AZ-500 · Question #22
You are configuring an Azure Kubernetes Service (AKS) cluster that will connect to an Azure Container Registry. You need to use the auto-generated service principal to authenticate to the Azure…
The correct answer is B. an Azure Active Directory (Azure AD) role assignment. Explanation Creating an Azure AD role assignment grants the AKS cluster's auto-generated service principal the necessary permissions (specifically the AcrPull role) to authenticate and pull images from the Azure Container Registry - this is the standard, built-in RBAC mechanism…
Question
Options
- Aan Azure Active Directory (Azure AD) group
- Ban Azure Active Directory (Azure AD) role assignment
- Can Azure Active Directory (Azure AD) user
- Da secret in Azure Key Vault
How the community answered
(24 responses)- B92% (22)
- C4% (1)
- D4% (1)
Explanation
Explanation
Creating an Azure AD role assignment grants the AKS cluster's auto-generated service principal the necessary permissions (specifically the AcrPull role) to authenticate and pull images from the Azure Container Registry - this is the standard, built-in RBAC mechanism for authorizing one Azure resource to access another. An Azure AD group (A) is used to organize users or service principals together, but simply creating a group doesn't grant any access permissions to the registry. An Azure AD user (C) represents a human identity and is irrelevant here since AKS uses a service principal, not a user account, for automated authentication. Azure Key Vault (D) is used for storing secrets and credentials, but AKS-to-ACR authentication via a service principal relies on RBAC role assignments, not manually stored secrets.
Memory Tip: Think "Role = Permission." Whenever you need one Azure service to access another, you assign a role to its identity - just remember the phrase: "Grant the SP the AcrPull role." If it's about access control between Azure services, a role assignment is almost always the answer.
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