Fundamentals of Communications and Networking, 3rd Edition

CHAPTER SUMMARY

This chapter presented network services needed to implement a production IP data network. We reviewed physical topologies and learned that topologies are dependent on the physical environment, number of remote locations, and number of endpoints. We identified mission-critical network services such as DNS, NTP, and DHCP. These services are foundational for an IP network of any size.

You also learned about the different network devices and their functions, as well as where to place these network devices in the backbone, distribution, edge, or virtual network environments.

Access control essentials, which include identification, authorization, authentication, and accounting, were discussed. This included multifactor authentication ...