Given the file excerpts:
/etc/passwd
user10:x:108:10::/home/user10:/bin/sh admin3:x:106:14::/home/admin3:/bin/pfksh user4::x:112:10::/home/user4:/bin/sh /etc/user_attr
user10::::profiles=File System Management,User Security;type=normal admin3::::profiles=MediaBackup;type=role user4::::roles=admin3;type=normal /etc/security/prof_attr
MediaBackup::Backup files and file systems:help=RtMediaBkup.html User Security:::Manage passwords, clearances:auths=s r.*,solaris.admin.usermgr.*;help=RtUserSecurity.html File System Management:::Manage, mount, share file systems:help=RtFileSysMngmt. Html;auths=solaris.admin.fsmgr.*,solaris.admin.diskmgr.*,solaris.admin.volmgr.* /etc/security/exec_attr
User Security:suser:cmd:::/usr/sbin/pwck:euid=0 User Security:suser:cmd:::/usr/sbin/pwconv:euid=0 MediaBackup:suser:cmd:::/usr/lib/fs/ufs/ufsdump:euid=0;gid=sys File System Management:suser:cmd:::/usr/sbin/devinfo:euid=0 Which statement is correct?

A.
The normal user account admin3 is allowed to perform system backups.

B.
The normal user account user4 must perform an su to admin3 to perform system backups.

C.
The normal user account user4 must perform an su to MediaBackup to perform a system backup.

D.
The normal user account user4 is allowed to perform system backups as user4 since this is considered to be a normal privilege of user4.