Which of the following is true about WLAN?

After opening IP strategy, found part of the business fails, what are the possible reasons? (Choose 2 answers)

MAC bypass authentication means that the access control device automatically obtains MAC address after the terminal is connected to the network, and sends the certificate of the access network to RADIUS server for verification.

Regarding the file source set in the software management, which of the following descriptions is correct?

Business entourage is a special access control method. According to the user's access point, access time, access method and user terminal specified permission is granted. As long as the user access conditions remain unchanged, the permissions and network experience after accessing the network are the same.