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For data transmission to be successful，sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as ( ).
A.E-mail
B.Internet
C.network
D.protocols
B.Internet
C.network
D.protocols
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参考解析
解析：为成功地传输数据，发送设备和接收设备必须遵循一套信息交换的通信规则。这些规则称为协议。
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