When managing guest accounts, you need to create a guest account policy and set the account creation method. For the account creation method, which of the following descriptions is wrong?

Which of the following options is correct for PKI process sequence?

An account can belong to multiple roles, that is, a user may hold multiple positions.

Regarding the policy for checking account security, which of the following descriptions are correct? (Multiple choice)

In the terminal security all-round defense system, use PPT-PDCA The model can effectively implement terminal security defense. Which of the following options does not belong to PPT Model?