若（BX)=1000H，（DS)=2000H，（21000H)=12H，（21001H)=34H，执行LEA SI，[BX]指令后，SI寄存器中的内容是

A.SetShowHelp

B.SetHelpString

C.SetHelpKeyword

D.SetHelpNavigator

A.A

B.B

C.C

D.D

A.A

B.B

C.C

D.D

logs on with a different account and is able to access inappropriate Web sites. You need to ensure that your child cannot access inapproriate Web sites.What should you do?（）

A.A

B.B

C.C

D.D

A.A

B.B

C.C

D.D

pplications as having potentially unwanted behavior. You need to continue to use the application. You also need to stop Windows Defender from alerting you about this application.Which Windows Defender option should you use?（）

A.A

B.B

C.C

D.D

less network adapter only whe nyou are traveling. You need to configure the network adapter profile settings to ensure that the computer discovers other network devices only when you are at home.Which two actions should you perform?（）

A.A

B.B

C.C

D.D

to access the desktop icons that appear beneath the Windows Sidebar feature. You need to access these desktop icons.What are two possible ways to achieve this goal?（）

A.A

B.B

C.C

D.D

E.E

the following error message: You do not have the rights to play this file.” You need to configure Windows Media Player to ensure playback of protected digital media.What should you do?（）

A.A

B.B

C.C

D.D

er co-workers. You purchase a new computer. You install Microsoft Windows Vista on the new computer. You need to migrate the following content from the old computer to the new computer:All system and program settingsAll users settingsOnly the content in the C:\Appdata folderWhich tool should you use?（）

A.A

B.B

C.C

D.D