A-A+
A firewall is a(71)system designed to(72)an or
问题详情
A firewall is a(71)system designed to(72)an organization"s network against threats.
A．operating
B．programming
C．security
D．data请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：译文：防火墙是一个安全系统，它被设计用来保护某组织的网络不受破坏。
