Which solution in PAN-OS® software would help in this case?

A global corporate office has a large-scale network with only one User-ID agent, which creates a bottleneck near the User-ID agent server.

Which solution in PAN-OS® software would help in this case?
A . application override
B . Virtual Wire mode
C . content inspection
D . redistribution of user mappings

Answer: D

Explanation:

Reference: https://www.paloaltonetworks.com/documentation/71/pan-os/pan-os/user-id/deploy-user-id-in-a-large-scale-network