The () is designed specifically as a security system for preventing unauthorizedcommunications between one computer network and another computer network。(2012年上半年程序员综合知识真题答案与解析)
The () is designed specifically as a security system for preventing unauthorizedcommunications between one computer network and another computer network。(2012年上半年程序员综合知识真题答案与解析)
A、firewall
B、protocol
C、hacker
D、virus
参考答案: A
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