单项选择题
A.On 1, disable preempt
B.On 1, decrease the priority value to a value less than 190 and greater than 150
C.On 2, increase the priority value to a value greater 241 and less than 249
D.On 2, increase the decrement value in the track command to a value greater than 10 and less than 50.
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?()
多项选择题 An SVI has been configured on a device. Which two statements are true about a switched virtual interface (SVI)?()