When the user single sign-on is configured, the receiving PC message mode is adopted. The authentication process has the following steps: 1 The visitor PC executes the login script and sends the user login information to the AD monitor. 2 The firewall extracts the correspondence between the user and the IP from the login information. Add to the online user table 3 AD monitor connects to the AD server to query the login user information, and forwards the queried user information to the firewall. 4 The visitor logs in to the AD domain. The AD server returns the login success message to the user and delivers the login script. which of the following order is correct?

• A.1-2-3-4
• B.4-1-3-2
• C.1-4-3-2
• D.3-2-1-4

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The European TCSEC Code is divided into two modules, Function and Evaluation, which are mainly used in the military, government and commercial fields.

• A.True
• B.False

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Which of the following descriptions is wrong about IKE SA?

• A.IKE SA for IPSec SA services
• B.IKE is a UDP-based application layer protocol
• C.IKE SA is two-way
• D.The encryption algorithm used by user data packets is determined by IKE SA.

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Which of the following descriptions is wrong ebout the source of electron c evidence?

• A.Movies and TV shows belong to electronic evidence related to network technology.
• B.Database opera'.ion records, operating system logs are computer-related electronic evidence
• C.Fax data, mobile phone recording is an electronic evidence related to communication technology.
• D.Operating system, e-mail, chat records car be used as asource of electronic evidence

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Regarding Ihe description of the packe: in the iptables transmission process, which of the following option is wrong?

• A.If the destination address of the packet is not local, the system sends the packet to the OUTPUT chain.
• B.When a packet enters the network card, it first matches the PREROUTING chain
• C.If the destination address of the packet is not local,the system sends the packet to the FORWARD chain.
• D.Ifthe destination address of the packet is local, the packet will be sent to the INPUT chain

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