The following description of digital certificates, which one is wrong

Under normal circumstances, the Emai1 protocols we often talk about include ____, POP3, and SMTP.[fill in the blank]*

Which of the following descriptions about the main implementation of single sign-on is wrong? ( )[Multiple choice]*

What are the correct entries in the following description of firewall security zones?

The following description of investigation and evidence collection, which one is correct

Drag the phases of the cybersecurity emergency response on the left into the box on the right, and arrange them from top to bottom in the order of execution. 1. Inhibition stage, 2. recovery phase, 3. Detection stage, 4. eradication phase[fill in the blank]*

Using the ___ method of the Web proxy, the virtual gateway will encrypt the real URL that the user wants to access, and can adapt to different terminal types.[fill in the blank]*

Social engineering is a means of harm such as deception, harm, etc. through psychological traps such as psychological weaknesses, instinctive reactions, curiosity, trust, and greed of victims ( )

Drag the warning level of the network security emergency response on the left into the box on the right, and arrange it from top to bottom in order of severity.[fill in the blank]*

As shown in the figure, the process of AD single sign-on (querying the security log mode of AD server), please match the corresponding operation process.