[单选] Your network contains a DNS server named Server1 that runs Windows Server 2008 R2.Root hints for Server1 are configured as shown in the exhibit. (Click the Exhibit button.)You need to add root hints to Server1.What should you do first？（）

医疗器械注册证编号的编排方式为：（） 班彪《北征赋》 第一类医疗器械备案凭证编号的编排方式为：（） You deploy a windows server 2008 VPN server behind a firewall. Remote uses connect to the VPN by using portable computers that run windows vista with the latest service pack. The firewall is configured to allows only secured web communications. You need to enable remote users to connect as securely as possible. You must achieve this goal without opening any additional ports on the firewall. What should you do?（） Create an IPsec tunnel.。 Create an SSTP VPN connection.。 Create a PPTP VPN connection.。 Create a L2tp VPN connection.。 羊肉的品质评定包括哪些方面？ Your network contains a DNS server named Server1 that runs Windows Server 2008 R2.Root hints for Server1 are configured as shown in the exhibit. (Click the Exhibit button.)You need to add root hints to Server1.What should you do first？（）