Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups？（）  

A.sysdumpdev -l
B.dumpmgr -ALl
C.lsdev -Cc dump
D.diag -dump=show

A.Delete root’s password from the /etc/security/passwd file.
B.Use the diag recovery tool option to reset root’s password.
C.Execute the ’passwd’ command and assign a new passwd to root UId
D.Mount the / and /usr filesystems on alternative mount points to edit the password file.

A.tcpdump webserver
B.tcpdump host webserver
C.tcpdump -hostname webserver
D.tcpdump -print -h webserver