The administrator plans to implement route backup by configuring static floating routes, what is the correct way to achieve this?
A . The administrator needs to configure different metric values for the main static route and the standby static route
B . The administrator needs to configure different TAGs for the main static route and the standby static route
C . The administrator only needs to configure two static routes
D . The administrator needs to configure different protocol priority values for the main static route and the standby static route
Answer: D