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Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）
- A、100Base-T4
- B、100Base-TX
- C、100Base-X
- D、100Base-FX
参考答案
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单选题Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）A
100Base-T4B
100Base-TXC
100Base-XD
100Base-FX
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