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OSPFv2 is an IGP running on IPv4 networks, and OSPv3 is an IGP running on IPv6 networks. The basic working mechanism of OSPFv3 is the same as that of OSFv2, such as the election of DR and BDR. An engineer uses three routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFv3.
Which of the following descriptions about the DR election for this network is correct?
- A . After the network converges, R1 is the DR
B. After the network converges, the engineer changes the priority of R1 to 100, the priority of R2 to 10, and the default value of R3. When the network converges again, R1 is DR and R2 is BDR
C. After the network converges, a new device R4 is added to the broadcast link, and the priority of R4 is 150. When the network converges again, R4 is DR
D. After the network converges, R1 is powered off and restarted. When the network converges again. R3 is DR
Suggested Answer: B
Posted : 11/11/2022 9:57 pm