试题详情
- 多项选择题In an Ethernet network, under what two scenarios can devices transmit? ()
A、when they receive a special token
B、when there is a carrier
C、when they detect no other devices are sending
D、when the medium is idle
E、when the server grants access
- C,D
关注下方微信公众号,在线模考后查看
热门试题