Cloud deployment models (public, private, hybrid) in Azure - Mini Project: Build & Apply

Understanding Cloud Deployment Models with Azure

📖 Scenario: You are working as a cloud engineer for a company that wants to understand different cloud deployment models. They want to see how to define and configure resources in Azure for public, private, and hybrid cloud setups.

🎯 Goal: Build simple Azure resource configurations that represent public, private, and hybrid cloud deployment models. You will create resource groups and virtual networks to simulate each model.

📋 What You'll Learn

Create an Azure resource group for the public cloud model

Create a variable to hold the location for resources

Create a virtual network inside the resource group to represent private cloud

Add a subnet configuration to the virtual network to complete the hybrid cloud setup

💡 Why This Matters

🌍 Real World

Companies use different cloud deployment models to meet their security, compliance, and cost needs. Understanding how to configure these models in Azure helps in planning and managing cloud infrastructure.

💼 Career

Cloud engineers and architects must know how to set up and manage public, private, and hybrid clouds using Azure resources to support business requirements.

1

Create a resource group for the public cloud model

Create an Azure resource group called PublicCloudRG in the eastus location.

Azure

# Create a resource group named PublicCloudRG in eastus
# Your code here

Hint

Use the azurerm_resource_group resource with the exact name PublicCloudRG and location eastus.

2

Add a variable for the Azure location

Create a variable called location and set its default value to eastus.

Azure

resource "azurerm_resource_group" "PublicCloudRG" {
  name     = "PublicCloudRG"
  location = "eastus"
}

# Create a variable named location with default eastus
# Your code here

Hint

Define a variable block with the name location and set the default to eastus.

3

Create a virtual network for the private cloud model

Create an Azure virtual network called PrivateVNet inside a resource group called PrivateCloudRG using the variable location for location.

Azure

resource "azurerm_resource_group" "PublicCloudRG" {
  name     = "PublicCloudRG"
  location = "eastus"
}

variable "location" {
  type    = string
  default = "eastus"
}

# Create a resource group PrivateCloudRG and a virtual network PrivateVNet using variable location
# Your code here

Hint

Create a new resource group PrivateCloudRG and then create a virtual network PrivateVNet inside it. Use var.location for location.

4

Add a subnet to the virtual network for hybrid cloud setup

Add a subnet named HybridSubnet with address prefix 10.0.1.0/24 inside the virtual network PrivateVNet.

Azure

resource "azurerm_resource_group" "PublicCloudRG" {
  name     = "PublicCloudRG"
  location = "eastus"
}

variable "location" {
  type    = string
  default = "eastus"
}

resource "azurerm_resource_group" "PrivateCloudRG" {
  name     = "PrivateCloudRG"
  location = var.location
}

resource "azurerm_virtual_network" "PrivateVNet" {
  name                = "PrivateVNet"
  address_space       = ["10.0.0.0/16"]
  location            = var.location
  resource_group_name = azurerm_resource_group.PrivateCloudRG.name
}

# Add a subnet HybridSubnet with address prefix 10.0.1.0/24 inside PrivateVNet
# Your code here

Hint

Use the azurerm_subnet resource with the exact name HybridSubnet. Link it to PrivateVNet and set the address prefix as 10.0.1.0/24.

Practice

1. Which cloud deployment model is shared among multiple organizations and accessible over the internet?

easy

A. Public cloud

B. Private cloud

C. Hybrid cloud

D. Community cloud

Solution

1. Step 1: Understand public cloud characteristics

   Public cloud resources are shared and accessible to many users over the internet.

2. Step 2: Compare with other models

   Private cloud is dedicated to one organization; hybrid mixes both. Community cloud is shared by a specific group, not open to all.

3. Final Answer:

   Public cloud -> Option A

4. Quick Check:

   Shared and open = Public cloud [OK]

Hint: Shared and open means public cloud [OK]

Common Mistakes:

• Confusing private cloud as shared
• Thinking hybrid is fully public
• Mixing community cloud with public cloud

2. Which of the following is the correct description of a private cloud?

easy

A. Cloud resources shared publicly over the internet

B. Cloud infrastructure dedicated to a single organization

C. Combination of public and private clouds

D. Cloud services managed by a third-party for multiple organizations

Solution

1. Step 1: Define private cloud

   Private cloud means cloud infrastructure is dedicated to one organization only.

2. Step 2: Eliminate other options

   Public cloud is shared publicly, hybrid is a mix, and third-party managed multi-org is community or public cloud.

3. Final Answer:

   Cloud infrastructure dedicated to a single organization -> Option B

4. Quick Check:

   Dedicated to one org = Private cloud [OK]

Hint: Dedicated to one organization means private cloud [OK]

Common Mistakes:

• Choosing public cloud for private cloud definition
• Confusing hybrid cloud with private cloud
• Thinking third-party management means private cloud

3. A company uses a cloud setup where sensitive data is stored on their own servers, but they use public cloud services for less critical workloads. What type of cloud deployment model is this?

medium

A. Public cloud

B. Private cloud

C. Hybrid cloud

D. Community cloud

Solution

1. Step 1: Analyze the setup

   Sensitive data on private servers means private cloud; less critical workloads on public cloud means public cloud.

2. Step 2: Identify the combined model

   Using both private and public clouds together is called hybrid cloud.

3. Final Answer:

   Hybrid cloud -> Option C

4. Quick Check:

   Mix of private and public = Hybrid cloud [OK]

Hint: Mix of private and public clouds is hybrid [OK]

Common Mistakes:

• Choosing private cloud only
• Confusing community cloud with hybrid
• Selecting public cloud ignoring private part

4. Identify the error in this cloud deployment description: "A hybrid cloud stores all data on public cloud servers but uses private cloud for running applications."

medium

A. Hybrid cloud cannot use public cloud servers

B. Private cloud cannot run applications

C. Hybrid cloud must use community cloud services

D. Data storage and application hosting roles are reversed

Solution

1. Step 1: Understand hybrid cloud roles

   Hybrid cloud mixes private and public clouds, typically sensitive data is kept private, apps can run anywhere.

2. Step 2: Spot the reversed roles

   The description says all data is on public cloud but apps run on private cloud, which is unusual and reversed from best practice.

3. Final Answer:

   Data storage and application hosting roles are reversed -> Option D

4. Quick Check:

   Data usually private, apps flexible = Roles reversed [OK]

Hint: Data usually private, apps flexible in hybrid [OK]

Common Mistakes:

• Thinking hybrid can't use public cloud
• Believing private cloud can't run apps
• Confusing community cloud with hybrid

5. A company wants to keep customer financial data highly secure on their own servers but also wants to quickly scale their website traffic using cloud resources. Which deployment model should they choose and why?

hard

A. Hybrid cloud, because it combines secure private storage with scalable public resources

B. Private cloud, because it allows unlimited scaling without sharing resources

C. Public cloud, because it offers the best security for financial data

D. Community cloud, because it shares resources with similar companies

Solution

1. Step 1: Identify security needs

   Financial data needs high security, best kept on private servers.

2. Step 2: Identify scaling needs

   Website traffic can be handled by scalable public cloud resources.

3. Step 3: Match deployment model

   Hybrid cloud combines private security with public scalability, fitting both needs.

4. Final Answer:

   Hybrid cloud, because it combines secure private storage with scalable public resources -> Option A

5. Quick Check:

   Secure + scalable = Hybrid cloud [OK]

Hint: Secure data + scale = hybrid cloud [OK]

Common Mistakes:

• Choosing public cloud for sensitive data
• Assuming private cloud scales unlimited
• Confusing community cloud with hybrid