Which of the following commands will fail?()  
A、 report schema
B、 report need backup
C、 report need backup days 3
D、 report user
E、 report obsolete
A、 report schema
B、 report need backup
C、 report need backup days 3
D、 report user
E、 report obsolete
A、cat /proc/usr/lparchk B、cat /proc/ppc64/lparcfg C、/var/adm/tools/res_list D、/var/adm/tools/lparalloc