Microsoft Updated AZ-700 Exam Questions and Answers by alec

To configure a policy in Azure API Management that can be used by an Azure Application Gateway to protect against known web attack vectors and only allow requests from IP addresses in Canada, follow these steps:

Step-by-Step Solution

Step 1: Create or Access Your API Management Instance

Navigate to the Azure Portal.

Search for “API Management services” and select your API Management instance.

Step 2: Configure the Policy

In the API Management instance, go to the “APIs” section.

Select the API you want to apply the policy to.

Go to the “Design” tab.

Select “All operations” if you want to apply the policy to all operations, or select a specific operation.

Step 3: Add the Inbound Policy

In the Inbound processing section, click on “+ Add policy”.

Select “IP filter” from the list of policies.

Add the IP address ranges for Canada. You can find the IP ranges for Canada from a reliable source or use a service that provides this information.

Here is an example of the XML configuration for the policy:

Save the policy to apply the changes.

Explanation

IP Filter Policy: This policy allows you to filter incoming requests based on their IP addresses. By specifying the IP ranges for Canada, you ensure that only requests originating from these IPs are allowed.

Inbound Processing: Applying the policy in the inbound section ensures that the requests are filtered before they reach your API.

By following these steps, you can configure a policy in Azure API Management that restricts access to your API to only those requests originating from IP addresses in Canada, thereby enhancing security and compliance

To deploy Azure virtual machines to the France Central region and ensure they are in a network segment with an IP address range of 10.5.1.0/24, follow these steps:

Step-by-Step Solution

Step 1: Create a Virtual Network in France Central

Navigate to the Azure Portal.

Search for “Virtual networks” in the search bar and select it.

Click on “Create”.

Enter the following details:

Subscription: Select your subscription.

Resource Group: Select an existing resource group or create a new one.

Name: Enter a name for the virtual network (e.g., VNet-FranceCentral).

Region: Select France Central.

Click on “Next: IP Addresses”.

Step 2: Configure the Address Space and Subnet

In the IP Addresses tab, enter the address space as 10.5.1.0/24.

Click on “Add subnet”.

Enter the following details:

Subnet name: Enter a name for the subnet (e.g., Subnet-1).

Subnet address range: Enter 10.5.1.0/24.

Click on “Add”.

Click on “Review + create” and then “Create”.

Step 3: Deploy Virtual Machines to the Virtual Network

Navigate to the Azure Portal.

Search for “Virtual machines” in the search bar and select it.

Click on “Create” and then “Azure virtual machine”.

Enter the following details:

Subscription: Select your subscription.

Resource Group: Select the same resource group used for the virtual network.

Virtual machine name: Enter a name for the VM.

Region: Select France Central.

Image: Select the desired OS image.

Size: Select the appropriate VM size.

Click on “Next: Disks”, configure the disks as needed, and then click on “Next: Networking”.

In the Networking tab, select the virtual network (VNet-FranceCentral) and subnet (Subnet-1) created earlier.

Complete the remaining configuration steps and click on “Review + create” and then “Create”.

Explanation

Virtual Network: A virtual network in Azure allows you to create a logically isolated network that can host your Azure resources.

Address Space: The address space 10.5.1.0/24 ensures that the VMs are in a specific network segment.

Subnet: Subnets allow you to segment the virtual network into smaller, manageable sections.

Region: Deploying the virtual network and VMs in the France Central region ensures that the resources are physically located in that region.

By following these steps, you can ensure that your Azure virtual machines in the France Central region are deployed within the specified IP address range of 10.5.1.0/24.

To minimize the risk of SNAT port exhaustion for your 100 virtual machines in subnet4-1, while ensuring minimal administrative effort, you can use an Azure NAT Gateway. This service provides scalable and resilient outbound connectivity for virtual networks, dynamically allocating SNAT ports to avoid exhaustion.

Navigate to the Azure Portal.

Search for “NAT gateways” and select it.

Click on “Create”.

Enter the following details:

Subscription: Select your subscription.

Resource Group: Select an existing resource group or create a new one.

Name: Enter a name for the NAT gateway (e.g., NATGateway-Subnet4-1).

Region: Select the region where your virtual network is located.

Click on “Next: Outbound IP”.

Choose whether to use existing public IP addresses or create new ones.

If creating new ones, click on “Add new” and configure the new public IP addresses.

Click on “Next: Subnet”.

Click on “Associate subnet”.

Select the virtual network that contains subnet4-1.

Select subnet4-1 from the list of subnets.

Click on “OK”.

Review your settings to ensure everything is correct.

Click on “Review + create” and then “Create”.

Azure NAT Gateway: This service provides outbound connectivity for virtual networks, dynamically allocating SNAT ports across all VM instances within a subnet. This dynamic allocation helps prevent SNAT port exhaustion, especially in scenarios with high outbound connection volumes12.

Dynamic SNAT Port Allocation: Unlike static allocation methods, NAT Gateway dynamically allocates SNAT ports based on demand, ensuring efficient use of available ports and reducing the risk of exhaustion2.

Step-by-Step SolutionStep 1: Create a NAT GatewayStep 2: Configure Outbound IP AddressesStep 3: Associate the NAT Gateway with Subnet4-1Step 4: Review and CreateExplanationBy following these steps, you can ensure that your 100 virtual machines in subnet4-1 can make the necessary API calls without running into SNAT port exhaustion, all while minimizing administrative effort.