A system administrator had a disk failure on an HMC. The disk was replaced and the HMC was loaded from the Product Recovery CD. The system administrator had performed a backup to DVD of the HMC data before the system failed. After restoring the backup files, it was noticed that no profile files were restored. What is the most likely cause of this problem?（） 正确。 错误。
Which two statements are true regarding hot patching? （） 正确。 错误。
凝血时间明显延长见于下列哪组疾病（） 正确。 错误。
有关交换技术的论述，正确的有（） 正确。 错误。
You want to take a complete database backup using RMAN. The backup should consist onlythe used blocks from your database. Which two statements are true about this backup operation？（） 正确。 错误。
转基因食品与现有食品及食品成分具有完全实质等同性，就不用考虑毒理和营养方面的安全性，两者应等同对待。
