Database operation records can be used as ___ evidence to backtrack security events.[fill in the blank]*

Both digital envelopes and digital signatures guarantee data security and verify the origin of data.

The following description of digital certificates, which one is wrong

As shown in the figure, nat server global202.106.1.1 inside10.10.1.1 is configured on the firewall. Which of the following is the correct configuration for interzone rules? ( )[Multiple choice]*

Please match the following information security risks to information security incidents one by one.[fill in the blank]* physical security risk Enterprise server permissions are loosely set Information Security Management Risk Infected Panda Burning Incense Information Access Risk Fire destroyed equipment in computer room application risk Talk to people about leaking company secrets