What statement applies to Iteration Planning in SAFe?

Iteration Planning is required in every Iteration to enable fast learning cycles.

Teams that have no dependencies may choose not to do Iteration Planning once they have planned the PI.

Component teams require Iteration Planning in every Iteration, while Feature teams may or may not, based on dependencies.

Iteration Planning is required for all Iterations except for the first one, since there's nothing to cause a change in the PI plan yet.

When the teams define acceptance criteria during PI Planning, Iteration Planning is not strictly required during the PI.