单项选择题
A.On 1， disable preempt
B.On 2， decrease the priority value to a value less than 150
C.On 1， increase the decrement value in the track command to a value greater than 6
D.On 1， disable track command.
单项选择题 Network topology exhibit： Interface VLAN 101 exhibit： Interface VLAN 102 exhibit： Interface VLAN 104 exhibit： Interface VLAN 105 exhibit： You work as a network technician at. You study the network topology and the other exhibits carefully. Consider the distribution switches1 and 2. 1 is the primary device for Vlan 101， 102， 105. 2 is the primary device for Vlan 103 and 104 Note： Please refer to the #2 scenario. 2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group. What can be done to make the group function properly ？（）
单项选择题 Switch 1 was configured as shown below： Based on the output shown above， which statement is true？（）
单项选择题 The following was configured on a switch： Switch（config） # spanning-tree portfast bpdufilter default What is the effect of this configuration command？（）
