Correct Answer: A
Conditional Access policies at their simplest are if-then statements, if a user wants to access a resource, then they must complete an action.
By using Conditional Access policies, you can apply the right access controls when needed to keep your organization secure and stay out of your user's way when not needed.
Conditional Access policies at their simplest are if-then statements, if a user wants to access a resource, then they must complete an action. Example: A payroll manager wants to access the payroll application and is required to perform multi-factor authentication to access it.
Incorrect Answers:
B. An Azure AD administrative unit
Administrative units restrict permissions in a role to any portion of your organization that you define. You could, for example, use administrative units to delegate the Helpdesk Administrator role to regional support specialists, so they can manage users only in the region that they support.
C. Azure application gateway
Application gateway is a load balancing solution.
D. Azure Blueprints
Azure Blueprints enables cloud architects and central information technology groups to define a repeatable set of Azure resources that implements and adheres to an organization's standards, patterns, and requirements.
E. Azure Policy
Azure policies are used to enforce organizational standards.
Reference:
https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/overview