单项选择题 Anadministratoriscreatinganewdataretentionpolicy.WhichofthefollowingistheMOST importantconsideration？（）

单项选择题 A server failed Thursday evening before the nightly backup. The backup scheme in place was full backups every Sunday, incremental backups on Monday, Wednesday, and Friday, and differential backups on Tuesday,Thursday, and Saturday. To fully restore the server. which of the following is the LEAST amount of backup sets required?（）

单项选择题 NAS，SAN，andTapelibraryareMOSTcommonlyusedforwhichofthefollowing？（）