Summary
This chapter was either a quick foundation or a brief review on the fundamentals of networking and routing. All networks require a certain amount of common information with which to operate. Early discussion focused on learning about the structure of networking as found in the OSI reference model. Upon this structure, the TCP/IP protocol suite was presented; this protocol suite is the de facto communication standard of the Internet.
The discussion about IP addressing provided an overview of how addresses are classified. Several commonly used techniques were presented to help you better manage your IP addresses: subnet masking, VLSM, and CIDR. You also learned about the physical layout of networks. This chapter also established the physical ...