GCP-ADP Data Pipeline Orchestration Practice Question
You need to run a task in Cloud Composer only if the previous task failed. Which Trigger Rule should you use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
one_failed
The 'one_failed' trigger rule allows a task to execute if at least one parent task has failed.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
none_failed
Why it's wrong here
Executes if no parent failed (can include skipped).
- ✗
always
Why it's wrong here
Executes regardless of parent status.
- ✗
all_success
Why it's wrong here
Executes only if all parents succeed.
- ✓
one_failed
Why this is correct
This trigger rule executes if any parent task failed.
About these practice questions
This GCP-ADP question is part of Courseiva's 205-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Google Cloud exam blueprint
This GCP-ADP practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the GCP-ADP exam.