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