AZ-104 - Deploy and Manage Azure Compute Resources (24% of the exam) - Section 3.3

Provision and manage containers using Azure Container Instances and Azure Container Apps.

Describe Azure Container Instances as a serverless option for running containers without managing underlying infrastructure, and contrast it with Azure Container Apps, which adds built-in scaling and traffic management. Configure container groups, pass environment variables for runtime configuration, and pull images from Azure Container Registry.

Azure Container InstancesAzure Container Appscontainer groupsenvironment variablescontainer registry

Practice question for this objective

Free sampleDeploy and Manage Azure Compute Resourcesmedium

You want application container images to be rebuilt automatically whenever the base image they depend on is updated, without your team running the builds manually. Which Azure Container Registry capability should you configure?

AGeo-replication of the registry
BContent trust for image signing
CAzure Container Registry tasks Correct
DWebhook integration on the registry

Azure Container Registry tasks automate image builds on triggers including base image updates and source code commits. Azure Container Registry tasks can automatically rebuild application images when their base images are updated, and can build on demand or on triggers such as source commits and base image updates.

Why A is wrong: Geo-replication distributes images across geographies; it does not trigger rebuilds when a base image changes.

Why B is wrong: Content trust signs image tags; it does not rebuild images on base image updates.

Why C is correct: Correct. Azure Container Registry tasks can automatically rebuild application images when their base images are updated, and can build on demand or on triggers such as source commits and base image updates.

Why D is wrong: Webhooks notify external systems of registry events but do not themselves rebuild images from updated base images.

See more AZ-104 practice questions, answers explained.

Exam traps in Deploy and Manage Azure Compute Resources

Answers that look right on this material and are not. Each one is a distractor from a different question in the AZ-104 bank for this domain.

Windows containers
Why it is wrong: For Windows containers, ACI supports deployment of only a single container instance, so a multi-container group cannot use Windows.
It scales to zero like every other Container Apps scaler
Why it is wrong: Most applications can scale to zero, but apps that scale on CPU or memory load are the documented exception that cannot.
Geo-replicate stored images across geographies
Why it is wrong: Geo-replication of images is a Premium Azure Container Registry feature, not a Container Apps capability.

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