What should you create to meet the meeting requirements for the R & D department?

You have a Microsoft 365 subscription that uses Microsoft Teams. The subscription contains 1,000 users in the groups shown in the following table.

You need to configure Microsoft Teams to meet the requirements. The solution must minimize administrative effort.
What should you use?

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
Your company has a Microsoft 365 subscription.
You need to prevent a user named User1 from permanently deleting private chats in Microsoft Teams.
Solution: You create an In-Place Hold for the Microsoft SharePoint site used by Microsoft Team.
Does this meet the goal?

You need to implement the planned changes for the marketing department and the project management department. The solution must meet the technical requirements.
Which type of channel should you use for each department? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point

Your company has a Microsoft 365 subscription.
You need to prevent guest users from creating or updating channels.
How should you complete the PowerShell script? To answer, drag the appropriate options to the correct targets. Each option may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.