Regarding traditional firewalls, which of the following statements are correct? (multiple choice)

• A.Lack of effective protection against application layer threats.
• B.Ability to quickly adapt to changes in threats.
• C.It cannot effectively resist the spread of viruses from the Internet to the intranet.
• D.Unable to accurately control various applications, such as P2P, online games, etc. .

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Which of the following description is correct about the Management Center?

• A.The management server of the management center is responsible for the cleaning of abnormal traffic, as well as the collection, analysis, aggregation, and storage of service data, and is responsible for reporting the summarized traffic to the management server for report presentation.
• B.The data collector and management server support distributed deployment and centralized deployment. Centralized deployment has good scalability.
• C.The data collector is responsible for abnormal traffic cleaning, centralized device management configuration, and business report presentation.
• D.Management Center is divided into two parts: management server and data collector.

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Which of the following options does not belong to the characteristics of big data technology?

• A.Low value density
• B.Slow processing
• C.Huge amounts of data
• D.Variety of data

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Viruses can damage computer systems. v Change and damage business data: spyware collects, uses, and disperses sensitive information of corporate employees.
These malicious pastoral software seriously disturb the normal business of the enterprise. Desktop anti-disease software can solve the problem of central virus and indirect software from the overall situation.

• A.False
• B.True

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Intrusion detection is a network security technology used to detect any damage or attempt to damage the confidentiality, integrity or availability of the system. Which of the following What is the content of the intrusion detection knowledge base?

• A.Specific behavior patterns
• B.Complete virus sample
• C.Complete Trojan Horse
• D.Security Policy

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