Câu 42: H12-711-V4-0: HCIA-Security V4.0

Which of the following statements is incorrect about certificates?

1. A. If a user service is interrupted, the user must revoke the digital certificate. Specifically, the user must unbind the public key from the user identity information.
2. B. After a PKI entity downloads a certificate, the certificate is automatically imported into the device memory and does not need to be installed. — đáp án hiện tại
3. C. After a CA generates a local certificate, the CA or RA distributes the certificate to the certificate/CRL database. Users can download certificates or browse the certificate directory in the database.
4. D. When a PKI entity’s certificate expires or certificate key is disclosed, the PKI entity must replace the certificate. In this case, the PKI entity can apply for a new application to renew the existing certificate.