Exam 350-201 topic 1 question 123 discussion

D. the ability to set the target environment configuration regardless of the starting state is idempotence. In other words, performing the same operation multiple times should have the same effect as performing it only once. This is a key property of automation and infrastructure-as-code systems, where the desired state of a system is defined and then automatically applied to ensure that it is always in the correct state, regardless of its current state. - ChatGPT

idempotence can be used to describe the ability to set the target environment configuration regardless of the starting state. This is a common use case in configuration management and infrastructure as code, where you want to ensure that your infrastructure is in a known, desired state. By using idempotent operations and scripts, you can repeatedly apply the same configuration to a system without worrying about the current state of the system, and be confident that the final state will be the same.

Idempotence, the ability of a given operation to always produce the same result, is an important IaC principle. A deployment command always sets the target environment into the same configuration, regardless of the environment's starting state. Idempotency is achieved by either automatically configuring the existing target, or by discarding the existing target and recreating a fresh environment.

D is correct https://learn.microsoft.com/en-us/devops/deliver/what-is-infrastructure-as-code

D. the ability to set the target environment configuration regardless of the starting state