A system administrator is in the process of documenting the system. Which of the following commands will provide a list of the devices defined on the system？（）

单项选择题Asystemadministratorhasbeenaskedtodocumentthehardwareconfigurationofasystem.Whichcommandcanbeusedtoassistinthistask？（）

A.lscfg
B.mkdev
C.lslpp
D.cfgmgr

单项选择题Atsysteminstall，the etc syslog.conffilespecifiesthatmessagesbeloggedforwhichfacilities？（）

A.communications
B.kernel
C.security
D.none