可提供域名服务的包括本地缓存、本地域名服务器、权限域名服务器、顶级域名服务器以及根域名服务器等，以下说法中错误的是（）。 -题库考试答案搜索网

可提供域名服务的包括本地缓存、本地域名服务器、权限域名服务器、顶级域名服务器以及根域名服务器等，以下说法中错误的是（）。

单选题

2021-09-03 19:58

A、本地缓存域名服务不需要域名数据库
B、顶级域名服务器是最高层次的域名服务器
C、本地域名服务器可以采用递归查询和迭代查询两种查询方式
D、权限域名服务器负责将其管辖区内的主机域名转换为该主机的IP地址

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正确答案

B

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