如果一台Cisco PIX 525防火墙有如下配置: pix525(config)#nameif ethernet0 pl security 100 pix525(confg)#nameif ethemet1 p2 security 50 pix525(config)#nameif ethernet2 p3 secunity 0 那么常用的连接方案是
A.
p1为outside,p2为inside,p3为DMZ
B.
p1为inside,p2为DMZ,p3为onutside
C.
p1为inside,p2为outside,p3为DMZ
D.
p1为outside,p2为DMZ.p3为inside