2. 计算机
  3. The_____________is designed specifically as a security system for preventing unauthorized communications between one computer ne

The_____________is designed specifically as a security system for preventing unauthorized communications between one computer ne

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问题 The_____________is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network．
选项 A、firewall
B、protocol
C、hacker
D、virus
答案A
解析 防火墙是一个专门设计用来防止在两个不同的计算机网络间进行未授权的安全系统。
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