单选

●以下不属于防火墙技术的是 (63) 。
(63)

A．IP过滤 &n
bsp; B．线路过滤
C．应用层代理
D．计算机病毒检测

试题出自试卷《2011年网络管理员考试考前密卷（一）-上午试题》

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●以下不属于防火墙技术的是 (63) 。(63)

●以下不属于防火墙技术的是 (63) 。
(63)