What should you recommend to meet the Microsoft Teams requirements for guest access?

You have a Microsoft 365 subscription that uses Microsoft Teams. All users are assigned a Microsoft Office 365 Enterprise E3 license.
You need to ensure that the users can join scheduled meetings by dialing a toll-free phone number.
Which two add-on licenses should you assign to the users? Each correct answer presents part of the solution.
Each correct selection is worth one point.

Your company has a Microsoft 365 subscription.
A user invites an external user to join a Microsoft Teams meeting by using a Microsoft Outlook meeting
invitation.
The external user cannot join the meeting.
You need to ensure that all external users can join Microsoft Team meetings.
What should you do from the Microsoft Teams admin center?

You have a Microsoft Teams team named Team1.
Team1 is deleted accidentally.
You need to recover Team1.
How should you complete the PowerShell script? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

You are a Microsoft Teams administrator for your company.
All the teams used by the company's legal department must meet the following compliance requirements:
Each team must expire 365 days after it is created.
All team content must be deleted when the team expires.
An administrator must be able to restore deleted team content for 30 days.
What should you do?