Which of the following descriptions is wrong about the root CA certificate?

• A.The certificate subject name isCA.
• B.Signature is generated by CA public key encryption
• C.The issuer is CA
• D.Public key information is the public key ofthe CA

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Digital certificates can be divided into local certificates, CA certificates, root certificates and self-signed certificates according to different usage scenarios.

• A.False
• B.True

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Evidence identification needs to resolve the integrity verification of the evidence and determine whether it meets the applicable standards. Which of the following statements is correct about the standard of evidence identification?

• A.Objective standard means that the acquisition, storage, and submission of electronic evidence should be legal, and the basic rights such as national interests, social welfare, and personal privacy are not strictly violated.
• B.Fairness standard refers to the evidence obtained by the legal subject through legal means, which has the evidence ability.
• C.Relevance criterion means that if the electronic evidence can have a substantial impact on the facts of the case to a certain extent, the court should determine that it is relevant.
• D.Legality standard is to ensure that the electronic evidence is collected from the initial collection, and there is no change in the content of the evidence submitted as evidence.

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Based on the GRE encapsulation and de-encapsulation, which description is error?

• A.Encapsulation Process: The original data packetstransmit the data packets through looking up routing to the Tunnel interface to trigger GRE encapsulation.
• B.Encapsulation Process: After GRE module packaging, the data packet will enter the IP module for further processing
• C.De-encapsulation Process: After GRE module de-encapsulation, the data packets will enter the IPmodule for further processing.
• D.De-encapsulation Process: After the destination receives GRE packets, transmitting the data packets through looking up the routing to the Tunnel interfaces to trigger GRE encapsulation.

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Which ofthe following descriptions is correct about port mirroring? (Multiple Choice)

• A.The mirrored port copies the packet to the observing port.
• B.The observing port copies the packet to the mirrored port.
• C.The mirrored port sends the received packet to the monitoring device.
• D.The observing port sends the "eceived packet to the monitoring device.

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