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单选题
A system administrator created a /etc/exports file on server "Alpha" and entered a filesystem to be exported to server "Bravo." However, the remote servers are unable to mount the filesystems. What does the system administrator need to do?()
A

Use the exportfs command on server Alpha to export the filesystem

B

Use the showmount command on server Bravo to import the filesystem

C

Use the startsrc command on server Bravo to refresh the NFS daemons

D

Use the chfs command on server Alpha to change the filesystem type to NFS


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