MPLS advertise labels in different way. As shown in the following figure, SWB and SWA (as the upstream switch) advertise labels in DU mode.

Which of the following statements are true? (Multiple Choice)

VXLAN is irrelevant to SDN technology.

If security policy is not configured between firewall domains or when searching for a security policy, all security policies are not hit, the default packet filtering action between domains is performed by default. ( )

During BFD session establishment between devices, which state is not involved?

Administrators can query the online user status on eSight to check whether unauthorized users exist, improving the security monitoring capabilities.