フリー問題

問題文

A new process will read supplier invoices out of a work queue. The reviewer asks what the value that names each item should be drawn from, and which call takes ownership of an item so that no second robot can start on it. Which pairing fits?

選択肢

1. The name of each item is drawn from the grouped field, and the item is handed to this run by the locking call that the queue records against it in the application.
2. The name of each item is drawn from the grouped field, and the item is handed to this run by the peek call that the queue records against it in the application.
3. The name of each item is drawn from the unique field, and the item is handed to this run by the locking call that the queue records against it in the application.
4. The name of each item is drawn from the unique field, and the item is handed to this run by the peek call that the queue records against it in the application.