( 28 )下列关于 Windows 2003 系统下 DNS 服务器 配置和测试的描述中,错误的是
A.
)允许客户机在发生更改时动态更新其 资源 记录
B.
) DNS 服务器中的根 DNS 服务器需管理员手工配置
C.
)转发器是网络上的 DNS 服务器,用于外域名的 DNS 查询
D.
)使用 nslookup 命令可以测试正向和反向查找区域
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A.
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B.
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C.
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