单选题A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo". Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（）A lsexport alphaB showmo
题目
单选题
A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo". Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（）
A
lsexport alpha
B
showmount -e alpha
C
exportfs -l alpha
D
mount -e nfs alpha