单项选择题 Files /tmp/file2 and /tmp/file3 are hard linked to /tmp/file1.  What will the result be if a user makes changes to /tmp/file2 at the same time another user tries to delete /tmp/file1？（）

单项选择题 A log logical volume is created as indicated below： root@host1：/# mklv -a c -t jfs2log -b y datavg 1   loglv00   root@host1：/# lsvg -l datavg datavg：   LV NAMETYPELPsPPsPVsLV STATEMOUNT POINT   loglv00jfs2log111closed/syncdN/A   A new filesytem is then created using the new log logical volume.When the administrator attempts to mount the filesytem， the following error occurs： root@host1：/# mount /newfs   mount： 0506-324 Cannot mount /dev/lv00 on /newfs： A system call received a parameter that is not valid. Which of the following actions will resolve this error？（）

单项选择题 The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw. How can a second server regularly use this disk space？（）