单选题What is the correct virtual link configuration on an OSPF router？（）A area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}B area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}C area 0.0.0.1{ virtual-linkneighbor-id 172
题目
单选题
What is the correct virtual link configuration on an OSPF router？（）
A
area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
B
area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
C
area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
D
area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}