Refer to the partial configurations in the exhibit.

What address is utilized for DR and BDR identification on Router1?

A.
the configured router-id address

B.
an arbitrarily generated internal address

C.
the sequential 1/1 address

D.
the sequential 2/0 address

Explanation:
The point of this question is DR and BDR election of OSPFv3.
OSPF test the title of the DR and BDR election.
DR and BDR election there are two standards:
1. Interface priority, the default is 1.
2. Router-iD. manually specify> Highest loopback interface> Highest active IP address
This title, there is no priority list, it is the default, manually specify the Router-iD. 10.1.1.3, so handRouter-id specified in the election has become the standard DR and BDR.
The selection of DR and BDR is the same between OSPFv2 and OSPFv3.