The new security feature in Vista that prevents programs from running with escalated privileges is called：（）
A. User Account Control （UAC）.
B. Windows Sidebar.
C. Windows Defender.
D. Aero Interface.
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确保网络上的数据在传输过程中没有被篡改的是（）。
A. 数据保密
B. 数据完整性
C. 身份验证
对网络上的另一个用户进行验证，证实他就是他所声称的那个人叫做（）。
A. 数据保密
B. 数据完整性
C. 身份验证
Which statement is correct about the validate option when upgrading JUNOS software？（）
A. It will check the MD5 checksum of the install package.
B. It will check if the device meets the memory requirements for the install package.
C. It will check the compatibility of the configuration with the install package.
D. It will check if the device meets the storage requirement for the install package.
Whichofthefollowinggroupsshouldauserbeaddedtofortheabilitytorestorefiles,withoutgrantinganyownershipprivileges?（）
A. RemoteDesktopUsers
B. PowerUsers
C. Administrators
D. BackupOperators
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