You have a Microsoft Entra tenant and an on$-$premises Active Directory domain that contains several organizational units $($OUs$).$ You need to sync an OU named OU$1$ with Microsoft Entra. The solution must NOT sync other OUs. Which two solutions can you use? Each correct answer presents a complete solution. Select all answers that apply.

Active Directory replication

Active Directory Federation Services $($AD FS$)$

Microsoft Entra Connect Express setup

Microsoft Entra Connect Custom setup