December
1998 QUESTION 4 Total Marks: 20 Marks |
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| LAN are able to deliver data quickly and
reliably over short distances. One of the most frequently used LAN Medium Access Control
methods is CSMA/CD.
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| (a) | What is the full form of the acronym
CSMA/CD? Describe the basic operation of this method of access.
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[7] |
| (b) | What is the standard defined by IEEE for this
type of Access Control called?
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[2] |
| (c) | Give the standard frame format for
CSMA/CD.
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[6] |
| (d) | What is the IEEE definition for token-ring networks? Describe this type of network with the aid of a diagram? | [5] |