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

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About this Exam

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.

Sample Questions

Question 1
Which Airflow component is responsible for reading DAG files, determining when tasks are ready to run, and sending them to the executor?
Scheduler
Webserver
Executor
Metadata database
Question 2
What does the Airflow metadata database store?
DAG source code files
Task instance states, DAG run history, variables, and connections
Executor worker logs
Python operator return values only
Question 3
Which executor is appropriate for a single-machine Airflow deployment with moderate workloads and does NOT require a Celery or Kubernetes infrastructure?
SequentialExecutor
LocalExecutor
CeleryExecutor
KubernetesExecutor
Question 4
In the following DAG snippet, what is the task execution order? ```python extract >> transform >> load ```
load → transform → extract
extract → transform → load
All three run in parallel
transform → extract → 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?
1 (only the most recent missed run)
4 (January 1, 2, 3, and 4)
5 (January 1 through 5)
0 (Airflow waits for the next scheduled run)

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Additional Information

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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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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