Question 1
Which Airflow component is responsible for reading DAG files, determining when tasks are ready to run, and sending them to the executor?
Correct Answer:
Scheduler
Question 2
What does the Airflow metadata database store?
Correct Answer:
Task instance states, DAG run history, variables, and connections
Question 3
Which executor is appropriate for a single-machine Airflow deployment with moderate workloads and does NOT require a Celery or Kubernetes infrastructure?
Correct Answer:
LocalExecutor
Question 4
In the following DAG snippet, what is the task execution order? ```python extract >> transform >> load ```
Correct Answer:
extract → transform → load
Question 5
A DAG has start_date = datetime(2026, 1, 1) and schedule_interval='@daily'. It is deployed for the first time on 2026-01-05 with catchup=True. How many DAG runs will Airflow immediately trigger?
Correct Answer:
4 (January 1, 2, 3, and 4)
Question 1
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Prepare with the Airflow Fundamentals Practice Questions - Astronomer Certification for Apache Airflow Fundamentals Exam practice quiz. This question bank includes 100 questions covering airflow, task, tasks, runs, and trigger. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Airflow Fundamentals Practice Questions - Astronomer Certification for Apache Airflow Fundamentals Exam

This practice set contains 100 questions from the matching question bank and focuses on airflow, task, tasks, runs, and trigger. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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