Questions for Chapter 5
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What is the primary function of the data link layer?
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What some possible services provided by the data link layer?
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What three kinds of problems must the data link layer deal with?
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What are the two general types of links?
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What is the difference between half-duplex and
full-duplex links?
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How does 2-dimensional parity work?
What can it do that simple parity cannot do?
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What is the purpose of a multiple access protocol.
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What is the advantage of random access multiple access
protocols over channel partitioning multiple access
protocols?
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Briefly describe the Ethernet multiple access protocol.
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What protocol is used for translating IP addresses to MAC addresses?
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What service does the Address Resolution Protocol provide?
Be specific.
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In which layers do each of the following devices operate?
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Why are switches replacing hubs in organizations local area networks?
Why are routers sometimes used?
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What is a common use for the Point-to-Point Protocol?
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How can an ATM network serve as a virtual link in the internet?