我国长途电话网的网路结构为分级汇接网,其等级数为
A.5
B.4
C.3
D.2
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/726976.html
上一篇:Question 50●You have to write a report for a client, but your colleague has not sent you his data yet. ●Write a note to your colleague:■ telling him he is late■reminding him of the reason why you need the data ■giving him a date
下一篇:一位优秀的程序员同时又是最好的打字员。根据比较优势理论,他应该()