Implement IaaS solutions, ARM templates

Question 1

What does ARM Templates stand for

Answer 1

Azure Resource Manager Templates. Azure Resource Manager is the interface for managing and organizing cloud resources. Think of Resource Manager as a way to deploy cloud resources.

Question 2

What is the main goal of ARM Templates

Answer 2

Simplify resource deployment

Question 3

ARM Format

Answer 3

JSON, like:

{
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "",
    "parameters": {  },
    "variables": {  },
    "functions": [  ],
    "resources": [  ],
    "outputs": {  }
}

Question 4

ARM Format main parts?

Answer 4

Schema, Parameters, variables, functions, resources and outputs.

Question 5

What are ARM Parameters used for

Answer 5

Values that are provided when deployment is executed to customize resource deployment.

Question 6

What are ARM Variables used for

Answer 6

This is where you define values that are used throughout the template. Variables can help make your templates easier to maintain. For example, you might define a storage account name one time as a variable and use that variable throughout the template. If the storage account name changes, you need to only update the variable.

Question 7

What are ARM functions used for

Answer 7

This is where you define procedures that you don’t want to repeat throughout the template. Like variables, functions can help make your templates easier to maintain.

Question 8

What are ARM Resources used for

Answer 8

This section is where you define the Azure resources that make up your deployment.

Question 9

What are ARM Outputs used for

Answer 9

This is where you define any information you’d like to receive when the template runs. For example, you might want to receive your VM’s IP address or FQDN – information you do not know until the deployment runs.

Question 10

How to write a Resource Manager template?

Answer 10

From Scratch or modify existing. Using Azure Portal to export templates from existing resources

Question 11

. Declarative automation means that:

• You define both what resources you need as well as the steps needed to create them.
• You define what resources you need but not how to create them.
• You define what resources you need, and the system ensures that those resources are always available.

Answer 11

You define what resources you need but not how to create them.
In the case of Resource Manager templates, Resource Manager takes care of these details for you.

Question 12

What does Resource Manager do when receiving JSON Template

Answer 12

Converting Template into REST API Operation and sending to appropriate target.