You are a network administrator for A. Datum Corporation. The network consists of a single Active Directory domain named adatum.net.  Users regularly browse the internal network and the Internet from their client computers. All Web and e-mail hosting for a separate DNS domain named adatum.com is outsourced to an ISP. All name resolution requests for adatum.com are resolved by the ISP. You have no administrative control over the DNS servers at the ISP. You cannot list the contents of adatum.com by using the nslookup command on the DNS servers at the ISP.  A Windows Server 2003 computer named Server1 is configured with a primary zone for adatum.net. All root hints have been removed from Server1. All client computers refer to this DNS server for name resolution. You need to configure DNS resolution to ensure that all client computers can locate and access resources in adatum.net， adatum.com， and the Internet.  
What should you do？（）

You are the administrator of an Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional and are members of the domain.The domain contains a single DNS server named Server1. Root hints are enabled on Server1. Internet access for the company is provided by a Network Address Translation （NAT） server named Server2. Server2 is connected to the Internet by means of a permanent connection to the company’s ISP.Users report that they can no longer connect to http：//www.adatum.com. Users can connect to internal resources and to other Internet Web sites. You can successfully access http：//www.adatum.com from a computer outside of the corporate network.You need to ensure that the users can access http：//www.adatum.com. You must also ensure that users retain their ability to access internal resources.  
Which two actions should you perform？（）

You are the administrator of an Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional. A server named Filesrv1 contains confidential data that is only available to users in the human resources （HR） department.  You want all computers in the HR department to connect to Filesrv1 by using an IPSec policy. You assign the Server （Request Security） IPSec policy to Filesrv1. Using Network Monitor， you notice that some computers in the HR department connect to Filesrv1 without using the IPSec policy.  
You need to configure Filesrv1 to ensure that all computers connect to it by using the IPSec policy.  
What should you do？（）

You are an administrator of a single Active Directory forest that contains one domain. All servers run Windows Server 2003. A server named VPN1 is configured with Routing and Remote Access. VPN1 is configured to allow only inbound VPN connections that use L2TP. You assign the Server （Request Security） IPSec policy on VPN1. You configure the policy to use Kerberos and certificates for authentication.From a Windows XP Professional computer named Client1， which does not belong to the domain， you attempt to establish a VPN connection to VPN1 and receive the error message shown in the exhibit. （Click the Exhibit button.）

You verify that the VPN ports on VPN1 are not being blocked by any intermediate devices.  You need to configure Client1 to allow it to establish a VPN connection to VPN1.  
What should you do？（）