Which of the following is the action to be taken in the eradication phase in cybersecurity emergency response? (Multiple choice)

• A.Look for trojan horses, illegal authorizations, and system loopholes, and deal with them in time
• B.Revise the security policy based on the security incidents that occur, and enable security auditing
• C.Block the attacking behavior and reduce the scope of influence
• D.Confirm the degree of damage caused by the security incident and report the security incident

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ASPF(Application Specific Packet Filter) is a packet filtering technology based on the application layer and is passed throughserver-mapTables implement special security mechanisms.
aboutASPFandserver-mapWhich of the following statements is correct? (multiple choice)

• A.ASPFMonitor messages during communication
• B.ASPFpass throughserver-mapTable implementation dynamically allows multi-channel protocol data to pass through
• C.Quintupleserver-mapThe table entry implements a similar function to the session table
• D.ASPFcan be created dynamicallyserver-mapsurface

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When an enterprise establishes its own information system, it checks each operation according to the authoritative standards formulated by the international, and can check whether its own information system is safe or not.

• A.True
• B.False

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Which of the following NAT technologies can implement a public network address to provide source address translation for multiple private network addresses ( )*

• A.NAT Server
• B.NAT No-PAT
• C.NAPT
• D.Easy-ip
  CT Jinglu

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Clients in the Trust zone of the firewall can log in to the FTP server in the Untrust zone, but cannot download files. Which of the following methods can solve the problem? (Multiple Choice)

• A.When FTP working mode is Passive mode, modify the security policy action from Trust to Untrust zone to allow
• B.Enable detect ftp
• C.Release 21 port number between Trust and Untrust
• D.When the FTP working mode is port mode, modify the security policy action from Trust to Untrust zone to allow

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