Which configuration change ensures that R1 is the active gateway whenever it is in a functional state for the 172.30.110.0724 network?

exams 350-401 V9 350-401 exam 0 Comments

Refer to the exhibit.

Which configuration change ensures that R1 is the active gateway whenever it is in a functional state for the 172.30.110.0724 network?
A . R2
standby 1 priority 90
standby 1 preempt
B . R2
standby 1 priority 100
standby 1 preempt
C . R1
standby 1 preempt
R2
standby 1 priority 90
D . R1
standby 1 preempt
R2
standby 1 priority 100