多选题Which of the following are true of both OSPFv2 and OSPFv3?（）AThe method of choosing an OSPF router IDBVerification checks that must be validated before two routers can become OSPF neighborsCSupport for route tagsDSupport for multiple instances per inter face
多选题
Which of the following are true of both OSPFv2 and OSPFv3?（）
A
The method of choosing an OSPF router ID
B
Verification checks that must be validated before two routers can become OSPF neighbors
C
Support for route tags
D
Support for multiple instances per inter face
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