When a database is dropped the master database should be backed up?

Does drop database delete files?

Dropping a database deletes the database from an instance of SQL Server and deletes the physical disk files used by the database. If the database or any one of its files is offline when it is dropped, the disk files are not deleted. These files can be deleted manually by using Windows Explorer.

What is the purpose of master database?

The master database records all the system-level information for a SQL Server system. This includes instance-wide metadata such as logon accounts, endpoints, linked servers, and system configuration settings.

How often should you backup system databases?

The short answer to "How often should I backup my data?" is "periodically and as often as necessary to minimize the consequences of data loss." Typically, that translates to a full backup every week and a backup of each day's transactions at least once daily.

What is stored only in the master database?

Explanation: Server-scoped Dynamic Management View is stored only in the Master database.