PGP和S/MIME的不同之处在于()A、加密体系不同B、信任关系不同C、证书格式不同D、安全邮件标准不同
PGP和S/MIME的不同之处在于()
- A、加密体系不同
- B、信任关系不同
- C、证书格式不同
- D、安全邮件标准不同
相关考题:
请教:2016计算机四级网络工程师高分突破试题多选题79如何解答? 关于S/MIME的描述中,正确的是A.与PGP完全兼容B.支持透明签名的数据C.Outlook Express支持S/MIMED.网络层需要使用IPSecE.发送和接收代理必须支持DSS
With PGP, which of the following entity signs a users’s public key?()A、 The sender of the message.B、 The receipient of the message.C、 The sender’s administrator who provides the sender with the PGP program.D、 A third party that belongs to what’s often known as "web of trust", that can verify the relationship between the user and the key.E、 The vendor of the PGP program.
关于S/MIME叙述正确的是()。A、S/MIME的认证机制依赖于层次结构的证书认证机构B、S/MIME利用单向散列算法和公钥机制C、S/MIME将邮件内容加密签名后作为特殊的附件传送D、S/MIME的证书格式采用X.500
安全多用途互联网邮件扩展(SecureMultipurpose Internet Mail Extension,S/MIME)是指一种保障邮件安全的技术,下面描述错误的是()。A、S/MIME采用了非对称密码学机制B、S/MIME支持数字证书C、S/MIME采用了邮件防火墙技术D、S/MIME支持用户身份认证和邮件加密
多选题关于S/MIME叙述正确的是()。AS/MIME的认证机制依赖于层次结构的证书认证机构BS/MIME利用单向散列算法和公钥机制CS/MIME将邮件内容加密签名后作为特殊的附件传送DS/MIME的证书格式采用X.500
单选题安全多用途互联网邮件扩展(SecureMultipurpose Internet Mail Extension,S/MIME)是指一种保障邮件安全的技术,下面描述错误的是()。AS/MIME采用了非对称密码学机制BS/MIME支持数字证书CS/MIME采用了邮件防火墙技术DS/MIME支持用户身份认证和邮件加密
单选题With PGP, which of the following entity signs a users’s public key?()A The sender of the message.B The receipient of the message.C The sender’s administrator who provides the sender with the PGP program.D A third party that belongs to what’s often known as web of trust, that can verify the relationship between the user and the key.E The vendor of the PGP program.