In a virtualized environment, what should be implemented per virtual system component?

In a virtualized environment, what should be implemented per virtual system component?

• A. Multiple primary functions per virtual system component
• B. No primary functions on virtual components
• C. Only 1 primary function per virtual system component
• D. Primary functions should be distributed across the same VM

Answer: (C)

In virtualization, giving each virtual system component a single, defined role keeps things tightly scoped and easier to secure. When a VM is dedicated to one primary function, security controls can be precisely tuned for that role, monitoring and patching become straightforward, and containment is clearer if a component is compromised. This also helps manage PCI DSS scope, since separating functions reduces cross-function data flows and the likelihood of mixing different security requirements within one VM. Conversely, packing multiple primary functions into one virtual component blends responsibilities, increases complexity, and widens the potential blast radius if issues arise. A VM without a distinct function isn’t practical, and spreading functions across the same VM undermines isolation and containment.

In virtualization, giving each virtual system component a single, defined role keeps things tightly scoped and easier to secure. When a VM is dedicated to one primary function, security controls can be precisely tuned for that role, monitoring and patching become straightforward, and containment is clearer if a component is compromised. This also helps manage PCI DSS scope, since separating functions reduces cross-function data flows and the likelihood of mixing different security requirements within one VM. Conversely, packing multiple primary functions into one virtual component blends responsibilities, increases complexity, and widens the potential blast radius if issues arise. A VM without a distinct function isn’t practical, and spreading functions across the same VM undermines isolation and containment.