Refer to the graphic, which of the following statements is true about OSPF topology and configuration?

NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct ().

As shown in the figure, is the description of this network topology correct? () (Single-choice question)

The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP

Router A. and Router B are established OSPF neighbor relationship, the OSPF process number of router A. is
1, and the area number is 0. Which of the following configurations on router A can enable router B to obtain the route of the network segment where host A is located? ()