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因特网中域名解析依赖于一棵由域名服务器组成的逻辑树。请问在域名解析过程中,请求域名解析的软件不需要知道以下哪些信息?______。
Ⅰ.本地域名服务器的名字
Ⅱ.本地域名服务器父结点的名字
Ⅲ.域名服务器树根结点的名字
A.Ⅰ和Ⅱ
B.Ⅰ和Ⅲ
C.Ⅱ和Ⅲ
D.Ⅰ、Ⅱ和Ⅲ

A.本地域名服务器的名字
B.本地域名服务器父结点的名字
C.域名服务器树根结点的名字
A.Ⅰ和Ⅱ
B.Ⅰ和Ⅲ
C.Ⅱ和Ⅲ
D.Ⅰ、Ⅱ和Ⅲ

【参考答案】

C
解析:本题的考查点是域名解析中域名服务器的作用。为了实现域名解析,Internet中存在着大量的域名服务器,......

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