Which storage solution supports access control lists (ACLs) at the (DP-900)

Correct answer: A. Azure Data Lake Storage.
A. Azure Data Lake Storage supports access control lists (ACLs) at the file and folder level. This allows you to control and manage access permissions to your data stored in the Data Lake Storage.
B. Azure Queue storage does not support access control lists (ACLs) at the file and folder level. It is a service for storing large numbers of messages that can be accessed from anywhere in the world via authenticated calls using HTTP or HTTPS.
C. Azure Blob storage does not support access control lists (ACLs) at the file and folder level. It is a service for storing large amounts of unstructured data, such as text or binary data.
D. Azure Cosmos DB is a globally distributed, multi-model database service. It does not provide access control lists (ACLs) at the file and folder level, as it is a NoSQL database service.

Therefore, the storage solution that supports access control lists (ACLs) at the file and folder level is Azure Data Lake Storage.