单项选择题
An administrator is planning to bring a newly purchased server online. Which of the following should the administrator do FIRST？（）
A. Follow the pre-installation plan and procedures.按照预先安装计划和程序。 B. Review the system logs to check for errors. C. Notify all users that the old system will be taken offline. D. Apply all security updates to the system.
单项选择题 WhichofthefollowingcanbeusedwheninstallingtheOSwithoutabootdisk？（）
单项选择题 Adatacenterhashadapoweroutage.WhichofthefollowingshouldtheadministratordoFIRST oncethepowerisrestored？（）
单项选择题 WhichofthefollowingportsdoesRDPusebydefault？（）
