You are an IT administrator for a company that has recently adopted a hybrid cloud environment, utilizing both an on$-$premises Active Directory and Azure Active Directory $($AAD$).$ The company wants to ensure a seamless password experience for users, regardless of whether they are accessing resources on$-$premises or in the cloud. To achieve this, the IT team is exploring different services that synchronize password hashes between the on$-$premises Active Directory and Azure AD$.$

In this scenario, which service best matches the description?

Azure AD pass$-$through authentication

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

Azure AD Hash Synchronization