单项选择题 AllofthefollowingarecontainedinaserverbaselinedocumentEXCEPT：（）

单项选择题 WhichofthefollowingBESTdescribesRAID5？（）

单项选择题 An administrator notes that after a recent power outage, some open files were corrupted on one affected file server. Which of the following items should the administrator consider to determine the cause of this corruption?（）