单项选择题
A. To ensure that all hardware being used has previously been tested
B. To ensure that all hardware being used has the latest firmware
C. To ensure that all hardware being used is the most energy efficient
D. To ensure that all hardware being used can be upgraded in the future
单项选择题 Whichofthefollowingcomponentschannelsairflowthroughaserverchassis？（）
单项选择题 A server connects to iSCSI presented SAN storage array through a dedicated NIC；however，the SAN traffic is passed on the same switches as the Ethernet network and VoIP traffic. The size of the presented drive is 700GB. The administrator has noticed a decrease in storage performance. Which of the following is MOST likely the cause？ （）
单项选择题 WhichofthefollowingistheGREATESTenvironmentalconcernforaserveroperatingenvironment？（）