Which two statements about VRRP object tracking are true? (Choose two.)

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Which two statements about VRRP object tracking are true? (Choose two.)

A. VRRP supports only interface tracking.
B. A VRRP group can track only one object at a time.
C. The priority of a VRRP device can change in accordance with the up or down status of a VRRP object.
D. VRRP can track the status of interfaces and routes.
E. The VRRP interface priority must be manually configured by the administrator.