Which of the following commands can be used to get the system ready to physically insert a PCI hot plug adaptor？（）

A.lsattr -l pci
B.lscfg -Cc pci
C.lsconn -p pci -a
D.lsslot -c pci -a

A.The dump was successful.
B.A system dump is in progress.
C.No system dump device configured.
D.There was an I/O error during the dump.

A.lsdev
B.chdev
C.sysdumpdev
D.sysdumpstart