フリー問題

問題文

A finance team keeps 30 days of nightly copies of its database and monitors the copy job for failures. The job has never reported an error. No one has ever loaded a copy back into a running system. Which of the following statements is correct?

選択肢

1. The unbroken job record shows the media held, and only a restore test can show the schedule held steady.
2. The unbroken job record shows the copies completed, and only a restore test can show the schedule held steady.
3. The unbroken job record shows the media held, and only a restore test can show the business recovers.
4. The unbroken job record shows the copies completed, and only a restore test can show the business recovers.