Final answer:
Incident response is a key focus area in the security and risk management domain, while network configuration, project management, and software development may involve security tasks, they are not primary focuses of this domain.
Step-by-step explanation:
The key focus areas of the security and risk management domain are those that pertain to protecting information systems and managing the risks associated with them. This encompasses a variety of activities aimed at ensuring confidentiality, integrity, and availability of data.
From the options provided:
C) Incident response is a key focus area as it involves the processes and procedures that an organization follows after a security breach or cyber attack. This also includes the steps taken to handle the situation and prevent future incidents.
A) Network configuration can also be relevant to security, but it's generally considered more technical and specific than a broad domain focus.
B) Project management is not specifically a security function, although it might be related to managing security initiatives.
D) Software development can include important security components, such as secure coding practices, but by itself, it is not a primary focus area of security and risk management.