フリー問題

問題文

A UAS holds unacknowledged reliable provisional responses, each carrying its own count in the ordering of responses, on separate requests within one dialog. What does the standard say about the way a PRACK is paired with one of them?

選択肢

1. The pairing rests upon that count together with the tag of the answering party, since a count drawn inside a forked leg may come round again elsewhere.
2. The pairing rests upon that count together with the name of the event package, since a count drawn inside a lasting subscription of that shape may come round again elsewhere.
3. The pairing rests upon that count together with the label upon the option in force, since a count drawn inside a chosen extension of that build may come round again elsewhere.
4. The pairing rests upon that count together with the method beside the command sequence, since a count drawn inside a single transaction may come round again elsewhere.