单选:ISDN为了使通信网络内部的变化对终端用户是透明的,它必须提供一个标准的()。 题目分类:计算机网络管理员 题目类型:单选 号外号外:注册会员即送体验阅读点! 题目内容: ISDN为了使通信网络内部的变化对终端用户是透明的,它必须提供一个标准的()。A.用户接口B.数据速率体系C.网络接ElD.网络协议体系 参考答案:【答案仅供学习,请勿对照自行用药等】
As I write these words,a triumphant horn is erupting in my ear over the thythmic As I write these words,a triumphant horn is erupting in my ear over the thythmic bowing of violins.I 分类:计算机网络管理员 题型:单选 查看答案
Food in France is always political.Marie-Antoinette ran into trouble after advis Food in France is always political.Marie-Antoinette ran into trouble after advising the poor to eat 分类:计算机网络管理员 题型:单选 查看答案