What content can be filtered by the content filtering technology of Huawei USG6000? (Multiple Choices)

• A.Direction of file upload
• B.File types
• C.Keywords contained in the uploaded file contents
• D.Keywords contained in the download file

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During the infiltration phase of APT attack, which of the following attack behaviors will the attacker generally have?

• A.By phishing emails, attachments carrying a 0day vulnerability cause the user's terminal to become a springboard for attacks.
• B.Long-term latency and key data collection.
• C.The attacker sends C&C attack or other remote command to the infected host, cause the attack to spread horizontally across the intranet.
• D.Leaks key data information to interested third parties.

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The following commands are configured on the Huawei firewall:
[USG] firewall defend ip-fragment enable
Which of the following situations will be recorded as an offensive behavior? (multiple choice)

• A.The DF bit is 1, and Fragment Ofset + Length <65535.
• B.DF bit is 023, MF bit is 1 or Fragment Offset is not 0,
• C.DF bit is 0, and Fragment Offset + Length> 65535.
• D.DF, bit is down, and MF bit is also 1 or Fragment Offset is not 0,

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Which of the following statements is wrong about Huawei anti-virus technology?

• A.The virus detection system cannot directly detect compressed files
• B.Anti-virus engine can detect file type by file extension
• C.The maximum number of unpacked layers of the gateway antivirus default file is 3
• D.Gateway anti-virus implementation is based on proxy scanning and flow scanning

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Which of the following is correct about special packets attack?

• A.The attacker probes the network structure by sending special control packets to launch real attack.
• B.Attacks on special control packets can only use ICMP to construct attack packets.
• C.The special control packets attack is a potential attack and does not have direct destruction.
• D.Attacks on special control packets do not have the ability to detect network structures. Only scanning-type attacks can detect the network.

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