フリー問題

問題文

Two devices along the path behave badly: one drops the packets of the mechanism without understanding them, and the other answers with a control message saying the port cannot be reached. An engineer has to record which way of searching the client should lean toward against the first, and whom the second sends that control message to when what arrived was a request. Which statement is correct?

選択肢

1. The client should lean toward a split search of the hop count, and the second sends that message to the client at whose address the request originated.
2. The client should lean toward a linear search of the hop count, and the second sends that message to the adjacent device from which the request came.
3. The client should lean toward a split search of the hop count, and the second sends that message to the adjacent device from which the request came.
4. The client should lean toward a linear search of the hop count, and the second sends that message to the client at whose address the request originated.