Run the az acr build command : Correct Choice
az acr build command queues a quick build, providing streaming logs for an Azure Container Registry az acr build --registry
[--agent-pool]
[--auth-mode {Default, None}]
[--build-arg]
[--file]
[--image]
[--no-format]
[--no-logs]
[--no-push]
[--no-wait]
[--platform]
[--resource-group]
[--secret-build-arg]
[--subscription]
[--target]
[--timeout]
[<SOURCE_LOCATION>]
Create a host pool on Cluster1 : Incorrect Choice
Host pools are a collection of one or more identical virtual machines (VMs) within Windows Virtual Desktop environments. It won't deploy the app to the cluster.
Run the docker push command : Incorrect Choice
Use docker push to share your images to the Docker Hub registry or to a self-hosted one. It won't deploy the app to the cluster.
Run the docker build command : Incorrect Choice
This command will build an image from a Dockerfile. But in the question it has been said that image file is already built and need to deploy. This command will not deploy the image.
Reference:
https://docs.microsoft.com/en-us/cli/azure/acr?view=azure-cli-latest#az-acr-build
https://docs.docker.com/engine/reference/commandline/push/
https://docs.microsoft.com/en-us/azure/virtual-desktop/create-host-pools-azure-marketplace
https://docs.docker.com/engine/reference/commandline/build/