Your company is migrating its production systems to Google Cloud. You need to implement site reliability engineering (SRE) practices during the migration to minimize customer impact from potential future incidents. Which two SRE practices should you implement? (Choose two.)

A. Create up-to-date playbooks with instructions for debugging and mitigating issues. B. Ensure that all teams can modify the production environment to resolve issues. C. Create an alerting mechanism for your SRE team based on your system's internal behavior. D. Automate common tasks to analyze key impact information and intelligently suggest mitigating actions for the on-call team. E. Ensure that full autonomy and permissions are only granted to the on-call team.