Correct Answer - A.
As per AWS Well-Architected Framework, the following are the 5 pillars:
· Operational Excellence.
· Security.
· Reliability.
· Performance Efficiency.
· Cost Optimization.
Automation is not part of AWS Well-Architected Framework pillars.
Options B, C & D are incorrect as these are part of 5 Pillars of AWS Well-Architected Framework.
