Which description about disconnect the TCP connection 4 times-handshake is wrong?

Which of the following is not included in the design principles of the questionnaire?

Which of the following addresses can be used for web management address of USG product? (Choose three.)

Security policy conditions can be divided into multiple fields, such as source address, destination address, source port, destination port, etc. These fields are "and", that is, only information in the packet match all fields, and then hit this policy.

Which of the following operations are necessary during theadministrator upgrade of the USG firewall software version? (Multiple Choice)