CompTIA Security+ SY0-701 Practice Question
In the event of a planned software upgrade impacting the critical infrastructure of a financial institution's transaction system, which of these actions is MOST crucial to ensure the upgrade can be rolled back without affecting the normal operational capability and security of the system?
Establish a detailed backout plan in case the upgrade fails.
Maintain strict version control during the upgrade process.
Ensure effective communication with stakeholders about the upgrade.
Update all operational documentation prior to the upgrade.