Is the following description of ospf virtual links correct?

Is the following description of ospf virtual links correct?
A . A virtual connection can be established in any area, after which it itself belongs to the region
B. The virtual connection ip is used as the link address
C. Virtual links can be used to solve the problem of zone 0 being segmented
D. The cost of a virtual connection is zero and is the optimal link

View Answer

Answer: C