单选题Which of the following options enables a user to get authenticated though a single password instead of using multiple passwords？（）AWallet ManagerBRadiusCOracle Internet DirectoryDNone of the above
单选题
Which of the following options enables a user to get authenticated though a single password instead of using multiple passwords？（）
A
Wallet Manager
B
Radius
C
Oracle Internet Directory
D
None of the above
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解析：
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