Go back to 74-324 - Administering Office 365 for Small Businesses

Question :-

You are an Office 365 administrator. Messages from Office 365 users in your company to external recipients include an attachment named Winmail.dat. You need to ensure that external messages do not include this attachment. Which Windows PowerShell cmdlet should you run?
Set-RemoteDomain Default -TLSEnabled $true
Set-RemoteDomain Default -TNEFEnabled $true
Set-RemoteDomain Default -TNEFEnabled $false
Set-RemoteDomain Default -TLSEnabled $false

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