单项选择题

A user selects their proper domain and is unable to log into their Windows computer. The errorstates： System cannot log you on to the domain because the systems computer account in its primary domain is missing or the password on that account is incorrect.
Which of the following is the MOST likely cause for this error？（）

A. The computers account was removed from Active Directory.
B. The users account was removed from Active Directory.
C. The computer was disjoined from the domain.
D. The user typed in the wrong password.

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单项选择题An administrator is troubleshooting a problem on an application server， but has not determined the cause of the problem and is not able to replicate the problem. Which of the following should the administrator do prior to escalating the issue？（）

A. Gather information from users.
B. Reboot the server.
C. Apply the latest service packs to the operating system.
D. Perform a root cause analysis.

单项选择题BeforeinstallingafirmwareupdateonaRAIDcontrollerwhichofthefollowingshouldbedone？（）

A. Check for corresponding driver updates.
B. Rebuild any arrays on the controller.
C. Check for corresponding OS updates.
D. Install a redundant BIOS on the controller.

单项选择题An environment has a DC server and an Exchange server. The administrator needs to install apatch and restart both servers while minimizing downtime. Which of the following is the BEST way torestart the servers？（）

A. Restart both servers at the same time so the servers are down at the same time.
B. DC server first， then the Exchange server second.
C. The order in which the servers are restarted does not matter.
D. Exchange server first， then the DC server second.

多项选择题Whichofthefollowingportssupportshotplugdevices？（）

A. USB
B. AGP
C. PCI
D. IDE
E. PS2

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A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10