3: Thorough discussion of the use of sandboxing in the operating system. 2: Some understanding of the advantages and/or disadvantages. 1: Identifies a feature of sandboxing.

Sandboxing allows each application to be isolated so that it cannot pose a security risk by accessing system resources or other applications. However, it requires more resources as each application requires its own container. It may also be less convenient for users to access resources such as the device's camera or files as the sandbox will either prevent access or make it more difficult.