單項選擇題

An administrator has received complaints from users that an application is not available while other applications  run. This  application  resides  on  an  NFS  mounted  filesystem.  
Which  of  the  following  commands should be run as a reasonable first step to handle this problem()

A.df
B.showmount
C.exportfs
D.refresh -g nfs

微信掃碼免費搜題