Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?

Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?
A . IP packets sent to an IP multicast address.
B . TCP packets sent to an IP multicast address.
C . Ethernet frames sent to an Ethernet MAC address.
D . UDP packets sent to an IP multicast address.

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Answer: A