For compressed files, the virus detection system can directly detect them.

• A.False
• B.True

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

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

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Which of the following descriptions are correct for proxy-based anti-virus gateways? (multiple choice)

• A.More advanced operations such as decompression, shelling, etc. can be performed
• B.The detection rate is higher than the flow scanning method
• C.Cache all files through the gateway's own protocol stack
• D.System overhead will be relatively small

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Which of the following technology, administrators can according to business requirements, to scale to achieve load sharing of business flow?

• A.Hot Standby
• B.load balancing
• C.Resource pool mechanism
• D.weighting mechanism

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If the user's FTP operation matches the FTP filtering policy, what actions can be performed? (multiple choice)

• A.Block
• B.Declare
• C.Execution
• D.Alarm

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