External Policy Servers are placed between the Endpoint clients and the Endpoint Security Management Server.

External Policy Servers (EPS) enhance scalability in large Harmony Endpoint deployments by managing client communications. TheCP_R81.20_Harmony_Endpoint_Server_AdminGuide.pdfspecifies the maximum number of EPS supported per environment.

Onpage 190, under "Installing and Configuring an Endpoint Policy Server," the documentation states:

"You can install up to 20 Endpoint Policy Servers in an environment."

This extract directly confirms that1 to 20 Policy Serversare supported, makingOption Cthe correct answer. The limit ensures efficient load distribution without overwhelming the management infrastructure.

Evaluating the other options:

Option A: "From 1 to 25" exceeds the documented maximum of 20.

Option B: "From 1 to 15" underestimates the supported capacity.

Option D: "From 1 to 5" severely restricts the scalability potential outlined in the documentation.

Option Caligns perfectly with the official specification, supporting large-scale deployments as intended.