aboutPKIOrdering of work processes, which of the following is correct?

Please match the following malicious code classification and description one by one

With the development of technology, some new technologies have emerged in electronic forensics. Which of the following items are new forensics technologies?

Which of the following is not a common application scenario of digital certificates? ( )[Multiple choice]*

Regarding the order of the PKI work process, which of the following is correct?
1. The communication terminal applies for the CA certificate
2. PKI reply to CA certificate
3. Obtain each other's certificates and verify the validity
4. Install the local certificate on the communication end
5. PKI issues local certificates
6. The correspondent applies for a local certificate
7. Install the CA certificate on the communication end
8. Communicate with each other