Quick Answer
The answer is automatically building a container image on code commit and automatically rebuilding images when a base image is updated. ACR Tasks provides event-driven triggers that eliminate manual intervention: the first action uses a Git commit trigger to build an image whenever code is pushed to a repository, while the second leverages the base image update trigger to patch dependent images when the underlying base image in a registry is refreshed. On the AZ-204 exam, this topic tests your understanding of automated container lifecycle management, often appearing in scenario-based questions where you must choose the correct trigger type for a given workflow. A common trap is confusing the code commit trigger with the base image update trigger—remember that code changes rebuild the application, while base image updates patch security vulnerabilities. The memory tip is “code for features, base for patches,” linking each trigger to its primary purpose.
This AZ-204 practice question tests your understanding of develop azure compute solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Which TWO actions can you perform using Azure Container Registry (ACR) tasks?
Schedule a task to patch base images
ACR Tasks can run on schedule to rebuild images.
Automatically build a container image on code commit
ACR Tasks support git commit triggers.
Import images from another registry
Why wrong: Import is separate from Tasks.
Deploy images to AKS
Why wrong: Deployment is separate.
Automatically scan images for vulnerabilities
Why wrong: Scanning is not an ACR Task; use Defender.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Schedule a task to patch base images
ACR Tasks supports automated patching of base images through the 'base image update' trigger. When a base image in a public or private registry is updated, ACR Tasks can automatically rebuild any container images that depend on it, ensuring security patches are applied without manual intervention. This is configured via the `--base-image-trigger-enabled` flag in the `az acr task create` command.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Schedule a task to patch base images
Why this is correct
ACR Tasks can run on schedule to rebuild images.
Related concept
Read the scenario before looking for a memorised answer.
Automatically build a container image on code commit
Why this is correct
ACR Tasks support git commit triggers.
Related concept
Read the scenario before looking for a memorised answer.
Import images from another registry
Why it's wrong here
Import is separate from Tasks.
Deploy images to AKS
Why it's wrong here
Deployment is separate.
Automatically scan images for vulnerabilities
Why it's wrong here
Scanning is not an ACR Task; use Defender.
Common exam traps
The trap here is that candidates confuse ACR Tasks with the broader Azure Container Registry feature set, assuming that import, deployment, or scanning are part of ACR Tasks when they are separate services or commands.
Detailed technical explanation
ACR Tasks uses a multi-step YAML-based pipeline definition that can include build, push, and run steps, but it does not orchestrate deployments or scanning. The base image update trigger works by comparing the digest of the base image; when the digest changes, ACR Tasks automatically queues a new run for any task that references that base image. This is particularly useful in CI/CD pipelines where base images (e.g., `mcr.microsoft.com/dotnet/aspnet:6.0`) are frequently updated with security patches.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
The correct answer is: Schedule a task to patch base images — ACR Tasks supports automated patching of base images through the 'base image update' trigger. When a base image in a public or private registry is updated, ACR Tasks can automatically rebuild any container images that depend on it, ensuring security patches are applied without manual intervention. This is configured via the `--base-image-trigger-enabled` flag in the `az acr task create` command.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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