Setup.exe /qs /ACTION=Install /FEATURES=SQLEngine,Replication
/INSTANCENAME=MSSQLSERVER /SQLSVCACCOUNT="<DomainNameUserName>"
/SQLSVCPASSWORD="<StrongPassword>"
/SQLSYSADMINACCOUNTS="<DomainNameUserName>" /AGTSVCACCOUNT="NT AUTHORITYNetwork Service"
/TCPENABLED=1 /IACCEPTSQLSERVERLICENSETERMS