Which of the following statements about APs and STAs are TRUE during an active/standby switchover in dual-link HSB mode? (Multiple Choice)

Which of the following statements about APs and STAs are TRUE during an active/standby switchover in dual-link HSB mode? (Multiple Choice)
A . APs do not need to go online again.
B . APs need to go online again.
C . STAs do not need to go online again.
D . STAs need to go online again.

Answer: AC