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
西安地铁二号线新轮轮缘厚度和高度分别为（）
A. 28mm，32mm
B. 35mm，26mm
C. 32mm，28mm
D. 33mm，28mm
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