A medium sized business has approached you to conduct a vulnerability assessment on their network. This is quite a large project and you are excited to start working on it$.$ The company is expecting you to follow the ISSAF extensive Penetration Testing methodology. You can use read more about the Information Systems Security Assessment Framework $($ISSAF$)$ on this link where you can find the technical guidelines, methods and tools for various scenarios and network environments. The company Information Systems environment is composed of: