Select all that apply. What information is important to collect during the tech stack audit?

In the HubSpot Data Integration certification, a tech stack audit is the process of cataloging and evaluating the software ecosystem to identify how data moves throughout an organization. Collecting information on the tools used by each department is essential because it reveals functional overlaps and data silos that might exist between teams like Sales, Marketing, and Accounting. Identifying the stakeholders who use or monitor apps ensures that the integration project has the necessary "subject matter experts" to define use cases and the "admins" required to grant API access or oversight. Finally, documenting existing and potential integrations allows you to map out the current data flow and identify where new connections—like moving from a manual CSV import to a real-time API sync—can improve operational efficiency. While monitoring the "number of competitors" is a valid market research activity, it does not provide the internal technical or structural insights needed to architect a functional data integration within HubSpot.