计算机三级网络技术题目请牛人帮忙解答下~~

2025-02-12 04:41:19
推荐回答(1个)
回答1:

下面的你参考一下吧,不知道会不会有差错: 1、(1)局域网的体系结构由三层协议构成,即物理层(PHY,Physical)、媒体访问控制层(MAC,Media Access Control)和逻辑链路控制层(LLC,Logical Link Control)。 (2)物理层 (3)令牌总线网和CSMA/CD(冲突检测的载波侦听多路访问控制方式)(应该还有一个“令牌环网”)\\总线型、树型(其他还有环型、星型) 2、(1)H,A,B,E,I,C,D,F,G (2)URL:统一资源定位符 (3)主机向本地域名服务器递归查询\本地域名服务器采用迭代查询\根域名服务器告诉本地域名服务器,下一次应查询的顶级域名服务器的IP地址\本地域名服务器向顶级域名服务器进行查询\顶级域名服务器告诉本地域名服务器,下一次应查询的顶级权限域名服务器的IP地址\本地域名服务器向权限域名服务器进行查询\权限域名服务器告诉本地域名服务器,所查询的主机的IP地址\本地域名服务器最后把查询结果告诉主机。

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