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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. What is the maximum speed supported by 802.11b?
Plenum-Rated
IEEE 802.1X
11 Mbps
Unshielded Twisted Pair (UTP)
2. The sending of two or more frames of data in a single transmission.
Interference
Frame Aggregation
Category 5
IEEE 802.11
3. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
Wireless Bridge
Straight Through Cable
802.11a
Far End Crosstalk (FEXT)
4. The standard BOGB cable.
MDI Port
Straight Through Cable
Wireless Repeater
568B
5. These cables have Teflon coating that makes them more impervious to fire.
Advanced Encryption Standard (AES)
Plenum-rated
568A
Pin #6
6. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km
Punch-Down Tool
Wireless LAN (WLAN)
Data Emanation
100Base-FX
7. 64-bit encryption level
Near End Crosstalk (NEXT)
Wired Equivalent Privacy (WEP)
Straight Through Cable
Wireless LAN (WLAN)
8. 568B = Brown - 568A = Brown - BOGB = Brown
TIA/EIA
Continuity Tester
Pin #8
802.11b
9. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency
Crosstalk
Wireless Bridge
Frame Aggregation
802.11a
10. 568B = White/orange - 568A = White/green - BOGB = White/blue
Shielded Twisted Pair (STP) Cables
Pin #1
Electromagnetic Interference (EMI)
Ad-hoc/P2P Mode
11. 568B = Orange - 568A = Green - BOGB = Blue
Pin #2
Wireless Repeater
Temporal Key Integrity Protocol (TKIP)
Unshielded Twisted Pair (UTP)
12. The older standard BOGB cable.
Pin #4
Interference
Crossover Cable
568A
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 #5
Punch-Down Tool
Advanced Encryption Standard (AES)
14. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
UTP
Frame Aggregation
Electromagnetic Interference (EMI)
Near End Crosstalk (NEXT)
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.
Service Set Identifier (SSID)
802.11g
Crosstalk
802.11a
16. 128- -192- - and 256-bit
Advanced Encryption Standard (AES)
802.11a
Crossover Cable
Multi-mode (MM)
17. 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
Punch-Down Tool
Interference
568B
18. To test a cable - what tool would you use?
11 Mbps
Wired Equivalent Privacy (WEP)
Continuity Tester
Infrastructure Mode
19. Port based network access control (PNAC)
Category 5e Cable Type
Crosstalk
802.11a
IEEE 802.1X
20. 128-bit encryption level
Category 3 Cable Type
802.11a
Pin #4
Temporal Key Integrity Protocol (TKIP)
21. 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.
Pin #6
Straight Through Cable
802.11b
Pin #7
22. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.
Port Based Network Access Control (PNAC)
Pin #8
802.11n
IEEE 802.11
23. What is the most common cable used today?
Punch-Down Tool
IEEE 802.11
Category 3 Cable Type
UTP
24. Regular twisted-pair cabling
Pin #3
568A
Fiber
Unshielded Twisted Pair (UTP)
25. 568B = White/green - 568A = White/orange - BOGB = White/orange
WPA2
Pin #8
802.11g
Pin #3
26. The signal degrades to such a point that it cannot be interpreted by the destination host.
UTP
Attenuation
WPA2
Fiber Optic Cable
27. Which of the following is not a characteristic of 802.11n?
Category 5
Radio Frequency Interference (RFI) Protection
Category 6 Cable Type
Twisted Pair Cables
28. Used to extend the coverage of a wireless network.
Wireless Network Adapters
568B
Crossover Cable
Wireless Repeater
29. 10 Mbps
Category 3 Cable Type
11 Mbps
Category 5 Cable Type
Temporal Key Integrity Protocol (TKIP)
30. 256-bit encryption level
Pin #7
Wi-Fi Protected Access (WPA2)
Data Emanation
Fiber
31. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
MDI Port
568B
Near End Crosstalk (NEXT)
TIA/EIA
32. Medium dependent interface.
Wi-Fi Protected Access (WPA2)
MDI Port
568B
11 Mbps
33. This means that wireless devices can have more antennas - up to four maximum.
Infrastructure Mode
Multiple-Input Multiple Output (MIMO)
Crossover Cable
Punch-Down Tool
34. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.
Category 5e Cable Type
Plenum-Rated
UTP
Category 5
35. This is interference that can come from AM/FM transmissions and cell phone towers.
Crosstalk
UTP
Unshielded Twisted Pair (UTP)
Radio Frequency Interference (RFI)
36. 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
802.11b
Ad-hoc/P2P Mode
Single-mode (SM)
37. 568B = White/brown - 568A = White/brown - BOGB = White/brown
Pin #7
568B
Pin #5
802.11n
38. What do you call it when electrical signals jump to another set of wires?
Frame Aggregation
568A
Multi-mode (MM)
Crosstalk
39. Provides strong authentication to devices that need to connect to the WLAN; it can also be used for regular wired LANs.
Advanced Encryption Standard (AES)
Port Based Network Access Control (PNAC)
Data Emanation
Pin #8
40. 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.
Plenum-rated
802.1x
Wireless Network Adapters
Multi-mode (MM)
41. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
Radio Frequency Interference (RFI)
568A
568B
Multiple-Input Multiple Output (MIMO)
42. What is the maximum speed supported by 802.11g?
MDI-X
Attenuation
Pin #7
54 Mbps
43. Telecommunications Industry Association/Electronics Industries Alliance
Fiber Optic Cable
Wired Equivalent Privacy (WEP)
Pin #3
TIA/EIA
44. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Faraday Cage
Plenum-rated
Fiber Optic Cable
Category 5e Cable Type
45. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Category 3 Cable Type
Pin #3
Near End Crosstalk (NEXT)
Category 5
46. 568B = White/blue - 568A = White/blue - BOGB = White/green
Wireless Network Adapters
Pin #5
IEEE 802.1X
Pin #1
47. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency
MDI Port
802.11n
Punch-Down Tool
802.1x
48. For organizations - using - authentication for wireless networks is recommended.
Twisted Pair Cables
Port Based Network Access Control (PNAC)
802.1x
Near End Crosstalk (NEXT)
49. 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.
Electromagnetic Interference (EMI)
TIA/EIA
WPA2
Infrastructure Mode
50. 100 Mbps
Category 5 Cable Type
Pin #1
Pin #7
Advanced Encryption Standard (AES)