Which two items are most likely the cause of Switch1 not becoming the active router?

HSRP was implemented and configured on two switches while scheduled network maintenance was performed. After the two switches have finished rebooting, you notice via show commands that Switch2 is the HSRP active router.

Which two items are most likely the cause of Switch1 not becoming the active router? (Choose two)
A . booting delays
B . standby group number does not match VLAN number
C . IP addressing is incorrect
D . premption is disabled
E . incorrect standby timers
F . IP redirect is disabled

Answer: AD