Which Panorama object is used to manage network settings?

The correct choice is the template, which is used to manage network settings within the Panorama management environment for Palo Alto Networks firewalls. Templates allow administrators to define and manage configurations that apply to one or more firewalls, ensuring a consistent application of network settings across multiple devices.

By utilizing templates, you can centralize the management of configurations such as interface settings, routing, and general device behavior. This centralized approach simplifies administrative tasks and enhances efficiency, making it easier to maintain compliance and uniformity across the organization's network infrastructure.

In contrast, device groups are mainly focused on managing security policies and rules specific to a set of devices rather than handling network settings. Virtual systems provide a means to partition a single hardware firewall into multiple virtual firewalls, which can have their own separate configurations but do not directly manage global network settings. Decryption profiles relate specifically to SSL inspection and control rather than broader network management. Each of these other options has distinct functions, further highlighting the unique role templates play in managing network settings effectively.