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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. Medium dependent interface crossover
Wireless Network Adapters
MDI-X
802.11a
IEEE 802.1X
2. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Punch-Down Tool
Multiple-Input Multiple Output (MIMO)
Straight Through Cable
Fiber
3. What is the most secure encryption used in wireless networks?
WPA2
Fiber
MDI-X
Faraday Cage
4. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Temporal Key Integrity Protocol (TKIP)
Ad-hoc/P2P Mode
Service Set Identifier (SSID)
Interference
5. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
Advanced Encryption Standard (AES)
Crossover Cable
Radio Frequency Interference (RFI)
Infrastructure Mode
6. For organizations - using - authentication for wireless networks is recommended.
Pin #1
UTP
Wireless Bridge
802.1x
7. 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
Pin #1
Electromagnetic Interference (EMI)
Category 3 Cable Type
8. 568B = Green - 568A = Orange - BOGB = Green
Fiber
Pin #6
802.11g
Crossover Cable
9. 100 Mbps
11 Mbps
Category 5 Cable Type
Attenuation
802.11g
10. 10 Mbps
11 Mbps
Category 3 Cable Type
Interference
802.1x
11. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency
Temporal Key Integrity Protocol (TKIP)
802.11a
802.1x
Service Set Identifier (SSID)
12. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
100Base-FX
54 Mbps
Crossover Cable
568B
13. What is the most common cable used today?
Category 6 Cable Type
Continuity Tester
54 Mbps
UTP
14. 568B = White/green - 568A = White/orange - BOGB = White/orange
Service Set Identifier (SSID)
Pin #4
Port Based Network Access Control (PNAC)
Pin #3
15. 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.
Port Based Network Access Control (PNAC)
Far End Crosstalk (FEXT)
Category 5 Cable Type
MDI-X
16. The older standard BOGB cable.
Pin #4
Twisted Pair Cables
568A
UTP
17. 64-bit encryption level
Service Set Identifier (SSID)
Pin #8
Radio Frequency Interference (RFI) Protection
Wired Equivalent Privacy (WEP)
18. 100 Mbps and Gigabit networks and is usually rated at 350 MHz - but actual speed varies depending on several different networking factors.
Pin #8
Category 5e Cable Type
Punch-Down Tool
IEEE 802.1X
19. Anything that disrupts or modifies a signal that is traveling along a wire.
Advanced Encryption Standard (AES)
Interference
Wireless LAN (WLAN)
568A
20. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Fiber Optic Cable
Multi-mode (MM)
802.11a
Frame Aggregation
21. 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
802.11b
568B
Faraday Cage
Wireless Bridge
22. 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.
Port Based Network Access Control (PNAC)
Pin #3
Crosstalk
802.11n
23. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
Radio Frequency Interference (RFI)
Wireless LAN (WLAN)
Infrastructure Mode
Temporal Key Integrity Protocol (TKIP)
24. This is a disturbance that can affect electrical circuits - devices - and cables due to electromagnetic conduction and possibly radiation.
Electromagnetic Interference (EMI)
MDI Port
Fiber Optic Cable
Category 3 Cable Type
25. Regular twisted-pair cabling
Wireless Bridge
Unshielded Twisted Pair (UTP)
54 Mbps
Interference
26. 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.
Punch-Down Tool
Single-mode (SM)
Pin #1
Near End Crosstalk (NEXT)
27. 600 Mbps (Data Transfer Rate) and 5 GHz and/or 2.4 GHz Frequency
802.11n
Pin #5
MDI-X
Single-mode (SM)
28. This is interference that can come from AM/FM transmissions and cell phone towers.
Category 3 Cable Type
IEEE 802.1X
Pin #7
Radio Frequency Interference (RFI)
29. Telecommunications Industry Association/Electronics Industries Alliance
Single-mode (SM)
TIA/EIA
Radio Frequency Interference (RFI) Protection
Category 3 Cable Type
30. The sending of two or more frames of data in a single transmission.
Ad-hoc/P2P Mode
Frame Aggregation
Wired Equivalent Privacy (WEP)
Attenuation
31. 568B = Orange - 568A = Green - BOGB = Blue
Pin #2
Near End Crosstalk (NEXT)
Multi-mode (MM)
Wired Equivalent Privacy (WEP)
32. 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.
Electromagnetic Interference (EMI)
Port Based Network Access Control (PNAC)
Service Set Identifier (SSID)
Category 5
33. Similar to a wireless repeater - but the bridge can connect different 802.11 standards together; this is know as bridge mode.
Wireless Bridge
100Base-FX
Punch-Down Tool
Crossover Cable
34. 128-bit encryption level
Crosstalk
Temporal Key Integrity Protocol (TKIP)
Straight Through Cable
Far End Crosstalk (FEXT)
35. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
Crossover Cable
Near End Crosstalk (NEXT)
802.11a
Service Set Identifier (SSID)
36. The signal degrades to such a point that it cannot be interpreted by the destination host.
Port Based Network Access Control (PNAC)
Attenuation
Pin #1
Crosstalk
37. If you are making a crossover cable and one end is 568A - what should the other end be?
568B
Advanced Encryption Standard (AES)
Wireless Repeater
Shielded Twisted Pair (STP) Cables
38. Occurs when there is similar interference - measured at the cable end farthest from the transmitter.
568B
802.11a
Far End Crosstalk (FEXT)
Wireless Network Adapters
39. Gigabit networks. Has different versions that run at 250 MHz and 500 MHz.
Continuity Tester
Fiber
Pin #1
Category 6 Cable Type
40. Used to extend the coverage of a wireless network.
Wireless Repeater
Twisted Pair Cables
Service Set Identifier (SSID)
Category 5 Cable Type
41. What is the maximum speed supported by 802.11g?
100Base-FX
Near End Crosstalk (NEXT)
Wireless Repeater
54 Mbps
42. Used to connect like devices to each other - for example - a computer to another computer - or a switch to another switch.
Radio Frequency Interference (RFI)
802.11a
568B
Crossover Cable
43. Medium dependent interface.
WPA2
Continuity Tester
MDI Port
Ad-hoc/P2P Mode
44. These cables have Teflon coating that makes them more impervious to fire.
Plenum-rated
Wireless Repeater
Service Set Identifier (SSID)
IEEE 802.1X
45. Have an aluminum shield inside the plastic jacket that surrounds the pairs of wires.
Shielded Twisted Pair (STP) Cables
Temporal Key Integrity Protocol (TKIP)
Crossover Cable
BOGB Colors
46. 568B = Brown - 568A = Brown - BOGB = Brown
Pin #8
Service Set Identifier (SSID)
100Base-FX
568A
47. 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.
Service Set Identifier (SSID)
Data Emanation
11 Mbps
Category 3 Cable Type
48. 128- -192- - and 256-bit
Fiber Optic Cable
Radio Frequency Interference (RFI)
Pin #4
Advanced Encryption Standard (AES)
49. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
Crosstalk
802.11b
UTP
Wireless Network Adapters
50. 568B = Blue - 568A = Blue - BOGB = Orange
Pin #4
568B
Shielded Twisted Pair (STP) Cables
TIA/EIA