单项选择题 A mail server keeps shutting down. The administrator gets an error message over temperature error? Which of the following should the administrator replace FIRST?（）

单项选择题 Lighteningcausesapowersurgeandleadstoafireinthedatacenter.Followingemergency procedures，whichofthefollowingistheFIRSTthingtheserveradministratorshoulddo？（）

单项选择题 A Windows file server has run out of space. In the interim the administrator is moving several archived confidential folders that have been encrypted off the file server and onto an older server file shares. After the move, a manager reports that they are able to access and modify some of the items that have been moved. Which of the following is the MOST likely issue?（）