フリー問題

問題文

An operator is asked to do two different things to stored copies. One task confirms that what was written can still be read, and the other releases the medium for reuse by dropping its record while the bits themselves are left alone. Which pairing is correct?

選択肢

1. Confirming that what was written can still be read is done by the validating pass, while handing the medium back by dropping its record is done by the shredding action the administrator applies afterwards.
2. Confirming that what was written can still be read is done by the sweeping pass, while handing the medium back by dropping its record is done by the expiring action the administrator applies afterwards.
3. Confirming that what was written can still be read is done by the validating pass, while handing the medium back by dropping its record is done by the expiring action the administrator applies afterwards.
4. Confirming that what was written can still be read is done by the sweeping pass, while handing the medium back by dropping its record is done by the shredding action the administrator applies afterwards.