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ACE Practice Question: A team wants to configure a Cloud Scheduler job…
This ACE practice question tests your understanding of a team wants to configure a cloud scheduler job…. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A team wants to configure a Cloud Scheduler job to invoke a Cloud Run service endpoint every hour using HTTP POST. The Cloud Run service requires authentication. How should the Scheduler job be configured to authenticate?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Configure an API key for the Cloud Run service and include it in the scheduled request URL
Cloud Run authentication uses IAM/OIDC tokens — API keys are not a valid authentication mechanism for Cloud Run.
B
Distractor review
Include a Bearer token in the Authorization header of the scheduled HTTP request
Static Bearer tokens are not recommended — they are long-lived credentials. OIDC tokens are short-lived and generated dynamically by Cloud Scheduler.
C
Best answer
Configure the Cloud Scheduler job with OIDC authentication using a service account that has Cloud Run Invoker permission
Cloud Scheduler supports OIDC token authentication — it generates a short-lived token for the configured service account and sends it with each request. The service account needs Cloud Run Invoker on the target service.
D
Distractor review
Make the Cloud Run service publicly accessible and use Cloud Armor to restrict access to Cloud Scheduler IPs
Cloud Scheduler IPs are not static — using OIDC is the correct, scalable authentication approach.
Common exam trap
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Technical deep dive
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
A startup creates its first Google Cloud project. Before deploying any paid resources, what must be linked to the project?
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FAQ
Questions learners often ask
What does this ACE question test?
Authentication checks who the user is.
What is the correct answer to this question?
The correct answer is: Configure the Cloud Scheduler job with OIDC authentication using a service account that has Cloud Run Invoker permission — Cloud Scheduler supports OIDC token-based authentication for invoking Cloud Run and Cloud Functions services. The scheduler job is configured with an OIDC token generated for a service account that has Cloud Run Invoker permission on the target service.
What should I do if I get this ACE question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related ACE questions on access control and AAA configuration.
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This ACE 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 ACE exam.