Terminal security the three-dimensional defense includes three aspects. Which of the following options does not belong to the three-dimensional defense?

In Portal authentication, which of the following parameters must be configured on the switch? (Multiple choice)

In the visitor reception hall of a company, there are many temporary terminal users, and the administrator hopes that users do not need to provide any account numbers and passwords. access Internet. Which of the following authentication methods can be used for access?

In the campus network, employees can use 802.1X, Portal,MAC Address or SACG Way to access. Use different access methods according to different needs to achieve the purpose of user access control.

Visitors can access the network through their registered account. Which of the following is not an account approval method?