单项选择题
A. Terminate the back end of the chain.
B. Set the jumper to device ID 0.
C. Terminate both ends of the chain.
D. Set the jumper to cable select.
单项选择题 A technician has found that the uninterruptible power supply (UPS) connected to a server does not have sufficient battery power to allow the server to shutdown gracefully. Which of the following is the MOST cost effective way to allow this server to shutdown gracefully?（）
单项选择题 WhichofthefollowingBESTdescribesavirtualmachine？（）
单项选择题 Whichofthefollowingserverclustersoffersincreasedavailability，performance，andscalability？（）