The correct answer is Team-managed projects only.

Team-managed projects in Jira Software allow multiple active sprints to run concurrently from the same backlog so different squads can run parallel sprints against shared work. This capability is part of the team-managed project model which gives teams more flexible sprint management for separate components or streams of work.

Neither team-managed nor company-managed projects support parallel sprints is incorrect because team-managed projects do support multiple active sprints and so the statement is false.

Company-managed projects only is incorrect because company-managed projects do not provide the same ability to run several active sprints from one backlog. Company-managed boards typically have a single active sprint at a time and require different workarounds to run parallel streams.

Both team-managed and company-managed projects is incorrect because the company-managed model does not support multiple concurrent active sprints the way team-managed projects do.

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