Which functionalities does AutoFS provide? (Select three.)
A. may be configured to modify NFS filesystem permissions when needed
B. may be configured to provide load balancing across multiple NFS servers
C. automatically exports filesystems on the NFS server when needed
D. automatically unmounts NFS filesystems that are no longer being accessed
E. automatically updates /etc/fstab on NFS clients when needed
F. automatically mounts NFS filesystems when needed