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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. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
802.11n
Electromagnetic Interference (EMI)
Wireless LAN (WLAN)
Multiple-Input Multiple Output (MIMO)
2. This is interference that can come from AM/FM transmissions and cell phone towers.
Radio Frequency Interference (RFI)
Straight Through Cable
Pin #2
Continuity Tester
3. 568B = White/blue - 568A = White/blue - BOGB = White/green
Multi-mode (MM)
100Base-FX
MDI-X
Pin #5
4. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11b
Fiber Optic Cable
Wi-Fi Protected Access (WPA2)
Category 3 Cable Type
5. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
Wired Equivalent Privacy (WEP)
Straight Through Cable
Infrastructure Mode
Far End Crosstalk (FEXT)
6. 568B = White/green - 568A = White/orange - BOGB = White/orange
Crossover Cable
Pin #3
Category 5
TIA/EIA
7. The signal degrades to such a point that it cannot be interpreted by the destination host.
Wireless Bridge
Service Set Identifier (SSID)
Radio Frequency Interference (RFI)
Attenuation
8. 128- -192- - and 256-bit
Advanced Encryption Standard (AES)
Radio Frequency Interference (RFI)
Crossover Cable
WPA2
9. Telecommunications Industry Association/Electronics Industries Alliance
Radio Frequency Interference (RFI)
Continuity Tester
TIA/EIA
Shielded Twisted Pair (STP) Cables
10. If you are making a crossover cable and one end is 568A - what should the other end be?
568B
802.11b
Ad-hoc/P2P Mode
Radio Frequency Interference (RFI)
11. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
Radio Frequency Interference (RFI)
Crossover Cable
Punch-Down Tool
Wireless Network Adapters
12. 568B = White/orange - 568A = White/green - BOGB = White/blue
WPA2
Pin #4
Attenuation
Pin #1
13. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Ad-hoc/P2P Mode
Pin #2
Service Set Identifier (SSID)
Category 6 Cable Type
14. What is the maximum speed supported by 802.11g?
UTP
Crossover Cable
Unshielded Twisted Pair (UTP)
54 Mbps
15. Which of the following is not a characteristic of 802.11n?
Radio Frequency Interference (RFI) Protection
Interference
Pin #4
Continuity Tester
16. This means that wireless devices can have more antennas - up to four maximum.
Continuity Tester
Multiple-Input Multiple Output (MIMO)
Wired Equivalent Privacy (WEP)
Category 3 Cable Type
17. What do you call it when electrical signals jump to another set of wires?
Shielded Twisted Pair (STP) Cables
802.11b
Pin #3
Crosstalk
18. Used to connect like devices to each other - for example - a computer to another computer - or a switch to another switch.
Crossover Cable
Pin #2
Multi-mode (MM)
MDI-X
19. What type of cable should be used as part of a fire code for a building?
Plenum-Rated
Advanced Encryption Standard (AES)
Service Set Identifier (SSID)
MDI-X
20. 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.
Interference
Service Set Identifier (SSID)
Crosstalk
Radio Frequency Interference (RFI) Protection
21. The older standard BOGB cable.
568B
Radio Frequency Interference (RFI)
568A
Crosstalk
22. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
802.11b
Category 5
Near End Crosstalk (NEXT)
Pin #6
23. 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?
Unshielded Twisted Pair (UTP)
Fiber
Category 6 Cable Type
Temporal Key Integrity Protocol (TKIP)
24. 568B = White/brown - 568A = White/brown - BOGB = White/brown
568B
Pin #7
Near End Crosstalk (NEXT)
Data Emanation
25. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
Port Based Network Access Control (PNAC)
Shielded Twisted Pair (STP) Cables
802.11n
Wireless LAN (WLAN)
26. Gigabit networks. Has different versions that run at 250 MHz and 500 MHz.
Service Set Identifier (SSID)
IEEE 802.1X
MDI-X
Category 6 Cable Type
27. 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
Wireless Bridge
Multi-mode (MM)
Radio Frequency Interference (RFI)
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.
IEEE 802.1X
MDI-X
Category 5e Cable Type
Twisted Pair Cables
29. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Single-mode (SM)
Wireless Network Adapters
Pin #8
Punch-Down Tool
30. 64-bit encryption level
Continuity Tester
Plenum-Rated
568B
Wired Equivalent Privacy (WEP)
31. The sending of two or more frames of data in a single transmission.
568B
Plenum-Rated
Pin #2
Frame Aggregation
32. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11g
Category 3 Cable Type
802.1x
Crosstalk
33. Medium dependent interface crossover
Fiber Optic Cable
802.1x
MDI-X
Pin #6
34. Have an aluminum shield inside the plastic jacket that surrounds the pairs of wires.
Shielded Twisted Pair (STP) Cables
Pin #8
802.1x
Radio Frequency Interference (RFI)
35. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
Radio Frequency Interference (RFI)
Pin #7
Near End Crosstalk (NEXT)
Plenum-Rated
36. To test a cable - what tool would you use?
Continuity Tester
Radio Frequency Interference (RFI)
Near End Crosstalk (NEXT)
Pin #8
37. 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.
Shielded Twisted Pair (STP) Cables
Crossover Cable
Service Set Identifier (SSID)
Wireless Bridge
38. What is the most secure encryption used in wireless networks?
Straight Through Cable
WPA2
802.11a
11 Mbps
39. 568B = Orange - 568A = Green - BOGB = Blue
Fiber Optic Cable
Punch-Down Tool
Near End Crosstalk (NEXT)
Pin #2
40. Used to extend the coverage of a wireless network.
Multiple-Input Multiple Output (MIMO)
100Base-FX
Wireless Repeater
Frame Aggregation
41. What is the most common cable used today?
Multi-mode (MM)
802.1x
Pin #1
UTP
42. 568B = Brown - 568A = Brown - BOGB = Brown
Pin #8
Electromagnetic Interference (EMI)
Crosstalk
Crosstalk
43. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
UTP
Near End Crosstalk (NEXT)
Frame Aggregation
Crossover Cable
44. What is the maximum speed supported by 802.11b?
Pin #5
Service Set Identifier (SSID)
802.11n
11 Mbps
45. Anything that disrupts or modifies a signal that is traveling along a wire.
Wireless Network Adapters
Interference
BOGB Colors
Attenuation
46. 10 Mbps
802.11n
Near End Crosstalk (NEXT)
Frame Aggregation
Category 3 Cable Type
47. Port based network access control (PNAC)
802.11b
IEEE 802.1X
568B
MDI-X
48. Regular twisted-pair cabling
Unshielded Twisted Pair (UTP)
Far End Crosstalk (FEXT)
Crossover Cable
Infrastructure Mode
49. 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
Faraday Cage
Pin #2
Radio Frequency Interference (RFI) Protection
Punch-Down Tool
50. The standard BOGB cable.
Wi-Fi Protected Access (WPA2)
Multiple-Input Multiple Output (MIMO)
Radio Frequency Interference (RFI)
568B