View the exhibit, which contains the partial output of an IKE real-time debug, and then answer the question below.

Why didn't the tunnel come up?
Select an option, then click Submit answer.
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The remote gateway is using aggressive mode and the local gateway is configured to use main mode.
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The remote gateway's phase 1 configuration does not match the local gateway's phase 1 configuration.
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The remote gateway's phase 2 configuration does not match the local gateway's phase 2 configuration
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The pre-shared keys do not match.