137、refer to the exhibit. R1 has an OSPF path to R2 and R3 for 10.1.0.0/24, but R1 has a routing entry for 10.1.0.0/24 from only one router at a time. Which option is the most likely cause?
THE R1 MAXIMUM-PATH IS SET TO 1
R3 HAS A HIGHER ADMINISTRATIVE DISTANCE.
R3 IS USING A FILTER LIST
R2 IS USING AN OFFSET-LIST
