单项选择题
A.90% B.80% C.70% D.60%
A.admin B.administrator C.root D.supervisor
A./home和/usr B./和/usr C./和/swap D./home和/swa
A.Kerberos和PKI都是对称密钥 B.Kerberos和PKI都是非对称密钥 C.Kerberos是对称密钥,而PKI是非对称密钥 D.Kerberos是非对称密钥,而PKI是对称密钥
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