Assume two routers on the same subnet, R1 and R2, both configured for HSRP. R1 has a priority of 120. Which of the following HSRP interface configurations will always result in the R2 becoming the primary?
A.
standby 1 priority 110
B.
standby 1 priority 120
C.
standby 1 priority 130
D.
standby 1 priority 110 preempt
E.
standby 1 priority 120 preempt
F.
standby 1 priority 130 preempt