计算机网络-第2章 DNS-同步电大进度

ゝ一纸荒年。 2023-01-13 05:47 160阅读 0赞

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**关于DNS的说法错误的有()**

*  A.DNS包含多个域名服务器
 *  B.DNS提供域名解析服务
 *  **C..com被称为顶级域名，因此所有的.com域名由根服务器来解析。**
 *  D.DNS功能是将域名和IP地址转换

### 不同层次DNS服务器的功能 ###

**请讨论并回答不同层次DNS服务器所提供的功能。**

根域名服务器提供TLD服务器的IP地址

顶级域名服务器提供权威DNS服务器的IP地址

权威域名服务器记录公共可访问主机的名字和IP地址

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