Resource group commands in Azure - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ service_behavior

intermediate

What is the output of this Azure CLI command?

You run the command az group list --query "[].name" -o json. What will this command output?

Azure

az group list --query "[].name" -o json

A ["ResourceGroup1": {}, "ResourceGroup2": {}]

B [{"name": "ResourceGroup1"}, {"name": "ResourceGroup2"}]

C ["ResourceGroup1", "ResourceGroup2", "ResourceGroup3"]

D SyntaxError: Invalid query syntax

💡 Hint

The command lists resource groups and extracts only their names as a list.

The command lists all resource groups and uses JMESPath query to select only the 'name' property, outputting a JSON array of strings.

❓ Configuration

intermediate

Which Azure CLI command creates a resource group in the East US region?

Select the correct command to create a resource group named MyGroup in the eastus location.

A az group create --name MyGroup --location eastus

B az create group --name MyGroup --location eastus

C az group create --resource-group MyGroup --location eastus

D az group new --name MyGroup --location eastus

💡 Hint

The correct command uses 'az group create' with '--name' and '--location' parameters.

The Azure CLI command to create a resource group is 'az group create' with the '--name' parameter for the group name and '--location' for the region.

❓ security

advanced

What happens if you delete a resource group with active resources?

You run az group delete --name MyGroup --yes on a resource group that contains virtual machines and storage accounts. What is the result?

A The resource group is deleted but resources are moved to a default group.

B The resource group and all its resources are deleted permanently.

C The command fails with an error because resources are active.

D Only the resource group is deleted; resources remain intact.

💡 Hint

Deleting a resource group deletes everything inside it.

Deleting a resource group deletes the group and all resources contained within it permanently.

❓ Architecture

advanced

Which option correctly describes the best practice for organizing resources in Azure?

You want to organize resources by environment (dev, test, prod) and by application. Which approach is best?

A Create separate resource groups for each environment and application combination.

B Put all resources in a single resource group regardless of environment or application.

C Create resource groups only by application, ignoring environment.

D Create one resource group per subscription and put all resources there.

💡 Hint

Resource groups help manage and isolate resources logically.

Creating separate resource groups per environment and application helps manage lifecycle, permissions, and billing clearly.

🧠 Conceptual

expert

What is the effect of running az group update --name MyGroup --set tags.env=production?

You run the command to update a resource group. What happens to the tags of the resource group?

Azure

az group update --name MyGroup --set tags.env=production

A The tag 'env' is added but existing tags with the same key cause an error.

B All existing tags are removed and replaced with only 'env=production'.

C The command fails because '--set' cannot update tags.

D The tag 'env' is added or updated to 'production' without affecting other tags.

💡 Hint

The '--set' parameter updates or adds properties without removing others.

Using '--set tags.env=production' updates or adds the 'env' tag to 'production' while preserving other tags.

Practice

1. What is the main purpose of an Azure resource group?

easy

A. To store data permanently like a database

B. To run virtual machines directly

C. To organize and manage related cloud resources together

D. To provide internet access to resources

Solution

1. Step 1: Understand resource group role

   Resource groups are containers that hold related Azure resources for easier management.

2. Step 2: Differentiate from other services

   They do not store data or run services directly but organize resources like VMs, databases, etc.

3. Final Answer:

   To organize and manage related cloud resources together -> Option C

4. Quick Check:

   Resource group = container for related resources [OK]

Hint: Resource groups group resources logically for management [OK]

Common Mistakes:

• Thinking resource groups store data
• Confusing resource groups with virtual machines
• Assuming resource groups provide network access

2. Which Azure CLI command correctly creates a resource group named MyGroup in the eastus region?

easy

A. az group create --name MyGroup --location eastus

B. az resource create --group MyGroup --location eastus

C. az group new --name MyGroup --region eastus

D. az create group --name MyGroup --location eastus

Solution

1. Step 1: Identify correct command syntax

   The correct command to create a resource group is az group create with --name and --location parameters.

2. Step 2: Check options for errors

   Options B, C, and D use incorrect commands or parameters not recognized by Azure CLI.

3. Final Answer:

   az group create --name MyGroup --location eastus -> Option A

4. Quick Check:

   Use az group create to create resource groups [OK]

Hint: Use 'az group create' with --name and --location [OK]

Common Mistakes:

• Using 'az resource create' instead of 'az group create'
• Using wrong flags like --region instead of --location
• Incorrect command order or misspelling

3. What will be the output of the command az group list --query "[].name" -o tsv?

medium

A. A count of how many resource groups exist

B. Detailed JSON information about each resource group

C. An error because the query syntax is wrong

D. A list of resource group names, one per line

Solution

1. Step 1: Understand the command parts

   az group list lists all resource groups. The --query "[].name" extracts only the names. The -o tsv outputs plain text, one name per line.

2. Step 2: Interpret output format

   The output will be a simple list of resource group names, each on its own line, without JSON formatting.

3. Final Answer:

   A list of resource group names, one per line -> Option D

4. Quick Check:

   Query extracts names; tsv outputs plain list [OK]

Hint: Use --query with -o tsv to get plain lists [OK]

Common Mistakes:

• Expecting JSON output with -o tsv
• Misunderstanding query syntax
• Thinking it returns count instead of names

4. You run az group delete --name MyGroup but get an error saying the resource group does not exist. What is the likely cause?

medium

A. The resource group name is misspelled or does not exist

B. You need to specify the location with --location

C. The delete command requires confirmation flag

D. You must stop all resources inside before deleting

Solution

1. Step 1: Analyze error message

   The error says the resource group does not exist, so the name is likely wrong or the group was deleted already.

2. Step 2: Check command requirements

   The delete command does not require location or stopping resources first; it deletes all resources inside automatically.

3. Final Answer:

   The resource group name is misspelled or does not exist -> Option A

4. Quick Check:

   Delete fails if group name is wrong [OK]

Hint: Check spelling of resource group name first [OK]

Common Mistakes:

• Assuming location is needed to delete
• Thinking resources must be stopped manually
• Forgetting to confirm deletion (not required)

5. You want to delete a resource group named TestGroup without any confirmation prompts. Which command should you use?

hard

A. az group remove --name TestGroup --yes

B. az group delete --name TestGroup --yes

C. az group delete --name TestGroup --force

D. az group remove --name TestGroup --force

Solution

1. Step 1: Identify correct delete command

   The command to delete a resource group is az group delete. The --yes flag skips confirmation prompts.

2. Step 2: Verify flags and commands

   --force is not a valid flag for this command, and az group remove is not a recognized command.

3. Final Answer:

   az group delete --name TestGroup --yes -> Option B

4. Quick Check:

   Use --yes to skip confirmation on delete [OK]

Hint: Add --yes to delete without prompt [OK]

Common Mistakes:

• Using --force instead of --yes
• Using az group remove instead of az group delete
• Omitting confirmation flag and expecting no prompt