Chapter 8
Network Layer
Objectives
Upon completion of this chapter, you will be able to answer the following questions:
How does the network layer use IP protocols for reliable communications?
What is the role of the major header fields in the IPv4 packet?
What is the role of the major header fields in the IPv6 packet?
How do network devices use routing tables to direct packets to a destination network?
What is the function of fields in the routing table of a router?
Key Terms
This chapter uses the following key terms. You can find the definitions in the glossary at the end of the book.
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