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CIS131 Chapter 5 Homework

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

 1. 

How many bytes is the preamble?
a.
4
c.
8
b.
32
d.
64
 

 2. 

You make your data street legal by placing it in a ________
a.
Packet
c.
Bucket
b.
Car
d.
Frame
 

 3. 

___________ is the process of taking the data and putting it inside an Ethernet frame?
a.
Encapsulation
c.
Framing
b.
Enveloping
d.
Wrapping
 

 4. 

What is it called when two or more electrical signals travel over the same pair?
a.
Interference
c.
Accident
b.
Collision
d.
Malfunction
 

 5. 

When a node transmits it also send data to it’s own receiving pair using the ___________
a.
carrier connection
c.
loopback circuit
b.
link bit
d.
flux capacitor
 

 6. 

What kind of signal is sent out when a collision is detected?
a.
Jamming
c.
Collision
b.
Stop
d.
Pause
 

 7. 

When a frame is picked up by a computer, what field in the header does it look at to determine if the frame was sent to it?
a.
Source address field
c.
Preamble
b.
Destination address field
d.
Length field
 

 8. 

A single hexadecimal number can represents a ____ digit binary number.
a.
7
c.
2
b.
4
d.
3
 

 9. 

How many bits is an Ethernet Address?
a.
6
c.
32
b.
48
d.
4
 

 10. 

What is the FCS field used for?
a.
Error detection
c.
Error trapping
b.
Error correction
d.
Error signaling
 

 11. 

How many bytes is the FCS frame?
a.
32
c.
4
b.
24
d.
3
 

 12. 

What layer of the OSI model is responsible for Error Recovery?
a.
Layer 3
c.
Layer 7
b.
Layer 4
d.
Layer 2
 

 13. 

What layer of the OSI model is responsible for Error Detection?
a.
Layer 3
c.
Layer 7
b.
Layer 4
d.
Layer 2
 

 14. 

What company was not one of the three that originally developed Ethernet?
a.
IBM
c.
Xerox
b.
Digital
d.
Intel
 

 15. 

What committee is responciple for Media Access Control?
a.
802.3 committee
c.
802.11a committee
b.
802.2 committee
d.
802.11b committee
 



 
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