This section is to encourage you to understand the overall aims of a home network as opposed to a business network. It will test you about the advantages and disadvantages of each type of network.
This section is not so much about network devices, as that is covered in other parts of the course, but rather about what kind of outcome is expected when putting together a network.
The exam question will be scenario based. It will set up a 'story' and you then need to discuss the topic covered..
This mini-web explains one approach to answering this type of question.