Monday, October 11, 2010
Review Questions
Q—What are the layers of the OSI model?
A—Application, presentation, session, transport, network, data link, physical. Remember the sentence "All people seem to need data processing."
Q—Which layer determines path selection in an internetwork?
A—Layer 3, the network layer.
Q—What types of things are defined at the physical layer?
A—Voltage levels, time of voltage changes, physical data rates, maximum transmission distances, physical connectors, and type of media.
Q—What is one method of mapping network addresses to MAC addresses?
A—ARP, Hello, predictable.
Q—Which includes more overhead, connection-oriented or connectionless services?
A—Connection-oriented.
For More Information
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A—Application, presentation, session, transport, network, data link, physical. Remember the sentence "All people seem to need data processing."
Q—Which layer determines path selection in an internetwork?
A—Layer 3, the network layer.
Q—What types of things are defined at the physical layer?
A—Voltage levels, time of voltage changes, physical data rates, maximum transmission distances, physical connectors, and type of media.
Q—What is one method of mapping network addresses to MAC addresses?
A—ARP, Hello, predictable.
Q—Which includes more overhead, connection-oriented or connectionless services?
A—Connection-oriented.
For More Information
Cisco's web site (www.cisco.com) is a wonderful source for more information about these topics. The Documentation section includes in-depth discussions on many of the topics covered in this chapter.
Teare, Diane. Designing Cisco Networks. Indianapolis: Cisco Press, July 1999.
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