
Explanation:
Box 1: New-CsGroupPolicyAssignment
Use the New-CsGroupPolicyAssignment cmdlet to assign a policy to a group.
Example: New-CsGroupPolicyAssignment -GroupId d8ebfa45-0f28-4d2d-9bcc-b158a49e2d17 - PolicyType TeamsMeetingPolicy -PolicyName "Retail Managers Meeting Policy" -Rank 1 Box 2: TeamsAppsSetupPolicy Use app setup policies to install and pin apps to promote the most used apps in your organization, and to decide if you want users to upload custom apps to Teams.
* Install apps: App setup policies let you install apps on behalf of users when they start Teams and during meetings.
* Pin apps.
* Upload custom apps.
Reference:
https://docs.microsoft.com/en-us/microsoftteams/assign-policies-users-and-groups
https://docs.microsoft.com/en-us/microsoftteams/teams-app-setup-policies