Which command will need to be added to External_A to ensure that it will take over if serial 0/0 on External_B fails?()
- A standby 1 priority 130
- B standby 1 preempt
- C standby 1 track fastethernet 0/0
- D standby 1 track 10.10.10.1
Which command will need to be added to External_A to ensure that it will take over if serial 0/0 on External_B fails?()