【简答题】Did anyone find the names of “Great Britain”, “the United Kingdom”, “England” and “the British commonwealth” which have the same meaning? Strictly speaking, these names all refer to something differen...
【单选题】两台主机之间的数据链路层采用后退N帧协议(GBN)传输数据,数据传输速率为16kbit/s,单向传播时延为270ms,数据帧长度为128~512B,接收方总是以与数据帧等长的帧进行确认。为使得信道利用率达到最高,帧序号的比特数至少为( )。
【简答题】We interviewed ten _____ but did not find anyone suitable.
【单选题】在我国法律体系中,以下单行法律属于民法部门的是( )。