Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI) Exam Materials - Question #5 Discussion

Refer to the exhibit. Which configuration resolves the issue? (Choose one answer)

• A. int GigabitEthernet 2
  ip ospf key 1 cisco
  ip ospf authentication
• B. router ospf 1
  area 1 authentication message-digest
  
  int GigabitEthernet 2
  ip ospf message-digest-key 1 md5 cisco
• C. key chain ospf
  key 1
  key-string 1234567890
  cryptographic-algorithm hmac-sha-1
  
  interface GigabitEthernet2
  ip ospf authentication key-chain ospf
• D. int GigabitEthernet 2
  ip ospf message-digest-key 1 md5 cisco
  ip ospf authentication message-digest

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