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
Explanation:
Topic: Configuration and compliance {Network-Storage-Compute-Applications}
Training: Mod 4, Managing Virtualized Environments