If the router R1 returns the given output and has not had its router ID set manually, what address will EIGRP use as its router ID?

Refer to the exhibit.

If the router R1 returns the given output and has not had its router ID set manually, what address will EIGRP use as its router ID?
A . 192.168.1.2
B . 172.16.4.1
C . 192.168.10.2
D . 1.1.1.1

Answer: D

Explanation:

The router ID is selected according to the following rules:

manual configuration

highest up/up loopback

highest up/up physical interface