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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. Regular twisted-pair cabling
802.11g
Fiber
Unshielded Twisted Pair (UTP)
Pin #8
2. The standard BOGB cable.
568B
Plenum-Rated
Pin #7
Fiber
3. Anything that disrupts or modifies a signal that is traveling along a wire.
Interference
MDI-X
802.11g
Frame Aggregation
4. 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
Twisted Pair Cables
Pin #1
5. 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.
Crossover Cable
Service Set Identifier (SSID)
Frame Aggregation
54 Mbps
6. 568B = Orange - 568A = Green - BOGB = Blue
Straight Through Cable
Pin #7
Unshielded Twisted Pair (UTP)
Pin #2
7. What is the maximum speed supported by 802.11g?
568A
54 Mbps
Wireless Repeater
568B
8. 568B = White/orange - 568A = White/green - BOGB = White/blue
11 Mbps
Pin #1
TIA/EIA
Pin #6
9. Blue - orange - green and brown.
Fiber
568B
BOGB Colors
Multi-mode (MM)
10. Similar to a wireless repeater - but the bridge can connect different 802.11 standards together; this is know as bridge mode.
Far End Crosstalk (FEXT)
Wireless Bridge
Wireless Network Adapters
11 Mbps
11. What type of cable should be used as part of a fire code for a building?
Plenum-Rated
Near End Crosstalk (NEXT)
Continuity Tester
Wi-Fi Protected Access (WPA2)
12. The signal degrades to such a point that it cannot be interpreted by the destination host.
802.11n
Attenuation
MDI Port
Ad-hoc/P2P Mode
13. If you are making a crossover cable and one end is 568A - what should the other end be?
Category 3 Cable Type
Pin #4
Ad-hoc/P2P Mode
568B
14. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
Wireless LAN (WLAN)
Attenuation
Wireless Network Adapters
Fiber Optic Cable
15. 568B = White/brown - 568A = White/brown - BOGB = White/brown
IEEE 802.11
Crossover Cable
Pin #7
Wireless LAN (WLAN)
16. 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.
Infrastructure Mode
Radio Frequency Interference (RFI) Protection
Category 6 Cable Type
Radio Frequency Interference (RFI)
17. 128-bit encryption level
Pin #4
Temporal Key Integrity Protocol (TKIP)
WPA2
Wireless Network Adapters
18. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
Crossover Cable
Wi-Fi Protected Access (WPA2)
Single-mode (SM)
568A
19. 256-bit encryption level
Wi-Fi Protected Access (WPA2)
MDI-X
Crossover Cable
Faraday Cage
20. This is interference that can come from AM/FM transmissions and cell phone towers.
Radio Frequency Interference (RFI)
568B
Category 6 Cable Type
802.11a
21. These cables have Teflon coating that makes them more impervious to fire.
Plenum-rated
802.1x
MDI-X
Faraday Cage
22. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
Pin #1
Wi-Fi Protected Access (WPA2)
Near End Crosstalk (NEXT)
Multiple-Input Multiple Output (MIMO)
23. To test a cable - what tool would you use?
568B
Pin #5
Continuity Tester
Wi-Fi Protected Access (WPA2)
24. 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.
568A
Single-mode (SM)
Fiber Optic Cable
Unshielded Twisted Pair (UTP)
25. The older standard BOGB cable.
MDI-X
IEEE 802.1X
802.11b
568A
26. 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.
802.11b
MDI Port
Multi-mode (MM)
Wireless Repeater
27. Provides strong authentication to devices that need to connect to the WLAN; it can also be used for regular wired LANs.
Interference
IEEE 802.11
Crosstalk
Port Based Network Access Control (PNAC)
28. Tests all of the pins of a connection one by one.
Category 3 Cable Type
Continuity Tester
Ad-hoc/P2P Mode
Near End Crosstalk (NEXT)
29. What do you call it when electrical signals jump to another set of wires?
Crosstalk
Plenum-rated
Category 5
Ad-hoc/P2P Mode
30. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency
Temporal Key Integrity Protocol (TKIP)
Near End Crosstalk (NEXT)
Wireless LAN (WLAN)
802.11n
31. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Category 5
Fiber Optic Cable
568A
Crosstalk
32. 128- -192- - and 256-bit
Interference
WPA2
Advanced Encryption Standard (AES)
Wired Equivalent Privacy (WEP)
33. Used to extend the coverage of a wireless network.
Crosstalk
Wireless Repeater
Advanced Encryption Standard (AES)
802.1x
34. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Near End Crosstalk (NEXT)
Crossover Cable
BOGB Colors
Category 5
35. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
Multiple-Input Multiple Output (MIMO)
Radio Frequency Interference (RFI)
Wireless LAN (WLAN)
100Base-FX
36. What is the most secure encryption used in wireless networks?
Electromagnetic Interference (EMI)
BOGB Colors
IEEE 802.11
WPA2
37. Telecommunications Industry Association/Electronics Industries Alliance
Straight Through Cable
MDI Port
Interference
TIA/EIA
38. 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.
802.11b
MDI-X
Pin #3
Fiber Optic Cable
39. What is the maximum speed supported by 802.11b?
Continuity Tester
Wireless Network Adapters
11 Mbps
Category 5 Cable Type
40. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Ad-hoc/P2P Mode
Near End Crosstalk (NEXT)
Single-mode (SM)
Service Set Identifier (SSID)
41. Port based network access control (PNAC)
Advanced Encryption Standard (AES)
Service Set Identifier (SSID)
802.11b
IEEE 802.1X
42. What is used to identify a wireless network?
Service Set Identifier (SSID)
Category 3 Cable Type
Crossover Cable
Wi-Fi Protected Access (WPA2)
43. What is the most common cable used today?
UTP
802.11g
Pin #2
MDI-X
44. Medium dependent interface crossover
Infrastructure Mode
Port Based Network Access Control (PNAC)
MDI-X
568A
45. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
Electromagnetic Interference (EMI)
Pin #7
Pin #8
Plenum-Rated
46. 568B = White/blue - 568A = White/blue - BOGB = White/green
11 Mbps
Electromagnetic Interference (EMI)
802.11a
Pin #5
47. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
Punch-Down Tool
Far End Crosstalk (FEXT)
Continuity Tester
Category 5
48. This means that wireless devices can have more antennas - up to four maximum.
MDI-X
Multiple-Input Multiple Output (MIMO)
Interference
Crossover Cable
49. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
MDI-X
Punch-Down Tool
54 Mbps
802.11b
50. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Pin #5
Punch-Down Tool
802.11a
MDI-X