How can an administrator verify that the disk is still usable when the output of ‘lspv’ shows‘hdisk1’ is in a missing state？（）

A.lspv -l hdisk1
B.lscfg -l hdisk1
C.lsattr -l hdisk1
D.dd if=/dev/hdisk1 bs=512k count=10 of=/tmp/disk.txt

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Which file contains the attributes used to setup a new user account when executing ‘mkuser’ without any flags？（）

A./etc/security/user
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