单项选择题
Which of the following accurately describes the meaning of redundant cooling？（）
A.The source of cooling to a RAID system B.The cooling system in a redundant power supply C.A cooling system that can be installed in case of failure D.A second cooling system in case of a failure
单项选择题 Usesareunabletoprinttoanyofthenetworkprinters.Whichofthefollowingshouldthe administratorperformFIRST？（）
多项选择题 Whichofthefollowingconnectorsidentifiesthatamotherboardhasonboardvideocapabilities？（）
单项选择题 WhichofthefollowingisabenefitofNASoverSAN？（）
