试题详情
单项选择题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。

A、This is a 10 Mb/s switch port

B、This is a 100 Mb/s switch port

C、This is an Ethernet port operating at half duplex

D、This is an Ethernet port operating at full duplex

E、This is a port on a network interface card in a PC

  • C

  • 关注下方微信公众号，在线模考后查看

热门试题