Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making router R2 the active HSRP router. Which two solutions should the engineer choose? (Choose two.) 

Answer options:

A. implement IP SLA on router R1
B. use a floating static route
C. implement PBR on router R1
D. implement Enhanced Object Tracking on router R1
E. use IP source routing

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