RFI)
MDI-X
24. The older standard BOGB cable.
568A
Near End Crosstalk (NEXT)
Multi-mode (MM)
Continuity Tester
25. 100 Mbps
Attenuation
MDI-X
Category 5 Cable Type
Twisted Pair Cables
26. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Crosstalk
MDI-X
Ad-hoc/P2P Mode
Crosstalk
27. What is used to identify a wireless network?
Data Emanation
Plenum-rated
Service Set Identifier (SSID)
Shielded Twisted Pair (STP) Cables
28. 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.
MDI-X
Punch-Down Tool
Multi-mode (MM)
Pin #1
29. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.
Crosstalk
Frame Aggregation
IEEE 802.11
Far End Crosstalk (FEXT)
30. Anything that disrupts or modifies a signal that is traveling along a wire.
Interference
Pin #8
IEEE 802.1X
54 Mbps
31. To test a cable - what tool would you use?
Infrastructure Mode
Continuity Tester
MDI-X
IEEE 802.1X
32. 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.
Fiber
Data Emanation
IEEE 802.11
Category 5e Cable Type
33. Medium dependent interface crossover
Far End Crosstalk (FEXT)
MDI-X
Pin #2
Crosstalk
34. 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
Punch-Down Tool
Category 6 Cable Type
Faraday Cage
802.1x
35. 10 Mbps
Wi-Fi Protected Access (WPA2)
Category 3 Cable Type
Wireless LAN (WLAN)
Fiber Optic Cable
36. 568B = Orange - 568A = Green - BOGB = Blue
Category 5 Cable Type
Pin #2
Far End Crosstalk (FEXT)
Electromagnetic Interference (EMI)
37. What type of cable should be used as part of a fire code for a building?
Category 5
Faraday Cage
Pin #8
Plenum-Rated
38. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency
Wireless Repeater
802.11a
Temporal Key Integrity Protocol (TKIP)
Pin #8
39. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Punch-Down Tool
Plenum-Rated
Pin #2
11 Mbps
40. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11b
MDI Port
Fiber Optic Cable
Temporal Key Integrity Protocol (TKIP)
41. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
802.11n
Infrastructure Mode
Near End Crosstalk (NEXT)
Category 5
42. What is the maximum speed supported by 802.11g?
54 Mbps
Pin #7
Crosstalk
Punch-Down Tool
43. Regular twisted-pair cabling
Category 5
Radio Frequency Interference (RFI)
Attenuation
Unshielded Twisted Pair (UTP)
44. 64-bit encryption level
Punch-Down Tool
100Base-FX
Wired Equivalent Privacy (WEP)
Service Set Identifier (SSID)
45. What is the most common cable used today?
Service Set Identifier (SSID)
Fiber
UTP
Crossover Cable
46. Medium dependent interface.
Category 5 Cable Type
MDI Port
Wireless Repeater
Punch-Down Tool
47. 128-bit encryption level
Wireless Network Adapters
Interference
Electromagnetic Interference (EMI)
Temporal Key Integrity Protocol (TKIP)
48. What is the maximum speed supported by 802.11b?
Advanced Encryption Standard (AES)
BOGB Colors
Multi-mode (MM)
11 Mbps
49. 568B = Green - 568A = Orange - BOGB = Green
Pin #6
802.11n
11 Mbps
IEEE 802.1X
50. 568B = White/blue - 568A = White/blue - BOGB = White/green
Pin #5
Pin #3
Frame Aggregation
WPA2