Task 8You need to prevent guest users from calling your company's Teams users.

See the solution in the explanation below

Task 9You need to prevent unauthenticated users from joining Teams meetings.

See the solution in the explanation below

See the solution in the explanation below

See the solution in the explanation below

See the solution in the explanation below

Create an emergency call routing policy.

Specify the latitude and longitude of the location.

Provide The Emergency Location Identification Number (ELIN) associated with the emergency address.

Create an emergency call routing policy.

Create an emergency calling policy.

Assign a Teams Premium license to Admin1.

For Admin1, run the Grant-CsUserPolicyPackage PowerShell cmdlet.

Assign a Teams Premium license to Admin1.

For Admin1. run the Grant-CsGroupPolicyPackageAssigment PowerShell cmdlet.

Assign a Microsoft 365 E5 license to Admin1.

Task 7

You need to prevent users from deleting messages posted in private chats and channels.

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