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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. 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.
MDI-X
IEEE 802.11
Advanced Encryption Standard (AES)
Data Emanation
2. 128-bit encryption level
100Base-FX
Radio Frequency Interference (RFI) Protection
Temporal Key Integrity Protocol (TKIP)
Frame Aggregation
3. 256-bit encryption level
Pin #6
Wireless Network Adapters
UTP
Wi-Fi Protected Access (WPA2)
4. 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.
Pin #2
Crosstalk
Temporal Key Integrity Protocol (TKIP)
Pin #6
5. Medium dependent interface crossover
MDI-X
IEEE 802.11
Near End Crosstalk (NEXT)
Plenum-rated
6. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Category 5
Advanced Encryption Standard (AES)
Frame Aggregation
Twisted Pair Cables
7. Used to extend the coverage of a wireless network.
Wireless Repeater
Category 5
802.11a
Pin #6
8. What is used to identify a wireless network?
Radio Frequency Interference (RFI) Protection
11 Mbps
Service Set Identifier (SSID)
Pin #5
9. 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
MDI-X
Temporal Key Integrity Protocol (TKIP)
Faraday Cage
Category 5 Cable Type
10. 100 Mbps
Near End Crosstalk (NEXT)
Category 5 Cable Type
802.11a
BOGB Colors
11. 568B = White/green - 568A = White/orange - BOGB = White/orange
Attenuation
Pin #3
Punch-Down Tool
Pin #6
12. 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.
Wireless Bridge
Radio Frequency Interference (RFI) Protection
Radio Frequency Interference (RFI)
Single-mode (SM)
13. What is the maximum speed supported by 802.11b?
Pin #5
11 Mbps
Near End Crosstalk (NEXT)
IEEE 802.1X
14. 568B = White/blue - 568A = White/blue - BOGB = White/green
Pin #5
Straight Through Cable
TIA/EIA
Shielded Twisted Pair (STP) Cables
15. What is the most secure encryption used in wireless networks?
WPA2
Pin #5
568A
UTP
16. Tests all of the pins of a connection one by one.
Punch-Down Tool
802.11b
Continuity Tester
Unshielded Twisted Pair (UTP)
17. Used to connect like devices to each other - for example - a computer to another computer - or a switch to another switch.
Category 6 Cable Type
Continuity Tester
100Base-FX
Crossover Cable
18. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
568B
802.1x
802.11g
802.11a
19. 568B = Brown - 568A = Brown - BOGB = Brown
UTP
MDI Port
Pin #8
Wi-Fi Protected Access (WPA2)
20. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.
Pin #3
Near End Crosstalk (NEXT)
IEEE 802.11
Pin #2
21. 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.
Crosstalk
Service Set Identifier (SSID)
Service Set Identifier (SSID)
Continuity Tester
22. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
BOGB Colors
Electromagnetic Interference (EMI)
Wireless LAN (WLAN)
IEEE 802.11
23. Which of the following is not a characteristic of 802.11n?
Radio Frequency Interference (RFI) Protection
IEEE 802.11
Unshielded Twisted Pair (UTP)
802.1x
24. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
Radio Frequency Interference (RFI)
MDI-X
Shielded Twisted Pair (STP) Cables
Category 3 Cable Type
25. Medium dependent interface.
MDI Port
Near End Crosstalk (NEXT)
Radio Frequency Interference (RFI) Protection
Temporal Key Integrity Protocol (TKIP)
26. 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?
802.11n
Fiber
Wired Equivalent Privacy (WEP)
Continuity Tester
27. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Interference
Category 5
Punch-Down Tool
UTP
28. Anything that disrupts or modifies a signal that is traveling along a wire.
11 Mbps
Interference
Service Set Identifier (SSID)
Multi-mode (MM)
29. These cables have Teflon coating that makes them more impervious to fire.
Attenuation
Unshielded Twisted Pair (UTP)
Plenum-rated
54 Mbps
30. 568B = White/orange - 568A = White/green - BOGB = White/blue
Multiple-Input Multiple Output (MIMO)
Radio Frequency Interference (RFI)
Pin #1
Category 3 Cable Type
31. 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.
Temporal Key Integrity Protocol (TKIP)
Multi-mode (MM)
Electromagnetic Interference (EMI)
Wired Equivalent Privacy (WEP)
32. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.
Infrastructure Mode
BOGB Colors
Category 5e Cable Type
Fiber
33. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Wireless Bridge
Wireless Network Adapters
Pin #7
Fiber Optic Cable
34. Blue - orange - green and brown.
802.1x
Plenum-rated
BOGB Colors
Crossover Cable
35. Regular twisted-pair cabling
Unshielded Twisted Pair (UTP)
Plenum-rated
Port Based Network Access Control (PNAC)
Wireless Repeater
36. What is the most common cable used today?
Electromagnetic Interference (EMI)
UTP
Plenum-Rated
Multi-mode (MM)
37. 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.
Wireless Bridge
Category 5
Twisted Pair Cables
Infrastructure Mode
38. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency
Category 6 Cable Type
Attenuation
802.11a
11 Mbps
39. The sending of two or more frames of data in a single transmission.
Interference
Wi-Fi Protected Access (WPA2)
568B
Frame Aggregation
40. For organizations - using - authentication for wireless networks is recommended.
802.1x
Unshielded Twisted Pair (UTP)
MDI Port
Pin #3
41. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
Wireless LAN (WLAN)
MDI-X
Crossover Cable
802.11g
42. Allow for connectivity between a desktop computer or laptop and the wireless access pint.
Wired Equivalent Privacy (WEP)
Category 5 Cable Type
Near End Crosstalk (NEXT)
Wireless Network Adapters
43. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km
Crosstalk
100Base-FX
Pin #7
Far End Crosstalk (FEXT)
44. 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.
Service Set Identifier (SSID)
Radio Frequency Interference (RFI) Protection
Data Emanation
Straight Through Cable
45. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
54 Mbps
Pin #4
Electromagnetic Interference (EMI)
802.1x
46. This means that wireless devices can have more antennas - up to four maximum.
Punch-Down Tool
Multiple-Input Multiple Output (MIMO)
Wireless Network Adapters
Crossover Cable
47. 568B = Orange - 568A = Green - BOGB = Blue
Pin #2
Radio Frequency Interference (RFI)
802.11a
802.11b
48. 568B = Green - 568A = Orange - BOGB = Green
Faraday Cage
Pin #6
Near End Crosstalk (NEXT)
Single-mode (SM)
49. What type of cable should be used as part of a fire code for a building?
Pin #8
Fiber
Wireless LAN (WLAN)
Plenum-Rated
50. Similar to a wireless repeater - but the bridge can connect different 802.11 standards together; this is know as bridge mode.
UTP
Attenuation
Wireless Bridge
Crosstalk