A network engineer is implementing security on all company routers. Which two commands must be issued to force authentication via the password 1C34dE for all OSPF-enabled interfaces in the backbone area of the company network? (Choose two.)
- ip ospf message-digest-key 1 md5 1C34dE
- area 1 authentication message-digest
- username OSPF password 1C34dE
- enable password 1C34dE
- area 0 authentication message-digest
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