单项选择题 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？（）

单项选择题 your company uses DHCP to lease IPv4 addresses to computers at the main office. A WAN link connects the main office to a branch office. All computers in the branch office are configured with static ip addresses. The branch office does not use DHCP and uses a different subnet. You need to ensure that the portable computers can connect to network resources at the main office and the branch office. How should you configure each portable computer?（）

单项选择题 your company has an active directory domain that has two domain controllers named DC1 and DC2. You prepare both servers to support event subscriptions. On DC1, you create a new default subscription for DC2. You need to review system events for DC2. Which event log should you select?（）