Which three statements describe the similarities between OSPFv2 and OSPFv3? (Choose three.)

Last Updated: Jan 31, 2023
IT Exam Items Repository › Category: CCNA 3 v6 › Which three statements describe the similarities between OSPFv2 and OSPFv3? (Choose three.)

Which three statements describe the similarities between OSPFv2 and OSPFv3? (Choose three.)

  • They both are link-state protocols.
  • They both use the global address as the source address when sending OSPF messages.
  • They both share the concept of multiple areas.
  • They both support IPsec for authentication.
  • They both use the same DR/BDR election process.
  • They both have unicast routing enabled by default.

Explanation: Only OSPFv2 messages are sourced from the IP address of the exit interface; OSPFv3 uses the link-local address of the exit interface. Only OSPFv3 uses IPsec; OSPFv2 uses plaintext or MD5 authentication. Unicast routing is enabled by default only with OSPFv2.

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