How does the System Admin accomplish this?

To access Financial Services Cloud Lightning Components "My Domain" must be enabled.

How does the System Admin accomplish this?
A . Register a subdomam using the My Domain wizard and then deploy it
B . Open a case with Salesforce Support
C . Enable Communities
D . Go to Custom Settings and edit the Industries Settings

Answer: A

Explanation:

My Domain is a feature in Salesforce that allows you to create a subdomain for your org. You need to enable My Domain to access Financial Services Cloud Lightning Components, such as Actionable Relationship Center, Relationship Map, Life Events & Business Milestones, etc. To enable My Domain, you need to do the following:

Register a subdomain using the My Domain wizard in Setup > My Domain.

Deploy it to your users after testing it in your sandbox or developer org.

Verified Reference:

Salesforce Help Article [7]