Which of the following local files is used to run the date command on the remote machine "Earth" using the following rexec command without request for a password？ rexec Earth date（）。

A.lstty
B.lscons
C.lsdev
D.lscfg

A.Defines permissions for remote machines contacting the local machine through BNU
B.Specifies dialer and modem types for uucp connections
C.Defines basic communication parameters
D.Assigns alternate or additional Systems， Devices and Dialers files

A.netstat -i
B.ifconfig -a
C.errpt -a
D.iptrace -i