Which of the following is true about Kerberos?以下哪一个是关于Kerberos的描述是正确的？（）A、It encrypts data after a tickt is granted，but passwords are exchanged in plaintext.它在ticket获得授权后对数据进行加密，但是密码的交换是明文方式。B、It depends upon symmetric ciphers.它依赖于对称加密。C、It is a second party authentication system.它是一种第二方的认证系统D、It utilizes public key cryptography.它使用公钥密码学。
Which of the following is true about Kerberos?以下哪一个是关于Kerberos的描述是正确的？（）
- A、It encrypts data after a tickt is granted，but passwords are exchanged in plaintext.它在ticket获得授权后对数据进行加密，但是密码的交换是明文方式。
- B、It depends upon symmetric ciphers.它依赖于对称加密。
- C、It is a second party authentication system.它是一种第二方的认证系统
- D、It utilizes public key cryptography.它使用公钥密码学。
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