our network contains a Network Policy Server (NPS) named NPS1 and a network access server named NAS1. NAS1 is configured to use NPS1 for authentication and accounting. A firewall separates NPS1 and NAS1.You need to ensure that NAS1 can successfully send authentication and accounting messages to NPS1.Which ports should you allow through the firewall？（）

• A、TCP ports 80, 443, 389 and 1645
• B、TCP ports 88, 135, 139 and 1813
• C、UDP ports 53, 67, 68 and 69
• D、UDP ports 1812, 1813, 1645 and 1646