GCP-ADP Data Pipeline Orchestration Practice Question
When using Cloud Scheduler to trigger a Workflows execution, what is the best practice for authenticating the scheduler to the Workflows API?
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
✓
Use an OIDC token with a service account.
Using an OIDC token with a service account that has the 'Workflows Invoker' role is the secure, recommended method.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use an API Key generated in the console.
Why it's wrong here
API keys are not recommended for service-to-service authentication.
- ✗
Hardcode credentials in the scheduler job.
Why it's wrong here
Hardcoding is never a best practice.
- ✗
Use 'Public' access for the workflow.
Why it's wrong here
Workflows should always be authenticated.
- ✓
Use an OIDC token with a service account.
Why this is correct
OIDC provides secure authentication for Google Cloud API calls.
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.