A public REST API’s Lambda now requires a language field in the JSON body. Only one production Lambda function should be maintained. Legacy clients omit language. How should the DevOps team deploy?
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Mapping templates add defaults on the legacy stage while a new API serves explicit language values.
Correct answer(s): d. New API for clients that send language; add a mapping template on the existing API integration that injects "language": "English"; delete the old Lambda after cutover.
Exam domain: Domain 1: SDLC Automation (22% weight on the official guide).
Official documentation & study links
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