In the exhibit, six routers (R1, R2, R3, R4, R5, and R6) are attached to a single Ethernet
LAN and configured with addresses in the same subnet. All devices boot at the same time. Which
router will become the designated router (DR), and which router will become the backup
designated router (BDR)?

A.
DR:R3
BDR: R4

B.
DR: R4
BDR: R3

C.
DR: R6
BDR: R1

D.
DR: R6
BDR: R2