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