You are a global admin in a company with a Microsoft 365 E5 subscription. You notice that some users have set up email forwarding out of your organization. You wish to be notified whenever someone in your organization creates an auto-forwarding email redirect rule. What should you do?

Answer options:

A.In Microsoft 365 Compliance center, select Alerts
B.In Microsoft 365 Compliance center, select Policies
C.In Microsoft 365 Compliance center, select Reports
D.In Microsoft 365 Compliance center, select Data Loss Prevention

Correct Answer: B 
You should navigate to Microsoft 365 Compliance Center -> Policies -> Alert Policies, and enable the built-in Policy “Creation of forwarding/redirect rule”: 

Select “Edit” under Email recipients to add your user as recipient of the alert rule output.
Option A is incorrect. This is where you can view information related to already enabled alert policies. We need to enable our policy first.
Option C is incorrect. This is where you can view status and trends for the compliance of your Microsoft 365 devices, data, identities, apps, and infrastructure.
Option D is incorrect. This is where you can configure Data loss prevention policies.
Reference: 
To know more about setting up alert policies, please refer to the link below: 

https://docs.microsoft.com/en-us/microsoft-365/compliance/alert-policies?view=o365-worldwide