Which command will need to be added to External_A to ensure that it will take over if serial 0/0 on seenagape 9 years ago Which command will need to be added to External_A to ensure that it will take over if serial 0/0 onExternal_B fails? A. standby 1 track 10.10.10.1 B. standby 1 priority 130 C. standby 1 trackfastethernet 0/0 D. standby 1 preempt ← Previous question Next question →