An administrator has View installed in a LAN environment with tunneling disabled. When users
connect from the View Client on a Windows 7 laptop, they can authenticate and select a pool, but
receive a black screen when connecting with PCoIP. After 10 seconds, their session automatically
disconnects. RDP users are not affected.
What port is likely being blocked by a firewall to cause this issue?

A.
Port 50002/UDP

B.
Port 4172/UDP

C.
Port 3389/TCP

D.
Port 443/TCP