Which two configurations can companies add to brand the Field Service mobile app?

An Architect is required to integrate with an External Data Source via a Named Credential with an Apex callout due to technical constraints.
How is authentication achieved?

Universal Containers maintains their service level agreements at the customer level only. How can a Consultant ensure agents can verify coverage?

A company's security assessment noted vulnerabilities on the un managed packages in their Salesforce orgs, notably secrets that are easily accessible and in plain text, such as usernames, passwords, and OAuth tokens used in callouts from Salesforce.
Which two persistence mechanisms should an integration architect require to be used to ensure that secrets are protected from deliberate or inadvertent exposure?
Choose 2 answers

Universal Containers wants to provide Dispatchers with Account and Asset details when they hover over each Service Appointment. How should a Consultant recommend implementing this feature?