Câu 9: 4A0-101: Alcatel-Lucent Interior Routing Protocols

Which of the following statements regarding OSPF routing updates on a point-to-point link is true?

1. A. On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5. — đáp án hiện tại
2. B. On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.
3. C. On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.
4. D. On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.