Refer to the exhibit. On the basis of the information presented， which statement is true？（） 
- A、OSPF router 5.0.0.2 is an ABR
- B、Network 6.0.0.0/8 was learned from an OSPF neighbor within the area
- C、The default route is learned from an OSPF neighbor
- D、A default route is configured on the local router
正确答案:B
答案解析:有
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