The tsm maintenance backup command creates a backup file (with a .tsbak extension) that captures critical data needed to restore Tableau Server in case of failure or migration. This backup primarily includes:

Repository data: This encompasses the PostgreSQL database, which stores metadata such as workbooks, data sources, user information, permissions, schedules, and subscriptions.

Configuration data: This includes server settings like authentication methods, port configurations, and service layouts, but it does not include topology data as a separate entity (topology is part of the configuration).

The command does not back up the following:

Extract files (stored in the File Store), which must be backed up separately if needed.

Log files, which are archived using tsm maintenance ziplogs.

Option A (Notification settings) is incorrect because while notification settings are part of the configuration data stored in the repository, they are not the primary focus of the backup. The broader category is "repository data."

Option B (SMTP server settings) is also incorrect for the same reason—SMTP settings are configuration data within the repository, but the backup is not limited to just these settings.

Option D (Topology data) is incorrect because topology data (e.g., how services are distributed across nodes) is part of the configuration included in the backup, but it’s not stored as a standalone item. The .tsbak file is centered on the repository database.