单项选择题

A user suspects that a recently installed program overwrote a Windows system file on the computer. Which of the following commands could be run to check and verify the system files？（）

A.system /v
B.winnt /s
C.sfc /scannow
D.chkdsk /f

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单项选择题

Which of the following commands are used to create folders in a command prompt？（）

A.CD
B.RD
C.MD
D.SD

多项选择题

Which of the following describes how to set the Read-only attribute on a folder？（）

A.Right-click the folder > Properties > Security tab > select the username from the list > Permissions > clear the box labeled Read > OK
B.Open the folder > Tool > Folder Options > General tab > Read-only > OK
C.Open the Command Prompt > type attrib r [drive：][path] > Enter
D.Open the Command Prompt > type attrib +r [drive：][path] > Enter
E.Right-click the folder > Properties > General tab > Attributes > select Read-only > OK

多项选择题

A company may use the Windows XP Professional MUI Pack because the company：（）

A.has offices where users who speak different languages share computers.
B.wants to maintain multiple operating systems.
C.has users who work remotely at home offices.
D.wants to deploy and maintain a single operating system standard.