フリー問題

問題文

A switch that speaks the usage-reporting protocol had kept a report in its queue for a while before the packet left, and it wrote into that packet the number of seconds it had been trying. The same person also has several related connections that an operator must be able to tie to one another in the log. Which pair fits what the server can work back to and how the numbering leaves those connections standing?

選択肢

1. In that reconstruction the moment of the report comes out as the provisional reading and the related connections form the extended trail
2. In that reconstruction the moment of the report comes out as the estimated reading and the related connections form the chained trail
3. In that reconstruction the moment of the report comes out as the estimated reading and the related connections form the extended trail
4. In that reconstruction the moment of the report comes out as the provisional reading and the related connections form the chained trail