Refer to the exhibit.

R1 interface f0/0 ip address 10.10.10.2 255.255.255.0 standby version 2 standby 10 ip 10.10.10.1 standby 10 timers 5 15 standby 10 preempt

R2 interface f0/0 ip address 10.10.10.3 255.255.255.0 standby version 2 standby 10 ip 10.10.10.1 standby 10 timers 5 15 standby 10 preempt

A customer discovers router R1 remains active even when the R1 uplink (F0/1) is down. Which two comments can be applied to R1 to allow
R2 to take over as the HSRP active?

A.	standby 10 track 50 shutdown
B.	standby 10 track 50 decrement 20
C.	track 50 ip route 10.10.10.0/24 reachability
D.	standby 10 track 50
E.	track 50 interface Fa0/1 ip routing