Which two relationship types can be defined with external object? Choose 2 answers

Universal Containers implemented an application process that uses custom objects Internships and Applications. The organization-wide default for Internships has been set to private and is the master in the master-detail relationship with Applications. The VP of HR wants to allow edit access to Applications to recruiters.
How should an app builder configure the proper access?

The VP of sales at Universal Containers wants to have a set of screens to guide the inside sales team through collecting and updating data for leads. How can the App Builder accomplish this?

An app builder installed a custom Lightning component from AppExchange and has deployed My Domain.
What should be done next in order to configure the component for use in a record page?

What type of field can be used to filter a Report Chart that has been added to a Page Layout?