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66.You are the network administrator for the network that consists of a single Active Directory forest with 14 domains. All servers run Windows Server 2003. Only the DNS servers in the abc.com domain have access to the Internet to resolve Internet DNS names. What should you do to configure each DNS server so that unresolved queries are resolved by DNS servers in the abc.com domain?
67.You are an administrator of an Active Directory domain named xyz.com. You configure a server named Server 2 as xyz.com’s DHCP server. All client computers are configured as DHCP clients. Users report that they cannot connect to network resources. You investigate and discover that the client computers are not receiving their TCP/IP configurations from Server 2. What should you do to fix this issue?
68.You network that has 20 Windows Server 2003 computers. All client computers receive their TCP/IP settings from a DHCP server named Server 1. The network is experiencing rapid growth in the past few months. Users report that the network is going slow. When you run Network Monitor, you notice a significant increase in broadcast traffic on the network. Which of the following should you do to increase network performance?
69.Your network has a server named RRAS1 that runs the Routing and Remote Access service. Users connect to RRAS1 by using VPNs through the Internet. RRAS1 is configured to support VPN connections by using both PPTP and L2TP. You enable all portable computers to use L2TP to connect to RRAS1.
However, some users also access RRAS1 using their home computers, which must be enabled for L2TP. Which of the following should you do to view the users who are connecting to the server by using PPTP?
70.A user reports that her computer cannot connect to a remote VPN server. You suspect that her client computer did not receive a recent hotfix. What should you do to verify which hotfixes are installed on her computer?