单项选择题
Which of the following is the GREATEST environmental concern for a server operating environment？（）
A. Temperature B. Lighting C. Structural columns D. Elevation
单项选择题 Whichofthefollowingshouldbedonebeforeandafteraserviceorrepairisperformedonaserver？（）
单项选择题 WhichofthefollowingwouldprovidetheBESTreferenceofnormalserverperformancefora company’senvironment？（）
单项选择题 WhichofthefollowingexpansioncardswouldbenecessarytoincreasefaulttoleranceinaVoIP server？（）
