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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 2Question 14
    Medium1 markMultiple Choice
    Domain 1.4: Application IdentitiesDomain 1Managed IdentityKey VaultSecurity

    AZ-305 · Question 14 · Domain 1.4: Application Identities

    You are designing an application architecture where an application running on an Azure Virtual Machine needs to retrieve database connection strings securely from Azure Key Vault.

    The security team mandates that no credentials or secrets used to authenticate to the Key Vault can be stored in the VM's code or configuration files. The identity used must be tied to the lifecycle of the VM.

    Which identity solution should you use?

    Answer options:

    A.

    User-assigned Managed Identity

    B.

    System-assigned Managed Identity

    C.

    Service Principal with a client secret

    D.

    Service Principal with a certificate

    How to approach this question

    Differentiate between System-assigned (tied to resource lifecycle) and User-assigned (independent lifecycle) managed identities.

    Full Answer

    B.System-assigned Managed Identity✓ Correct
    System-assigned Managed Identity
    Managed identities eliminate the need for developers to manage credentials. A System-assigned managed identity is tied directly to the Azure resource (in this case, the VM). When the VM is deleted, the identity is automatically cleaned up. A User-assigned managed identity is created as a standalone Azure resource and has its own lifecycle, meaning it persists even if the VM is deleted.

    Common mistakes

    Confusing system-assigned and user-assigned identities. Remember: System = 1:1 relationship with resource lifecycle. User = 1:Many relationship, independent lifecycle.
    Question 13All questionsQuestion 15

    Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 2

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