You must provision a high-throughput NFS file share for a Linux-based HPC workload in Azure. The mount points must be accessible only from a specific VNet subnet. Which prerequisites and configurations are required?
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Correct answer: Create a FileStorage (Premium) storage account and enable NFS v4.1 for the share, Set Secure transfer required to Disabled on the storage account, Restrict access to selected virtual networks/subnets or use a private endpoint; mounting NFS over the public internet isn’t supported.
Why this is the answer
For high-throughput NFS, Azure FileStorage (Premium) is necessary as it offers SSD-backed performance, and NFS v4.1 must be enabled. NFS shares require "Secure transfer required" to be disabled because NFS v4.1 uses TCP, not HTTPS, for data transfer. To ensure secure and private access from a specific VNet subnet, you must restrict network access to selected virtual networks/subnets or use a private endpoint, as mounting NFS over the public internet is not supported. Active Directory Domain Services authentication is not applicable for NFS v4.1 shares; NFS uses UID/GID for authentication. Mounting from Windows Server 2019 is incorrect as the workload is Linux-based.
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