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Which message indicates IKE Phase 2 has completed successfully?

Which message indicates IKE Phase 2 has completed successfully?

A. Quick Mode Complete

B. Aggressive Mode Complete

C. Main Mode Complete

D. IKE Mode Complete

Answer: A

Explanation:

Quick Mode Complete is the message that indicates IKE Phase 2 has completed successfully2. IKE Phase 2 is also known as Quick Mode or Child SA in IKEv1 and IKEv2 respectively. Aggressive Mode and Main Mode are part of IKE Phase 1, which establishes the IKE SA. IKE Mode is not a valid term for IKE negotiation.

Reference: How to Analyze IKE Phase 2 VPN Status Messages, IKEv2 Phase 1 (IKE SA) and Phase 2 (Child SA) Message Exchanges, Understand IPsec IKEv1 Protocol

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