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An on-premises application authenticates to the Cloud Storage API using a user-managed service account with a user-managed key. The application connects to Cloud Storage via Private Google Access over a Dedicated Interconnect link. Requests to access objects in the bucket fail with a 403 Permission Denied error. What is the most probable cause of this issue?
A
The folder structure inside the bucket and object paths have changed.
B
The permissions of the service account’s predefined role have changed.
C
The service account key has been rotated but not updated on the application server.
D
The Interconnect link from the on-premises data center to Google Cloud is experiencing a temporary outage.