AP Networking Unit 2: Managing My Shared Connections

Unit 1 was about one device: yours. Unit 2 hands you a whole small network, the kind that runs a home, a small office, or a school computer lab, and makes you responsible for it. Across six topics you troubleshoot it when it breaks, document every device on it, upgrade it to meet real needs, and secure it with firewalls and segmentation.

The setting is a SOHO network (small office / home office): a modem, a router, a switch or access point, and the endpoints that share them. That one step up from a single device changes the job. A slow laptop affects one person; a failing router takes out the whole lab. Evidence now comes from several devices at once, and reading that pattern is the new core skill. Each topic below has a free, in-depth study guide, an interactive practice activity, and a quiz.

The six topics

How the unit builds

The six topics follow the same arc as Unit 1, scaled up. You start by restoring a broken network (2.1), because nothing else matters while the lab is down. Then you make the network legible: documentation that names every device by its MAC and IP address (2.2). With a documented network you can improve it deliberately, choosing devices and media that fit real constraints (2.3) and adding advanced features with AI as a checked assistant, not an oracle (2.4). The last two topics turn to defense: first name the vulnerabilities and their impacts (2.5), then apply firewalls and segmentation to contain them (2.6).

What you will be able to do

• Isolate a network fault by reading which devices are affected, and restore service.
• Explain how MAC and IP addresses identify devices, and classify IPv4 address types.
• Recommend endpoint devices, transmission media, and an addressing scheme for a stated need.
• Evaluate AI-generated network advice before acting on it, and configure a media server.
• Identify SOHO vulnerabilities, their impacts, and the controls that mitigate them.
• Design a segmentation scheme and firewall placement that improve security and performance.

How to use this unit

Work through the six topics in order. The routine is the same as Unit 1: read the free study guide, do the interactive practice, then take the topic quiz and review misses against the essential knowledge. The difficulty steps up here by design. Unit 1 problems had one signal and one cause; Unit 2 problems make you combine signals, like an APIPA address on three laptops plus a dark status light on the switch, before the cause is visible.

Two habits carry over from Unit 1 and one is new. Keep diagnosing before you act, and keep matching named threats to layered controls. The new habit is document as you go: a network you have not documented is a network you cannot troubleshoot, secure, or hand to a teammate. The unit scenario grades you on exactly that.

When you finish all six topics, you are ready for the Unit 2 test and performance task, and for Unit 3, where the same skills apply to designing multi-segment networks from scratch.

Frequently asked questions

What does AP Networking Unit 2 cover?

Unit 2, Managing My Shared Connections, covers a small office / home office (SOHO) network across six topics: troubleshooting the network, documenting devices with MAC and IP addresses, upgrading devices and media, advanced features and AI-assisted configuration, identifying security needs, and securing the network with firewalls and segmentation.

How many topics are in Unit 2?

Six topics (2.1 through 2.6), each with a free study guide, interactive practice, and a quiz. It is the largest unit so far and introduces the network-level skills the rest of the course builds on.

What is a SOHO network?

SOHO stands for small office / home office: a network small enough to run on consumer equipment, typically a modem, a router, a switch or access point, and a handful of endpoint devices that share the connection.

What is the Unit 2 performance task?

Using the scenario Computer Lab Disconnected, you restore a failed lab network and deliver the documentation, upgrade recommendation, and segmentation plan that would let a teammate run the same network without you.

Do I need to finish Unit 1 first?

Yes, ideally. Unit 2 reuses Unit 1's troubleshooting loop and security vocabulary and applies them to shared infrastructure, so the single-device versions should feel automatic before you scale them up.

AP is a trademark of the College Board, which was not involved in the production of, and does not endorse, this resource.