Refer to the exhibit. Router RT-1 and router RT-2 both advertise network 131.25.0.0/16 to
router RT-3 via internal BGP. What is the reason that router RT-3 chose router RT-1 as its
best path to network 131.25.0.0/16.
RT-1# show ip bgp 131.25.0.0
BGP routing table entry for 131.25.0.0/16 version 14
Paths: (2 available, best#2, table Default-IP-Routing-Table)
Not advertised to any peer
5005 7007 31250
165.105.254.2 (meteric 782) from 165.105.2.2(165.2.2.2)
Origin incomplete, metric 0, localpref 100, valid, internal
3003 6006 31250
165.105.255.2 (meteric 782) from 165.105.11.1(165.1.1.1)
Origin incomplete, metric 0, localpref 100, valid, internal,
best
A.
It advertises the best AS-path.
B.
It advertises the best origin code.
C.
It advertises the best MED.
D.
It advertises the best local preference.
E.
It has a better router ID.
F.
It advertises a lower autonomous system.
Explanation:
Recall the route selection decision process in BGP:
Consider only (synchronized) routes with no AS loops and a valid next hop, and then:
