The IPS process has the following steps:
1. Reorganize application data
2. Match signature
3. Message processing
4. Protocol identification
Which of the following is the correct ordering for the processing?

• A.1-4-2-3
• B.2-4-1-3
• C.4-1-2-3
• D.1-3-2-4

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Abnormal detection is to establish the normal behavior characteristic profile of the system subject through the analysis of the audit data of the system: check if the audit data in the system If there is a big discrepancy with the normal behavior characteristics of the established subject, it is considered an intrusion. Nasu must be used as the system subject? (multiple choice)

• A.Single user
• B.Host
• C.A group of users
• D.A key program and file in the system

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Cloud sandbox refers to deploying the sandbox in the cloud and providing remote detection services for tenants. The process includes:
1. Report suspicious files
2. Retrospective attack
3. Firewall linkage defense
4. Prosecution in the cloud sandbox
For the ordering of the process, which of the following options is correct?

• A.3-1-4-2
• B.1-4-3-2
• C.1-3-4-2
• D.1-4-2-3

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Regarding intrusion detection I defense equipment, which of the following statements are correct? (multiple choice)

• A.Ability to quickly adapt to threat changes
• B.It cannot effectively prevent the virus from spreading from the Internet to the intranet.
• C.The number of applications that NIP6000 can recognize reaches 6000+, which realizes refined application protection, saves export bandwidth, and guarantees key business services Experience.
• D.Protect the intranet from external attacks, and inhibit malicious flows, such as spyware, worms, etc.
  from flooding and spreading to the intranet.

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Which of the following options is a malformed packet attack based on the TCP protocol?

• A.Ping of Death attack
• B.Teardrop attack
• C.IP Spoofing attack
• D.Land attack

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