About WEB URL filtering technology audit function, which of the following description is correct? (Choose 3 answers)

• A.internal users access to the specified type of WEB resource, the firewall will be logged and sent to log server.
• B.The user can configure the web type to be audited, WEB types to distinguish with file extensions, including html, jsp, aspx, etc.
• C.can audit user HTTP access in the specific content of the Post, as a user Internet censorship
• D.URL audit function is used to record the user's HTTP Internet behavior as the basis for the audit.

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Agile Controller-Campus product architecture includes three levels. Which of the following does not belong to product architecture hierarchy?

• A.User access layer
• B.Admission control layer
• C.Server layer
• D.Network device layer

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In the centralized networking, the database, SM server, SC server and AE server are all installed at the headquarters of the enterprise. This networking mode is applicable to enterprises with a wide geographical distribution of users and a large number of users.

• A.True
• B.False

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Regarding CAPWAP encryption, which of the following statements is wrong?

• A.Use the certificate method to carry out DTLS Negotiation, the certificate is only used to generate the key, not right AP Perform authentication.
• B.DTLS Encryption can guarantee AC The issued control messages will not be eavesdropped on.
• C.CAPWAP The data tunnel can be used DTLS Encrypted.
• D.DTLS Support two authentication methods:Certificate authentication(out AC,AP Already brought)with PSK Password authentication.

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Configuring WLAN device detection can realize the monitoring of the entire network, but you need to set the working mode of the AP first, which of the following options are.
What is the working mode of AP? (multiple choice)

• A.access mode
• B.Mixed mode
• C.Normal mode
• D.Monitoring mode

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