单项选择题
A. Set folder permissions to 760.
B. Set folder permissions to 770.
C. Set folder permissions to modify
D. Set folder permissions to full control
单项选择题 Atechnicianisunabletoejectatapefromadrivewhenpressingtheejectbutton.Whichofthe followingisMOSTlikelythecause？（）
单项选择题 A company would like to upgrade an old server to a multi-processor box. The server currently has a single 3.0GHz 1Mb cache processor in it with a single empty socket. The only processor that is available from a manufacturer is a 3.0GHz 2Mb cache model. Which of the following is the BEST reason why this upgrade will not work?（）
单项选择题 WhichofthefollowingistheMOSTimportantstepinanydisasterrecoveryplan？（）