The administrator has the following configuration:
1. The signature set Protect, all includes the signature ID 3000, and the entire signature set action is blocked.
2. Overwriting the signature ID3000 action is an alarm.
Which of the following judgments is correct?

• A.No relationship between signature set and coverage signature
• B.The action of the signature ID3000 is an alarm
• C.The action of signature ID3000 is blocked
• D.Cannot determine the action of signature ID3000

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The following is a description of black and white lists in spam filtering. Which option is wrong?

• A.Configure a local blacklist or whitelist: You can configure both blacklist and whitelist at the same time, or you can configure only one of them.
• B.The priority of the blacklist is higher than that of the whitelist.
• C.Enter the IP address and mask of the blacklist SMTP server in the Blacklist text box. You can enter multiple IP addresses, one IP address one line.
• D.Enter the IP address and mask of the whitelisted SMTP server in the Whitelist text box. You can enter multiple IP addresses, one IP address one line.

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The analysis and processing capabilities of traditional firewalls at the application layer are weak, and they cannot correctly analyze malicious codes that are mixed in the flow of allowed application teaching: many Attacks or malicious behaviors often use the firewall's open application data flow to cause damage, causing application layer threats to penetrate the firewall.

• A.True
• B.False

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The administrator has defined two key words that need to be recognized on the firewall: the weight of the keyword x is 2, and the weight of the key y is 3: defined The alarm interval value from the content is 5, and the blocking threshold value is 10. If the device detects that there is a secondary key space x in the webpage created by the user, the two keywords are Y; Regarding the weight value and monthly household visits to Heshun Street, is the following statement correct?

• A.The weight value is 8, the page cannot be accessed
• B.The weight value is 10, you can ask the web page before
• C.The weight value is 8, you can visit the web page
• D.The weight value is 10, and the page cannot be accessed

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Which of the following options is a malformed packet attack based on the TCP protocol?

• A.Ping of Death attack
• B.Land attack
• C.Teardrop attack
• D.IP Spoofing attack

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