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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. When you pick up your wireless phone - your computer drops network connectivity. What could be the cause of the problem?
UTP
Wireless Network Adapters
Unshielded Twisted Pair (UTP)
Radio Frequency Interference (RFI)
2. In order to ensure compatibility - the WAP and other wireless devices must all use the same __________.
Unshielded Twisted Pair (UTP)
Radio Frequency Interference (RFI)
MDI-X
IEEE 802.11
3. Multi-mode fiber (The Medium) - Half duplex: 400 meters; full duplex: 2 km - Single-mode fiber (The Medium) - Full duplex: 10km
Pin #7
100Base-FX
Pin #6
54 Mbps
4. You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use?
Infrastructure Mode
Twisted Pair Cables
Punch-Down Tool
Multiple-Input Multiple Output (MIMO)
5. Transmits light (photons) instead of electricity - and this light is transmitted over glass or plastic.
Category 5e Cable Type
802.11n
802.1x
Fiber Optic Cable
6. Medium dependent interface.
Multi-mode (MM)
MDI-X
Pin #1
MDI Port
7. These cables have Teflon coating that makes them more impervious to fire.
MDI-X
MDI-X
MDI Port
Plenum-rated
8. 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.
Punch-Down Tool
MDI-X
IEEE 802.1X
Pin #2
9. Occurs when there is measured interference between two pairs in a single cable - measured on the cable end nearest the transmitter.
Near End Crosstalk (NEXT)
Radio Frequency Interference (RFI)
Category 5 Cable Type
MDI-X
10. 54 Mbps (Data Transfer Rate) and 5 GHz Frequency
Wired Equivalent Privacy (WEP)
WPA2
Punch-Down Tool
802.11a
11. The older standard BOGB cable.
Fiber Optic Cable
Pin #4
Radio Frequency Interference (RFI) Protection
568A
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.
Single-mode (SM)
Crosstalk
Category 5
100Base-FX
13. What is the most common cable used today?
Wireless LAN (WLAN)
Twisted Pair Cables
Radio Frequency Interference (RFI)
UTP
14. 568B = White/green - 568A = White/orange - BOGB = White/orange
MDI-X
Multiple-Input Multiple Output (MIMO)
Pin #3
Category 5 Cable Type
15. What is the minimum category of twisted-pair cable you need to support 100 Mbps?
Multiple-Input Multiple Output (MIMO)
Fiber Optic Cable
Category 5
IEEE 802.1X
16. Medium dependent interface crossover
MDI Port
Pin #7
MDI-X
Pin #5
17. What type of cable should be used as part of a fire code for a building?
IEEE 802.11
100Base-FX
Plenum-Rated
Interference
18. What is the maximum speed supported by 802.11b?
Data Emanation
Multiple-Input Multiple Output (MIMO)
11 Mbps
Plenum-rated
19. 54 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
Plenum-rated
Service Set Identifier (SSID)
802.11g
Wireless Network Adapters
20. This means that wireless devices can have more antennas - up to four maximum.
IEEE 802.1X
Multiple-Input Multiple Output (MIMO)
568B
Wireless Network Adapters
21. Which of the following is not a characteristic of 802.11n?
Data Emanation
Twisted Pair Cables
Radio Frequency Interference (RFI) Protection
Electromagnetic Interference (EMI)
22. 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?
IEEE 802.11
Continuity Tester
Punch-Down Tool
Fiber
23. Provides strong authentication to devices that need to connect to the WLAN; it can also be used for regular wired LANs.
Attenuation
IEEE 802.1X
Port Based Network Access Control (PNAC)
Continuity Tester
24. A network composed of at least one WAP and at least one computer or handheld device that can connect to the WAP.
Fiber
IEEE 802.11
Continuity Tester
Wireless LAN (WLAN)
25. Used to extend the coverage of a wireless network.
802.11a
Category 5 Cable Type
Wireless Repeater
Pin #1
26. To test a cable - what tool would you use?
Service Set Identifier (SSID)
Category 5
Shielded Twisted Pair (STP) Cables
Continuity Tester
27. 128-bit encryption level
Pin #1
Temporal Key Integrity Protocol (TKIP)
Faraday Cage
BOGB Colors
28. 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)
Crosstalk
568B
Wireless Network Adapters
29. If you are making a crossover cable and one end is 568A - what should the other end be?
802.1x
Wireless Network Adapters
568B
54 Mbps
30. Regular twisted-pair cabling
Crosstalk
Unshielded Twisted Pair (UTP)
Single-mode (SM)
568B
31. 10 Mbps
Category 3 Cable Type
Wired Equivalent Privacy (WEP)
Crossover Cable
Continuity Tester
32. Occurs when all of the clients communicate directly with each other. There is no base or wireless access point.
Pin #3
Near End Crosstalk (NEXT)
MDI-X
Ad-hoc/P2P Mode
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.
Wireless Repeater
802.11b
Multi-mode (MM)
BOGB Colors
34. Blue - orange - green and brown.
MDI-X
BOGB Colors
Pin #6
Wireless Repeater
35. 11 Mbps (Data Transfer Rate) and 2.4 GHz Frequency
802.11b
Unshielded Twisted Pair (UTP)
Continuity Tester
Multi-mode (MM)
36. Gigabit networks. Has different versions that run at 250 MHz and 500 MHz.
Infrastructure Mode
IEEE 802.11
Category 6 Cable Type
Electromagnetic Interference (EMI)
37. 128- -192- - and 256-bit
Advanced Encryption Standard (AES)
568B
Wireless Bridge
Interference
38. This is interference that can come from AM/FM transmissions and cell phone towers.
Radio Frequency Interference (RFI)
802.1x
Plenum-rated
Wired Equivalent Privacy (WEP)
39. Port based network access control (PNAC)
IEEE 802.11
100Base-FX
Data Emanation
IEEE 802.1X
40. The signal degrades to such a point that it cannot be interpreted by the destination host.
Wi-Fi Protected Access (WPA2)
Attenuation
Single-mode (SM)
Punch-Down Tool
41. 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.
IEEE 802.11
Fiber Optic Cable
Crosstalk
BOGB Colors
42. What is the maximum speed supported by 802.11g?
Pin #4
54 Mbps
Temporal Key Integrity Protocol (TKIP)
802.11a
43. 100 Mbps
Continuity Tester
Category 5 Cable Type
IEEE 802.11
BOGB Colors
44. What do you call it when electrical signals jump to another set of wires?
11 Mbps
Crosstalk
Radio Frequency Interference (RFI)
568A
45. 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
Radio Frequency Interference (RFI)
802.11b
Faraday Cage
Plenum-Rated
46. 568B = Blue - 568A = Blue - BOGB = Orange
Punch-Down Tool
WPA2
Near End Crosstalk (NEXT)
Pin #4
47. The standard BOGB cable.
Faraday Cage
568B
Plenum-rated
Service Set Identifier (SSID)
48. If you want to connect a computer directly to another computer without using a switch - you use a _____________.
Pin #6
Pin #8
Crossover Cable
Temporal Key Integrity Protocol (TKIP)
49. 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
Service Set Identifier (SSID)
Crossover Cable
Category 5 Cable Type
50. 568B = Brown - 568A = Brown - BOGB = Brown
Fiber Optic Cable
Ad-hoc/P2P Mode
Category 5
Pin #8