多项选择题
A. 64-bit version of Windows Server 2008
B. XD or NX must be enabled
C. 140GB of free disk space or higher
D. 2GB of memory or higher
E. 2GHz processor or higher
单项选择题 Anadministratorishavingproblemswithaserver’sbuilt-inI/OdevicessuchaskeyboardandUSB ports.WhichofthefollowingistheBESTsolutiontoresolvetheproblem？（）
单项选择题 Which of the following memory technologies allows for single bit errors to be detected and subsequently fixed?（）
单项选择题 Whichofthefollowingdescribesthepurposeofanetworkto pologydiagram？（）