Summary
The networking rules are ever-changing and fast-paced. Becoming a Network Engineer can be a lot of fun and provide a very profitable source of income. This chapter should be all you need to take your first steps in this exciting world of networking. In this chapter, you learned the following:
The TCP/IP protocol suite forms the basis of the Internet.
An IP address has a host part and a network part. The decision of which bits are in which part is based on the netmask.
Routing is the process by which packets travel from one network to another. Most networks have a single default router that connects them to another, upstream network.
The main tools for troubleshooting TCP/IP problems are ping, traceroute, and tcpdump.
Linux provides several ...
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