(b) assign a managed identity to the azure app configuration instance and (d) configure managed identity permission to access the azure key vault are the two actions that need to perform for this situation.
What is the azure key vault?
By leveraging keys that are guarded by hardware security modules, Microsoft Azure Key Vault, a cloud-hosted management solution, enables customers to encrypt keys and tiny secrets (HSMs). Small secrets include passwords and other data that is less than 10 KB in size. PFX documents
Both managed hardware security module (HSM) pools and vaults are supported by the Key Vault service. Keys, secrets, and certificates secured by an HSM can be stored in vaults. Managed HSM pools only accept keys with an HSM backup.
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