单项选择题
A.The computer’s account was removed from Active Directory.
B.The user’s account was removed from Active Directory.
C.The computer was disjoined from the domain.
D.The user typed in the wrong password.
单项选择题 An administrator identifies that a server is shutting down. The administrator powers up the server and OS loads but after a few minutes it powers down again. Which of the following is the cause?（）
单项选择题 A server is having problems booting into the operating system. Which of the following can provide important information to begin to trouble shoot the cause？（）
单项选择题 An administrator is running proprietary server software that requires services to be reconfigured every time the server is upgraded to the latest vendor version. Which of the following is the BEST solution to address this problem?（）