Which of the following expansion card slots was designed specifically for video cards？（）

单项选择题WhichofthefollowingistheMOSTimportantreasonforreferencingtheHCL？（）

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？（）

A. Fan
B. Heat sink
C. Shroud
D. Radiator

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？ （）

A. The servers power supply is starting to fail and causing the iSCSI NIC to intermittently lose power.
B. There are too many users attempting to access the iSCSI presented disk.
C. The other network traffic is causing packet delays in the iSCSI network.
D. The SAN is nearing capacity and should be expanded.

单项选择题WhichofthefollowingistheGREATESTenvironmentalconcernforaserveroperatingenvironment？（）

A. Temperature
B. Lighting
C. Structural columns
D. Elevation

单项选择题Whichofthefollowingshouldbedonebeforeandafteraserviceorrepairisperformedonaserver？（）

A. Defrag
B. IPCONFIG /release
C. Firmware update
D. Baseline