单项选择题
A. A single logical server operating on multiple physical servers.
B. Applications hosted on a single server and deployed to multiple users.
C. Multiple servers used to host applications for multiple users.
D. Multiple logical servers operating on the same physical server.
单项选择题 Whichofthefollowingvirtualizationtechnologiescansavetimeduringprovisioning？（）
多项选择题 Whichofthefollowingarestoragetechnologiesthatcanbehotswappable？（）
单项选择题 An administrator attempts to install the latest security patches for an older server. When the administrator runs the patch installer， the install fails. The administrator tries again， and the installer fails again. Which of the following is the MOST likely reason for this？（）