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单项选择题Which statement about OSPF authentication is true?()

A、To enable OSPF authentication in a network, OSPF area 0 authentications must be enabled first

B、The payload of OSPF version 3 packets contains no authentication information

C、OSPF version 3 supports Advanced Encryption Standard

D、OSPF version 3 uses router ID as a key to encrypt OSPF hello packets

E、OSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP

  • B
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