Refer to the parti al configurations in the exhibit. What address is utilized for DR and BDR identification on Router1?()<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018073015310723134.jpg?sign=f03c682db503bd9de9bb93e9166a10cc&t=62d03d43" />
A、the serial 1/1 address
B、the serial 2/0 address
C、a randomly generated internal address
D、the configured router - id address