Why containers on Azure matter - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a basic Azure Container Instance.

Azure

az container create --resource-group myResourceGroup --name mycontainer --image [1] --cpu 1 --memory 1.5

Drag options to blanks, or click blank then click option'

Anginx

Bmyapp

Cazure

Dcontainer

Attempts:

3 left

💡 Hint

Common Mistakes

Using a non-existent or invalid image name.

Confusing resource group or container names with image names.

The nginx image is a common container image used for web servers and is valid for Azure Container Instances.

2fill in blank

medium

Complete the code to expose the container on port 80.

Azure

az container create --resource-group myResourceGroup --name mycontainer --image nginx --ports [1]

Drag options to blanks, or click blank then click option'

A443

B22

C80

D8080

Attempts:

3 left

💡 Hint

Common Mistakes

Using SSH port 22 instead of HTTP port 80.

Using HTTPS port 443 when the container is not configured for SSL.

Port 80 is the standard port for HTTP traffic and is commonly used to expose web containers.

3fill in blank

hard

Fix the error in the command to restart the container instance.

Azure

az container [1] --resource-group myResourceGroup --name mycontainer

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Arestart

Bstop

Cdelete

Dcreate

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'create' which tries to make a new container.

Using 'delete' which removes the container.

Using 'stop' which only stops but does not restart.

The restart command is used to restart an existing Azure Container Instance.

4fill in blank

hard

Fill both blanks to define environment variables for the container.

Azure

az container create --resource-group myResourceGroup --name mycontainer --image nginx --environment-variables [1]=[2]

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AENVIRONMENT

Bproduction

Cdevelopment

DVERSION

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping variable name and value.

Using unrelated variable names.

Setting environment variable ENVIRONMENT to production is a common practice to configure container behavior.

5fill in blank

hard

Fill all three blanks to create a container with a restart policy and CPU count.

Azure

az container create --resource-group myResourceGroup --name mycontainer --image nginx --restart-policy [1] --cpu [2] --memory [3]

Drag options to blanks, or click blank then click option'

AAlways

B2

C1.5

DNever

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Never' restart policy which stops automatic restarts.

Setting CPU or memory to zero or invalid values.

The Always restart policy ensures the container restarts if it stops. Setting CPU to 2 and memory to 1.5 GB allocates resources appropriately.