A user can connect to a shared folder on a NAS device, but cannot access any files inside of the folder. Which of the following security settings need to be changed to grant the user access to the fil

Encryption keys are used to encrypt and decrypt data, not to control access permissions for shared files.

Share permissions control who can access the shared folder itself, but since the user can already connect to the folder, these are likely already sufficient or not the bottleneck.

File permissions, also known as NTFS permissions on Windows or POSIX permissions on Linux/Unix, control access to individual files and subfolders within a shared directory, and these need to be adjusted to grant the user access to the content.

LUN masking is a SAN technology that controls which servers can see and access storage logical unit numbers, which is not relevant for controlling user access to files on a NAS shared folder.