To facilitate secure access to Azure resources, what feature must be enabled on the storage account?

To facilitate secure access to Azure resources, enabling "Secure transfer required" on the storage account is essential. This feature ensures that all communications between clients and the Azure storage account occur over secure HTTPS connections rather than unsecure HTTP. By enforcing secure transfer, it helps protect data in transit from being intercepted, mitigating risks associated with man-in-the-middle attacks. This is a best practice for security, especially when dealing with sensitive or critical information in cloud environments.

The other features mentioned, such as static website hosting, versioning, and content delivery network, play different roles within Azure's storage solutions. However, they do not specifically enhance the security of data in transit like the secure transfer requirement does. Thus, enabling the "Secure transfer required" setting is critical for ensuring that data access remains secure and compliant with security policies.