The single question running through this week was "how much do you treat the build environment like code?" buildspec.yml expresses the build procedure, cache strategy expresses build speed, secrets configuration expresses the security boundary, and VPC mode expresses the network boundary — all as code. Add ARM builds and even architecture selection moves inside the build pipeline.
The DOP-C02 exam does not ask about these elements separately. It asks in integrated form: "given these constraints at this company, which configuration is correct?" Today we practice that integrated judgment