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    Astronomer - Apache Airflow 3 Fundamentals DAG Authoring Practice Questions & Free Practice Exam

    5 free Astronomer - Apache Airflow 3 Fundamentals DAG Authoring practice questions below, with instant explanations. The full simulator contains hundreds of exam-style questions across every topic.

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    Question 1

    Presets translate to fixed cron strings. Which literal five-field expression is the exact equivalent of the `@daily` preset?

    Question 2

    A DAG has three recorded versions where `enrich` existed only in version 2 and was later removed. With the version selector set to Latest, which behavior does the grid view show for `enrich`?

    Question 3

    Gating the entire downstream sub-graph on a boolean value returned by a callable is the job of which decorator?

    Question 4

    Following a logistics reconciliation review, an engineer needs the daily reconciliation task on partition D+1 to begin only after the same task on partition D reached the `success` state, regardless of what other tasks in the current run did. Which per-task setting produces that gate?

    Question 5

    Return values from a mapped `load` task feed a downstream non-mapped `summarise` task that accepts a single list parameter and consumes `load`'s XComArg output. How does the scheduler present the mapped payloads to the downstream callable?

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