题目内容:
() is called the gateway of network security, which is used to identify what kind of data packets can enter the enterprise intranet.
A.Anti-virus software
B.Trojan horse
C.Secret key
D.Firewall
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答案解析:
() is called the gateway of network security, which is used to identify what kind of data packets can enter the enterprise intranet.
A.Anti-virus software
B.Trojan horse
C.Secret key
D.Firewall