An administrator attempts to add a new 100GB logical volume to the datavg volume group， which resides on hdisk1. 
How can the administrator easily determine if there is enough space in datavg to create the logical volume（）

A.Preservation
B.Migration
C.New and complete overwrite
D.Repair

A.mksysb made on a single processor machine but is being installed on a multiple processor machine， no editing of the image.data file
B.mksysb made on machine with mirrored rootvg and new machine only has one disk in rootvg， no editing of the image.data file
C.mksysb made on a machine with 32GB of RAM but being installed on a machine with only 8GB of RAM
D.mksysb made on a machine with virtual Ethernet adapter but being installed on a machine which only has a physical Ethernet adapter

A./usr/objrepos
B./usr/lpp/objrepos
C./usr/bin/objrepos
D./etc/objrepos