单项选择题 After applying a new driver to a NIC, the server reboots and fails to restart. Which of the following is the BEST way to resolve the problem?（）

单项选择题 AnadministratorhasaddedanewharddrivetoaserverthatisrunningoutofspaceonitsCDrive andisexperiencingslowperformance.TheadministratorneedstofreeupspaceontheCDrive.WhichofthefollowingistheBESTactionfortheadministratortotaketofreeupspaceonthe drive？（）

单项选择题 A server is experiencing an undetermined problem. Which of the following steps should the technician take in order to identify whether it is a software or hardware problem?（）