试题详情
- 单项选择题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.
- D
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