A user calls the system administrator and states that they can no longer access the file server they had been working on all morning. To troubleshoot this problem, which step should the administrator

Rebooting the file server prematurely can disrupt other users, hide the root cause, and is an aggressive step before understanding the problem's scope or nature.

Asking the user what they were doing when the problem occurred provides critical context and clues, helping the administrator narrow down potential causes and guiding subsequent, more targeted troubleshooting steps.

Asking the user to reboot their PC is a blind troubleshooting step that may temporarily resolve a client-side issue but provides no insight into the server access problem's origin.

While network connectivity is relevant, instructing the user to perform a technical command like pinging the default gateway comes after initial information gathering and confirmation of network-related symptoms, and may not be feasible for all users.