单项选择题
A. Mirroring with striping
B. Mirroring with fault tolerance
C. Striping
D. Striping with distributed parity
单项选择题 An administrator needs to update the anti-virus, security patches, BIOS, and the web server software on a production system. Which of the following is the BEST method to accomplish this?（）
多项选择题 Afteravirusoutbreak，whichofthefollowingcanbeusedtodeployahotfixinaMicrosoft environment？（）
多项选择题 Which of the following are benefits to server virtualization?（）