Summary

In this chapter, you learned about the importance of high availability and various techniques that network professionals use, such as creating multiple paths, implementing redundancy within the infrastructure, and using various first-hop redundancy protocols, to ensure users always have access to network resources and services when needed. Additionally, you have discovered various disaster recovery concepts, such as the need for recovery sites, support systems for both facilities and infrastructure, and creating backups of device configurations and systems.

I hope this chapter has been informative for you and is helpful in your journey toward learning networking and becoming a network professional. In the next chapter, Chapter 14, Network Security Concepts, you will learn about different types of cyber security threats and network attacks, and how to secure a wireless and wired network infrastructure using best practices and mitigation techniques.