Which of the following commands will set the duplex of a network adapter?()
A.no -a media_speed=100_Full_Duplex en0
B.ifconfig -a media_speed=100_Full_Duplex ent0
C.chdev -l ent0 -a media_speed=100_Full_Duplex
D.chinet -l en0 -a media_speed=100_Full_Duplex en0