单选题为了保护DNS的区域传送（zone transfer），应该配置防火墙以阻止（）。 1.UDP 2.TCP 3.53 4.52A1，3B2，3C1，4D2，4
单选题
为了保护DNS的区域传送（zone transfer），应该配置防火墙以阻止（）。 1.UDP 2.TCP 3.53 4.52
A
1，3
B
2，3
C
1，4
D
2，4
参考解析
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单选题有关DNS中Zone的描述，错误的是哪个（）。ADNS以Zone为单位管理域名称空间BZone中的数据保存在该区域的计算机上C一个DNS服务器能管理多个ZoneD一个Zone能由多个DNS服务器管理
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