How does NSX-V Manager update Panorama when a guest is added or modified in the ESXi cluster?

The correct answer is that the NSX-V Manager updates Panorama through the PAN OS XML API. This API is specifically designed for managing and automating tasks on Panorama and Pan OS devices. When a guest is added or modified in the ESXi cluster, the NSX-V Manager communicates this change to Panorama using the definitions and structures provided by the PAN OS XML API.

This interface allows for effective data exchange and synchronization between NSX and Panorama, ensuring that the security policies applied to the virtualized environment reflect any changes made at the guest level. The XML format is particularly advantageous as it allows for structured data representation, which is essential for managing configuration and state changes across the network security infrastructure.

In contrast, the other options do not relate to the appropriate interfaces used for this task. For instance, the NetX management and data plane APIs are not directly involved in the way that Panorama receives updates concerning guests in the ESXi environment, as they serve different purposes related to network orchestration rather than specific management of security configurations. The SOAP XML API is also not the standard interface employed for Panorama’s communication; hence it does not apply in this context.