Explanation

Box 1: User1, User2, User3, User4
Contains "ON" is true for Montreal (User1), MONTREAL (User2), London (User 3), and Ontario (User4) as string and regex operations are not case sensitive.
Box 2: Only User3
Match "*on" is only true for London (User3).
Scenario:
Contoso.com contains the users shown in the following table.

Contoso.com contains the security groups shown in the following table.

References:
https://docs.microsoft.com/en-us/azure/active-directory/users-groups-roles/groups-dynamic-membership

Explanation
Note: Create a workspace
* In the Azure portal, click All services. In the list of resources, type Log Analytics. As you begin typing, the list filters based on your input. Select Log Analytics.
* Click Create, and then select choices for the following items:
Provide a name for the new Log Analytics workspace, such as DefaultLAWorkspace. OMS workspaces are now referred to as Log Analytics workspaces.
Select a Subscription to link to by selecting from the drop-down list if the default selected is not appropriate.
For Resource Group, select an existing resource group that contains one or more Azure virtual machines.
Select the Location your VMs are deployed to. For additional information, see which regions Log Analytics is available in.

See the explanation below.
Explanation
Step 1:
1. In Azure portal go to the storage account you want to secure. Here: rg1lod10598168
2. Click on the settings menu called Firewalls and virtual networks.
3. To deny access by default, choose to allow access from Selected networks. To allow traffic from all networks, choose to allow access from All networks.
4. Click Save to apply your changes.
Step 2:
1. Go to the storage account you want to secure. Here: rg1lod10598168
2. Click on the settings menu called Firewalls and virtual networks.
3. Check that you've selected to allow access from Selected networks.
4. To grant access to a virtual network with a new network rule, under Virtual networks, click Add existing virtual network, select Virtual networks and Subnets options. Enter the 131.107.0.0/16 subnet and then click Add.
Note: When network rules are configured, only applications requesting data over the specified set of networks can access a storage account. You can limit access to your storage account to requests originating from specified IP addresses, IP ranges or from a list of subnets in an Azure Virtual Network (VNet).
Reference:
https://docs.microsoft.com/en-us/azure/storage/common/storage-network-security

Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/connect-logon

Explanation

Box 1: User3 only
Use the Members (self) option to have the users review their own role assignments.
Box 2: User3 will receive a confirmation request
Use the Should reviewer not respond list to specify what happens for users that are not reviewed by the reviewer within the review period. This setting does not impact users who have been reviewed by the reviewers manually. If the final reviewer's decision is Deny, then the user's access will be removed.
No change - Leave user's access unchanged
Remove access - Remove user's access
Approve access - Approve user's access
Take recommendations - Take the system's recommendation on denying or approving the user's continued access References:
https://docs.microsoft.com/bs-latn-ba/azure/active-directory/privileged-identity-management/pim-how-to-start-