Which ports are responsible for the UI and REST API in Dynatrace Managed?

The correct choice identifies the ports used for the UI and REST API in Dynatrace Managed. Specifically, ports 8020 and 8021 are designated for these functionalities. Port 8020 typically serves the REST API, allowing users and applications to interact programmatically with Dynatrace. Port 8021, on the other hand, is utilized for the web-based user interface, enabling users to access dashboards, reports, and other visual analytics.

Understanding the specific roles of these ports is crucial for configuring firewalls, ensuring network connectivity, and troubleshooting potential access issues in a Dynatrace Managed environment. The other options outline ports that are not utilized for these functions in Dynatrace Managed, thus confirming the importance of recognizing the correct port assignments for effective operational management and user access.