单项选择题

Which of the following factors is the MOST likely cause of a power supply fan failure？（）

A. Extreme temperature variances
B. Extreme humidity variances
C. Power stability fluctuations
D. Excessive dust accumulation

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单项选择题

Anadministratorlogsintoaserverandnoticesslowperformance.Whenthesystemfinishesthe logonprocessamessageisdisplayedsayingthesystemisoutofVirtualMemory.Whichofthe followingistheMOSTlikelycauseofthisissue？（）

A.The drives have been configured as basic.
B.The system partition with the page file is out of space.
C.The VMFS has bad sectors.
D.The drivers for the memory have become corrupt.

单项选择题

AuserselectstheirproperdomainandisunabletologintotheirWindowscomputer.Theerror states：‘Systemcannotlogyouontothedomainbecausethesystem’scomputeraccountinits primarydomainismissingorthepasswordonthataccountisincorrect’.Whichofthefollowingis theMOSTlikelycauseforthiserror？（）

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.