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Refer to the exhibit.

Which of the following should you do to configure the IP phone to override the priority of the data packets it receives from the host？ （）

You administer a network that uses two routers， R1 and R2， configured as an HSRP group to  provide redundancy for the gateway. Router R1 is the active router and has been configured as  follows：  
R1#configure terminal  
R1（config）#interface fa0/0  
R1（config-if）#ip address 10.10.0.5 255.255.255.0  
R1（config-if）#standby 1 priority 150  
R1（config-if）#standby preempt delay minimum 50  
R1（config-if）#standby 1 track interface fa0/2 15  
R1（config-if）#standby 1 ip 10.10.0.20  
Which of the following describes the effect the standby preempt delay minimum 50 command will  have on router R1？（）