Final answer:
For applications that leave files open for extended periods, such as a Hyper-V server, an SMB share with the continuous availability feature is recommended to ensure uninterrupted access to stored virtual machines.
Step-by-step explanation:
When configuring a file share on which applications, such as a Hyper-V server, leave files open for extended periods of time, it is important to choose a share option that is designed for continuous availability. This ensures that virtual machines, which can run non-stop for long periods, have consistent and uninterrupted access to their files. The recommended option for this scenario is often a SMB (Server Message Block) share with the continuous availability feature enabled. SMB is a network file sharing protocol that allows applications and end-users to access files and data across a network. By enabling the continuous availability feature on an SMB share, the server provides enhanced file share access, which is resilient to network issues and server failovers, thereby delivering a highly available storage solution crucial for applications requiring long-term file access.