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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. Blue - orange - green and brown.
Pin #3
802.11a
Far End Crosstalk (FEXT)
BOGB Colors
2. For organizations - using - authentication for wireless networks is recommended.
WPA2
568B
802.1x
Wireless LAN (WLAN)
3. What type of cable should be used as part of a fire code for a building?
Plenum-Rated
IEEE 802.1X
100Base-FX
802.11n
4. 568B = Blue - 568A = Blue - BOGB = Orange
Pin #4
802.11b
Category 3 Cable Type
Pin #3
5. 100 Mbps
Fiber
Wireless Network Adapters
Multiple-Input Multiple Output (MIMO)
Category 5 Cable Type
6. These cables have Teflon coating that makes them more impervious to fire.
Data Emanation
Continuity Tester
IEEE 802.11
Plenum-rated
7. 64-bit encryption level
Electromagnetic Interference (EMI)
Crossover Cable
Category 3 Cable Type
Wired Equivalent Privacy (WEP)
8. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Crosstalk
MDI-X
Crossover Cable
Category 5
9. Provides strong authentication to devices that need to connect to the WLAN; it can also be used for regular wired LANs.
Pin #3
Port Based Network Access Control (PNAC)
Attenuation
Unshielded Twisted Pair (UTP)
10. 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.
Continuity Tester
Radio Frequency Interference (RFI)
Infrastructure Mode
Plenum-Rated
11. What is the most common cable used today?
UTP
Pin #6
Category 6 Cable Type
Wireless Network Adapters
12. If you are making a crossover cable and one end is 568A - what should the other end be?
UTP
568B
Plenum-rated
Fiber Optic Cable
13. 128-bit encryption level
Crosstalk
Wired Equivalent Privacy (WEP)
Temporal Key Integrity Protocol (TKIP)
Pin #1
14. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Ad-hoc/P2P Mode
Wireless LAN (WLAN)
Plenum-Rated
MDI-X
15. 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.
Advanced Encryption Standard (AES)
Attenuation
Single-mode (SM)
100Base-FX
16. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
UTP
Unshielded Twisted Pair (UTP)
Interference
Near End Crosstalk (NEXT)
17. 256-bit encryption level
Category 5e Cable Type
Pin #6
Wi-Fi Protected Access (WPA2)
802.11n
18. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Twisted Pair Cables
802.11a
Fiber Optic Cable
Wired Equivalent Privacy (WEP)
19. 568B = Brown - 568A = Brown - BOGB = Brown
Pin #6
WPA2
MDI-X
Pin #8
20. 128- -192- - and 256-bit
Advanced Encryption Standard (AES)
Wireless LAN (WLAN)
Pin #6
Faraday Cage
21. 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?
Category 3 Cable Type
Radio Frequency Interference (RFI)
Fiber
Pin #3
22. What is the maximum speed supported by 802.11b?
Straight Through Cable
Plenum-rated
Continuity Tester
11 Mbps
23. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
UTP
Crosstalk
Crosstalk
Radio Frequency Interference (RFI)
24. This means that wireless devices can have more antennas - up to four maximum.
Pin #5
Plenum-Rated
Multiple-Input Multiple Output (MIMO)
BOGB Colors
25. 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)
Service Set Identifier (SSID)
Frame Aggregation
Temporal Key Integrity Protocol (TKIP)
26. Medium dependent interface crossover
Single-mode (SM)
MDI-X
Far End Crosstalk (FEXT)
Continuity Tester
27. The older standard BOGB cable.
Wireless Repeater
568B
Category 5e Cable Type
568A
28. Anything that disrupts or modifies a signal that is traveling along a wire.
Crosstalk
IEEE 802.1X
Category 5 Cable Type
Interference
29. Telecommunications Industry Association/Electronics Industries Alliance
Crossover Cable
Faraday Cage
TIA/EIA
Interference
30. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km
568A
Wired Equivalent Privacy (WEP)
Pin #7
100Base-FX
31. Used to extend the coverage of a wireless network.
11 Mbps
Wireless Repeater
568B
Wireless Bridge
32. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.
Crosstalk
802.11b
BOGB Colors
IEEE 802.11
33. 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.
Interference
Multi-mode (MM)
Pin #7
Plenum-Rated
34. 568B = Orange - 568A = Green - BOGB = Blue
Radio Frequency Interference (RFI)
Single-mode (SM)
Pin #2
568B
35. Which of the following is not a characteristic of 802.11n?
Radio Frequency Interference (RFI) Protection
Straight Through Cable
Twisted Pair Cables
Category 3 Cable Type
36. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
568A
Wireless LAN (WLAN)
Crosstalk
Ad-hoc/P2P Mode
37. 10 Mbps
Interference
Radio Frequency Interference (RFI)
Category 3 Cable Type
Pin #6
38. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
Wireless Network Adapters
Crossover Cable
Pin #7
IEEE 802.1X
39. What is the maximum speed supported by 802.11g?
IEEE 802.11
Service Set Identifier (SSID)
54 Mbps
Infrastructure Mode
40. 568B = White/green - 568A = White/orange - BOGB = White/orange
11 Mbps
Twisted Pair Cables
Category 5e Cable Type
Pin #3
41. Used to connect like devices to each other - for example - a computer to another computer - or a switch to another switch.
Multiple-Input Multiple Output (MIMO)
54 Mbps
Crossover Cable
Attenuation
42. 568B = Green - 568A = Orange - BOGB = Green
Single-mode (SM)
Plenum-rated
11 Mbps
Pin #6
43. 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.
Electromagnetic Interference (EMI)
Data Emanation
Pin #1
Crossover Cable
44. What do you call it when electrical signals jump to another set of wires?
11 Mbps
802.11g
Pin #7
Crosstalk
45. 568B = White/brown - 568A = White/brown - BOGB = White/brown
MDI Port
IEEE 802.1X
Pin #7
Pin #1
46. Medium dependent interface.
IEEE 802.1X
Radio Frequency Interference (RFI)
Interference
MDI Port
47. 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.
Crossover Cable
Shielded Twisted Pair (STP) Cables
Fiber
MDI-X
48. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11b
Service Set Identifier (SSID)
Pin #5
568B
49. 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.
Straight Through Cable
IEEE 802.11
Near End Crosstalk (NEXT)
Crossover Cable
50. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Radio Frequency Interference (RFI)
Wireless Bridge
Punch-Down Tool
802.11n