注：最后有面试挑战，看看自己掌握了吗I could be bounded in a nutshell and count myself a king of infinite space.特别鸣谢：木芯工作室、Ivan from Russia应用层—网络层点到点----传输层端到端------应用层为应用提供多样服务---------功能：文件传输、访问、管理ftp—电子邮件smtp—虚拟终端h....

文章 2022-02-14 来自：开发者社区

【计算机网络】应用层 : DNS 域名解析系统 ( 域名 | 域名服务器 | 域名解析过程 | 递归查询 | 迭代查询 | 高速缓存 )

文章目录一、域名二、域名服务器三、域名解析过程四、递归查询五、迭代查询六、高速缓存一、域名域名 :① 域名表示方法 : 字母 , 数字 , “-” 符号 , “.” 符号组成 ;② 标号 : 使用 “.” 分割开的字符串称为标号 , 每个标号不能超过 63 个字符 ;③ 标号级别 : 域名中的标号级别 , 自左向右 , 优先级别由低到高 ;④ 域名示例 : www.baidu.com , ....

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更新时间 2024-07-19 09:15:36

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