See solution below.
Explanation
1. Open the Azure portal.
2. On the left menu, select All resources. You can sort the resources by Type to easily find your images.
3. Select the image you want to use from the list. The image Overview page opens.
4. Select Create VM from the menu.
5. Enter the virtual machine information.
Select VM1003a as the name for the first Virtual machine.The user name and password entered here will be used to log in to the virtual machine. When complete, select OK. You can create the new VM in an existing resource group, or choose Create new to create a new resource group to store the VM.
6. Select a size for the VM. To see more sizes, select View all or change the Supported disk type filter.
7. Under Settings, make changes as necessary and select OK.
8. On the summary page, you should see your image name listed as a Private image. Select Ok to start the virtual machine deployment.
Repeat the procedure for the second VM and name it VM1003b.
References:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/create-vm-generalized-managed

Explanation

Box 1: New-AzureRmWebAppSlot
The New-AzureRmWebAppSlot cmdlet creates an Azure Web App Slot in a given a resource group that uses the specified App Service plan and data center.
Box 2: -SourceWebApp
References:
https://docs.microsoft.com/en-us/powershell/module/azurerm.websites/new-azurermwebappslot

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Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Explanation

See solution below.
Explanation
Step 1: Click Create a resource in the portal.
Step 2: Enter Virtual network in the Search the Marketplace box at the top of the New pane that appears. Click Virtual network when it appears in the search results.
Step 3: Select Classic in the Select a deployment model box in the Virtual Network pane that appears, then click Create.
Step 4: Enter the following values on the Create virtual network (classic) pane and then click Create:
Name: VNET1008
Address space: 10.0.0.0/16
Subnet name: subnet0
Resource group: Create new
Subnet address range: 10.0.0.0/24
Subscription and location: Select your subscription and location.
Step 5: In the portal, you can create only one subnet when you create a virtual network. Click Subnets (in the SETTINGS section) on the Create virtual network (classic) pane that appears.
Click +Add on the VNET1008 - Subnets pane that appears.
Step 6: Enter subnet1 for Name on the Add subnet pane. Enter 10.0.1.0/24 for Address range. Click OK.
Step 7: Create the third subnet: Click +Add on the VNET1008 - Subnets pane that appears. Enter subnet2 for Name on the Add subnet pane. Enter 10.0.2.0/24 for Address range. Click OK.
References: https://docs.microsoft.com/en-us/azure/virtual-network/create-virtual-network-classic

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Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).