2. 计算机
  3. (74)was designed many years ago，with a goal in mind：transmitting the human voice in a more-or-less recognizable form．

(74)was designed many years ago，with a goal in mind：transmitting the human voice in a more-or-less recognizable form．

admin2010-05-10  45
问题 (74)was designed many years ago，with a goal in mind：transmitting the human voice in a more-or-less recognizable form．
选项 A、DWDM
B、PSTN
C、internet
D、WLAN
答案B
解析 PSTN设计了多年，它的日的是以一个或多或少的可辨别的格式来传送人类的语音。
转载请注明原文地址:https://kaotiyun.com/show/cokZ777K
本试题收录于： 网络管理员上午基础知识考试题库软考初级分类
0

网络管理员上午基础知识考试

软考初级

相关试题推荐
随机试题
最新回复(0)