Data analysis technology is to find and match keywords or key phrases in the acquired data stream or information flow, and analyze the correlation of time. Which of the following is not an evidence analysis technique?

• A.Spam tracking technology
• B.Techniques for discovering the connections between different evidences
• C.Password deciphering, data decryption technology
• D.Document Digital Abstract Analysis Technology

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Which of the following is true about the sequencing of the PKI work process?
1. The communication terminal applies for CA certificate.
2. PKI replies to CA certificate
3. Obtain each other's certificate and verify the validity
4. Communication terminal installs local certificate
5. PKI issues a local certificate
6. The communication terminal applies for a local certificate
7. Communication terminal installs CA certificate
8. Communicate with each other

• A.6-5-4-3-1-2-7-8
• B.1-2-6-5-7-4-3-8
• C.6-5-4-1-2-7-3-8
• D.1-2-7-6-5-4-3-8

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Which of the following description is wrong about the Internet users and VPN access user authentication?

• A.After the VPN user accesses the network, it can access the network resources of the enterprise headquarters. The firewall can control the accessible network resources based on theuser name.
• B.The local authentication or server authentication process is basically the same for the Internet users. The authentication is performed on the user through the authentication domain.
• C.The Internet user andthe VPN access user share data, and the users attribute check (user status, account expiration time, etc.) also takes effect on the VPN access.
• D.After the VPN access user passes the authentication, it will be online on the user online list.

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The host firewall is mainly used to protect the host from attacks and intrusions from the network

• A.True
• B.False

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How to view the matching number of security policy?

• A.display startup saved-configuration
• B.display device
• C.display current-configuration
• D.display policy all

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