Summary

During the course of this chapter, you have explored the roles and functions of a wide range of networking devices and security appliances that are commonly implemented within organizations to forward traffic between a source and a destination. Additionally, you have explored the need for security appliances and solutions such as firewalls, IDSs, and IPSs within a network. Lastly, you have gained insights into the type of devices that are connected to a network, such as IoT devices.

I hope this chapter has been informative for you and is helpful in your journey toward learning about networking and becoming a network professional. In the next chapter, Chapter 9, Routing and Switching Concepts, you will explore various routing protocols and how they work to ensure routers are able to forward packets to their destinations, and various switch configurations that are used to segment a physical network to improve performance.