Name: 
 

Media and Access Methods Test Review


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
More secure
a.
Bounded
b.
Boundless
 

 2. 
Wireless
a.
Bounded
b.
Boundless
 

 3. 
This can best be defined as the software that allows the computer to talk to the network.
a.
Protocols
b.
Transmission media
c.
Control panels
d.
Network operating system
 

 4. 
This part of the network defines the "rules" for communication.
a.
Protocols
b.
Transmission Media
c.
Connectivity Devices
d.
Network operating system
 

 5. 
This contention based access method listens to the cabling before sending out data onto the medium.
a.
CSMA/CA
b.
CSMA/CD
c.
Polling
d.
Token Passing
 

 6. 
This access method is used by 802.11.
a.
CSMA/CA
b.
CSMA/CD
c.
Polling
d.
Token Passing
 

 7. 
This access method is the most commonly used.
a.
CSMA/CA
b.
CSMA/CD
c.
Polling
d.
Token Passing
 

 8. 
This contention based access method sends out a dummy packet before it sends data.
a.
CSMA/CA
b.
CSMA/CD
c.
Polling
d.
Token passing
 

 9. 
This is described as the weakening of a signal the further it gets from its transmission point.
a.
broadband
c.
attenuation
b.
bandwidth
d.
emi
 

 10. 
mc010-1.jpg
a.
Fiber optic
c.
UTP cable
b.
Coaxial cable
d.
STP cable
 

 11. 
mc011-1.jpg
a.
Fiber optic
c.
UTP cable
b.
Coaxial cable
d.
STP cable
 

 12. 
mc012-1.jpg
a.
Fiber optic
c.
UTP cable
b.
Coaxial cable
d.
STP cable
 

 13. 
This is a wireless security protocol that was developed with 802.11b and encrypts data for end to end protection.
a.
LAWN
c.
WPN
b.
WAP
d.
WEP
 

 14. 
Runs at 11 Mbps
a.
802.11
c.
802.11b
b.
802.11a
d.
802.11g
 

 15. 
Runs at up to 108 Mbps
a.
802.11
c.
802.11b
b.
802.11a
d.
802.11g
 

 16. 
Which is more reliable?
a.
contention
b.
polling
 

 17. 
In a token ring network, what must a computer do before transmitting data?
a.
Listen to the media
c.
Wait for the beaconing frame and capture it
b.
Capture a frame called a token
d.
It sends data out at random intervals and does not wait for anything
 

 18. 
This kind of fiber uses a larger core that allows multiple beams of light to show through.
a.
Single mode
c.
Flashlight mode
b.
Multi mode
d.
Fiber mode
 

 19. 
mc019-1.jpg
a.
RJ45
c.
IBM Data Connector
b.
RJ11
d.
BNC
 

 20. 
What is a signal in communications?
a.
A frame
c.
Transmission media
b.
A packet
d.
Transmission of data
 

 21. 
As an analog signal is transmitted across a wire:
a.
It picks up more and more noise
c.
It gets weaker due to less noise
b.
It gets stronger
d.
It interferes with flourescent lights
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 22. 
Select all characteristics of baseband communications
 a.
 One channel used for all communications
 d.
Multiplex communication
 b.
Half duplex
 e.
Multiple channels used for communication
 c.
Full duplex
 

 23. 
This kind of network uses contention based access methods
 a.
Ethernet
 c.
BUS
 b.
Token ring
 d.
Appletalk
 

 24. 
Which of these are true of a CSMA/CD network?
 a.
Works best with a high traffic network
 d.
Works best with low traffic network
 b.
Is a contention method network
 e.
Works in a BUS network
 c.
Works with ethernet
 f.
Can be broken up with switches
 

 25. 
Which of these are true of a CSMA/CA network?
 a.
Works best with a high traffic network
 e.
Works in a BUS network
 b.
Is a contention method network
 f.
Can be broken up with switches
 c.
Works with PANs
 g.
Appletalk/Localtalk
 d.
Works best with low traffic network
 

 26. 
Which of the following can cause intermittent network communication problems?
 a.
A bad port on a switch
 d.
Overly-twisted cable at the end of a wire
 b.
A poorly terminated cable
 e.
Untwisted cable at the end of a wire
 c.
A mislabeled cable
 f.
A faulty RAID subsystem
 

 27. 
mr027-1.jpg
 a.
Analog
 d.
Is a discrete wave form
 b.
Digital
 e.
Is a series of on and off (at its very basic level.
 c.
Gathers “noise” the further it gets from the source
 

 28. 
mr028-1.jpg
 a.
Analog
 d.
Is a discrete wave form
 b.
Digital
 e.
Is a series of on and off (at its very basic level.
 c.
Gathers “noise” the further it gets from the source
 
 
nar001-1.jpg

Image 1
 

 29. 
In EIA/TIA A which cable(s) transmit+
 a.
a
 c.
c
 b.
b
 d.
d
 

 30. 
In EIA/TIA A which cable(s) unused?
 a.
a
 c.
c
 b.
b
 d.
d
 
 
nar002-1.jpg

Image 2
 

 31. 
In EIA/TIA A which cable(s) receive+?
 a.
a
 c.
c
 b.
b
 d.
d
 

 32. 
In EIA/TIA A which cable(s) unused?
 a.
a
 c.
c
 b.
b
 d.
d
 
 
nar003-1.jpg

Image 3
 

 33. 
In EIA TIA B, which cable(s) unused?
 a.
A
 c.
C
 b.
B
 d.
D
 
 
nar004-1.jpg

Image 4
 

 34. 
In EIA TIA B which cable(s) unused?
 a.
A
 c.
C
 b.
B
 d.
D
 

 35. 
In EIA TIA B which cable(s) receive+?
 a.
A
 c.
C
 b.
B
 d.
D
 

Completion
Complete each statement.
 

 36. 
CSMA/CA is a collision ____ method of access.
 

 

 37. 
When installing UTP above a drop ceiling, you must use ____ rated cable.
 

 

 38. 
In a ____ based LAN computers must wait for a special frame before they can transmit data      .
 

 

 39. 
In UTP and STP cabling, these actually are used to reduce interference or “crosstalk” between the cables.
 

 

 40. 
__________ wave forms are discreate states of on and off.
 

 

Matching
 
 
Wireless Networking
a.
Radio
e.
802.11g
b.
Microwave
f.
Infrared
c.
Satellite
g.
WAP
d.
802.11b
h.
WEP
 

 41. 

 Transmits at 11Mbps
 

 42. 

 Travels at 100Ghz to 1Ghz through the air
 

 43. 

 Uses either broadcast or point to point and runs at 10-16Mbps
 

 44. 

 Requires line of site and licensing approval
 

 45. 

 A protected access protocol for Wi-Fi
 

 46. 

 Transmits at 54Mbps or 108Mbps
 

 47. 

 Very expensive! Most companies lease space from other companies.
 

 48. 

 A better Wi-Fi protocol that is supposed to be the equivalent of wired
 



 
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