A company has just experienced an outage in their environment as a result of a configuration change that propagated across the entire environment.
What would you recommend to prevent similar outages in the future?
A. Standardize the environment on a single operating system to reduce risk and simplify changes
B. Mandate that all configuration changes comply with FIPS Level 3
C. Encrypt all configuration management servers and configure ACLs to allow access to only a subset of administrators
D. Configure resources to a known state and use a CMDB to ensure that the initial state is maintained