What does router R1 use as its OSPF router-ID?

Refer to the exhibit.

What does router R1 use as its OSPF router-ID?
A . 10.10.1.10
B . 10.10.10.20
C . 172.16.15.10
D . 192.168.0.1

View Answer

Answer: C

Explanation:

OSPF uses the following criteria to select the router ID: