試題詳解

68.在防火牆(firewall)前後各設置過濾路由器(filtering router)，形成一個隔離區(DMZ)，外部網 路只能連接到 DMZ。此種防火牆架構稱為下列何者？
(A)屏障式子網路防火牆(screened subnet firewall)
(B)封包過濾防火牆(packet filter firewall)
(C)防禦主機防火牆(bastion subnet firewall)
(D)應用閘道防火牆(application gateway firewall)