Which of the following statements is wrong about the firewall gateway's anti-virus response to the HTTP protocol?

• A.Response methods include announcement and blocking
• B.Blocking means that the device disconnects from the HTTP server and blocks file transfer.
• C.When the gateway device blocks the HTTP connection, push the web page to the client andgenerate a log.
• D.Alarm mode device only generates logs and sends them out without processing the files transmitted by the HTTP protocol.

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What are common hash algorithms? (Choose two.)

• A.AES
• B.SHA-1
• C.DES
• D.MD5

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Which of the following is true about the description of the TCP/IP protocol stack packet encapsulation?
(Multiple choice)

• A.After receiving the data packet, the network layer is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such as HTTP
• B.After the application layer receives the data packet, the application layer information is stripped after parsing, and the user data displayed at the end is exactly the same as the data sent by the sender host.
• C.The data packet is firsttransmitted to the data link layer. After parsing, the data link layer information is stripped, and the network layer information is known according to the parsing information, such as IP.
• D.After the transport layer (TCP) receives the data packet, the transport layer information is stripped after parsing, and the upper layer processing protocol, such as UDP, is known according to the parsing information

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When configuring NAT Server on the LSG series firewall, the server-map table will be generated. Which of the following does not belong in the table?

• A.Destination port
• B.Source IP
• C.Agreement number
• D.Destination IP

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Which of the following descriptions about the action and security profile of the security policy are correct? (Multiple choice)

• A.If the action of the security policy is "prohibited", the device will discard this traffic, and then no content security check will be performed.
• B.If the security policy action is "Allow", the traffic will not match the security profile.
• C.The security profile may not be applied to the security policy that the action is allowed and take effect.
• D.The security profile must be applied to the security policy that is allowed to take effect.

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