For data transmission to be successful，sending and receiving devices must follow a set ofcommunication rules for the exchange of information. These rules are known as（ ）。（2015年下半年程序员综合知识真题答案与解析）
For data transmission to be successful，sending and receiving devices must follow a set ofcommunication rules for the exchange of information. These rules are known as（ ）。（2015年下半年程序员综合知识真题答案与解析）
A、E-mail
B、Internet
C、network
D、protocols
参考答案： D
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