Which statement is correct based upon the following output from the show command on RT1 ? （） 
- A、OSPFv3 establishes neighbor adjacencies by using global IPv6 addresses.
- B、OSPFv3 establishes neighbor adjacencies by using Link - local addresses.
- C、RT1 owns a subnet mask of 64 bits.
- D、OSPFv3 establishes neighbor adjacencies by using IPv4 addr esses.
正确答案:B
答案解析:有
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