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
正确答案及解析
正确答案
D
解析
参考译文
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。
