Explanation/Reference:
Explanation:
A managed service account is designed for service applications such as Internet Information Services, SQL Server, or Exchange to provide the following:
Automatic password management, so that these services can be separated from other services on the

computer better.
Simplified SPN management Service Principal Name (SPN) that Allows service administrators to set

SPNs on these accounts.
In addition, SPN management can be delegated to other administrators.
Managed service accounts are created using PowerShell cmdlets and managed. The accounts are identified by a dollar sign at the end of the login name. After the logon name is correct, the settings are applied and the account will have the right to log on as a service given.
References: https://blogs.technet.microsoft.com/askds/2009/09/10/managed-service-accounts- understanding-implementing-best-practices-and-troubleshooting/