A. Binary format

B. net flow format

C. Syslog format

D. ASCII encoding format

A. Online users have reached the maximum value

B. The authentication-free user does not use a PC with the specified IP/MAC address

C. The authentication action in the authentication policy is set to "no account/authentication-free"

D. Authentication-free users and authenticated users are in the same security zone

A. Device user management

B. Admin user management

C. Internet user management

D. Access user management

A. Each user group can include multiple users and user groups

B. Each user belongs to at least one user group and can also belong to multiple user groups

C. The system has one by defaultdefaultUser group, which is also the system default authentication domain

D. Each user group can belong to multiple parent user groups