题目内容

Your company uses Active Directory-integrated DNS. Users require access to the Internet.You run a network capture.You notice the DNS server is sending DNS name resolution queries to a erver named f.root-servers.net.You need to prevent the DNS server from sending queries to f.root-servers.net. The server must be able to resolve names for Internet hosts.Which two actions should you perform？（）

A. Enable forwarding to your ISPs DNS servers.
B. Disable the root hints on the DNS server.
C. Disable the netmask ordering option on the DNS server.
D. Configure Reverse Lookup Zones for the IP subnets on the network.

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A. Enable forwarding to your ISPs DNS servers. B. Disable the root hints on the DNS server. C. Disable the netmask ordering option on the DNS server. D. Configure Reverse Lookup Zones for the IP subnets on the network.

降低浸润线同时有利于坝体的渗流稳定。

抽油机底座的鉴定：用专用水平仪按底座（）测量其水平度，如水平度超差太大或有扭曲现象应修复或按报废处理。

在视觉识别系统中，设计统一的企业标志、企业名称、企业造型、象征图案、标准字、标准色、标准印刷体、宣传口号等属于（）要素的作业。

If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）

A. Enable forwarding to your ISPs DNS servers.
B. Disable the root hints on the DNS server.
C. Disable the netmask ordering option on the DNS server.
D. Configure Reverse Lookup Zones for the IP subnets on the network.