Administrators want to clear the current session table. Which of the following command is correct?

• A.clear firewall session table
• B.reset firewall session table
• C.display firewall session table
• D.display session table

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Which of the following are the key features of the state inspection firewall include?

• A.The processing speed is slow
• B.Do the packet filtering detection to each packet
• C.Can only detect network layer
• D.Follow-up packet processing performance is excellent

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In stateful inspection firewall, when opening state detection mechanism, three-way handshake's second packet (SYN + ACK) arrives the firewall. If there is still no corresponding session table on the firewall, then which of the following statement is correct?

• A.packets must pass through the firewall, and establishes a session table
• B.packets must not pass through the firewall
• C.If the firewall security policy allows packets through, then creating the session table
• D.If the firewall security policy allows packets through, then the packets can pass through the firewall

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Which of the following are the status information that can be backed up by the HRP (Huawei Redundancy Protocol) protocol? (Multiple choice)

• A.Dynamic blacklist
• B.Session table
• C.ServerMap entry
• D.Routing table

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Which of the following are multi-user operating systems? (Multiple choice)

• A.Windows
• B.UNIX
• C.LINUX
• D.MSDOS

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