For implementing Azure AD Connect, the first thing to do is choosing the authentication method you will use to sign in. It's quite important to ensure that you have chosen the right method that can meet your organization's security and advanced requirements. Authentication is critical because it will validate the user's identities to access apps and data in the cloud.

Explain what must be considered to choose the right authentication.

Although factors vary for every organization, and also possibly changing over time, explain which authentication method you prefer.