A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network． From this stateme

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问题 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?

选项 A、This is a 10Mb/s switch port．
B、 This is a 100Mbs 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．

答案C

解析考点：考查冲突域的概念。在半双工网络中才存在冲突域。综上所述选C。

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A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network． From this stateme

思科640802

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