2018年10月31日
计网复习1
摘要： 1.2.1 Access network DSL 连接 DSLAM，类似拨号上网，占用电话线路。 客户端：splitter seoarates the data and telephone signals arriving to the home and forwards the data sign 阅读全文
posted @ 2018-10-31 05:40 森淼clover 阅读(199) 评论(0) 推荐(0)
计网复习2
摘要： 1. hierarchy of public telephone network’s architecture Telephones (Phones): Users: homes, businessesEnd offices (Switching offices): Connect to phone 阅读全文
posted @ 2018-10-31 05:36 森淼clover 阅读(196) 评论(0) 推荐(0)