How many distinct security domains does the CDSS system support for firewall services?

The correct answer indicates that the CDSS (Critical Decision Support System) supports five distinct security domains for firewall services. Each domain represents a separate area within the system where security policies, controls, and processes can be implemented to protect the integrity and confidentiality of the information being processed. This multi-domain approach allows for varied security measures and tailored configurations based on the unique needs of each domain while facilitating improved monitoring and management of security risks.

Understanding this five-domain structure is crucial because it highlights the complexity and robustness of the security architecture in systems like CDSS. This is particularly important for organizations with diverse operational environments requiring varied security postures. The division into five domains is a strategic decision to ensure that all potential vulnerabilities are addressed, thus providing a comprehensive security framework to protect against threats.