A filesystem failed to successfully mount， indicating the error message：  0506-324 - cannot mount media not formatted or invalid format 0506-342 - Superblock is dirty run fsck  Which parameter can be passed to the fsck command to automatically take any remedial action required？（）  

A.lsdev -fv a
B.lsattr -f a
C.lsattr`cat a`
D.lsdev -Cccat a

A.Power 595
B.Power 560
C.Power 570
D.Power 550

A.The sshd user id is locked.
B.The /var/empty directory needs to be created.
C.PRNG is set to ’no’ in the /etc/ssh/sshd_config file.
D.The permissions on /dev/random and /dev/urandom are incorrect.