The correct answer is D — Upgrade the remaining end-of-life machines.
As outlined in WGU Cybersecurity Architecture and Engineering (KFO1 / D488), the best way to address end-of-life systems is to upgrade them to supported versions. End-of-life systems no longer receive security patches, leaving them highly vulnerable. Upgrading restores security and compliance.
Shutting down (A), disconnecting (B), or blocking (C) are temporary solutions that may disrupt operations but do not solve the root problem.
Reference Extract from Study Guide:
"Upgrading end-of-life systems is critical to restoring security and compliance, as unsupported systems are vulnerable to exploitation."
— WGU Cybersecurity Architecture and Engineering (KFO1 / D488), Vulnerability Management and Remediation
=============================================
Contribute your Thoughts:
Chosen Answer:
This is a voting comment (?). You can switch to a simple comment. It is better to Upvote an existing comment if you don't have anything to add.
Submit