Which objects are used by policies on a FortiGate device?

Policies on a FortiGate device utilize various object types to define and enforce security measures on the network. The option that includes interface and zone, address, user, and internet service objects encompasses the essential components that FortiGate policies leverage.

Interfaces and zones are critical as they determine where the policy applies within the network. An interface represents a physical or virtual connection point on the FortiGate, while a zone can contain multiple interfaces grouped together, simplifying policy management. Address objects define specific IP addresses or ranges that the policies will affect, enabling granular control over resource access.

User objects are important for authentication and access control, allowing policies to be tailored based on user identity. Lastly, internet service objects help in defining which internet services (like HTTP, FTP, etc.) are subject to the policies, ensuring the appropriate traffic can be allowed or blocked.

This combination of objects ensures that security policies are comprehensive and effective, as they cover different aspects of network traffic and security requirements. The presence of these objects allows for a more precise application of security rules tailored to various network segments and users, demonstrating why this choice stands out as the correct answer.