28. You install the Routing and Remote Access service on a Windows 2000 Server computer in your network. Your network is not directly connected to the Internet and uses the private IP address range 192.168.0.0. When you use Routing and Remote Access to dial in to the server, your computer connects successfully, but you are unable to access any resources. When you try to ping servers by using their IP addresses, you receive the following message: "Request timed out." When you run the ipconfig command, it shows that your dial-up connection has been given the IP address 169.254.75.182.
What should you do to resolve the problem?
A. Configure the remote access server with the address of a DHCP server.
B. Authorize the remote access server to receive multiple addresses from a DHCP server.
C. Configure the remote access server to act as a DHCP Relay Agent.
D. Ensure that the remote access server is able to connect to a DHCP server that has a scope for its subnet.
Answer: A
Reason for answer: TechNet (Q197197), (Q232703), (Q216805)
"IP address 169.254.75.182 is assigned by windows when one can not be found" C may seem like the right answer, but you got the 169 address because it did not find a DHCP server with a correct scope, you can not ping because you do not have a default gateway assigned, adding a DHCP relay agentmay be part of the solution to answer D, but if the DHCP server is not configured with the scope it still will not work. This could be a two-answer question. I chose D and so does Troytec.
DHCP clients located across a router from a DHCP server require that the router be configured to forward DHCP traffic to a DHCP server on a remote subnet. This traffic is broadcast traffic and routers do not normally forward broadcast traffic unless configured to do so. A network router can be a hardware-based router, such as those manufactured by the Cisco Corporation or software-based such as Microsoft's Routing and RemoteAccess Services (RRAS). In either case, you need to configure the router to relay DHCP traffic to designated DHCP servers. The DHCP server IP addresses are configured on the router on a per-interface basis using IP helper functionality, or in the case of RRAS, using the DHCP relay agent.
The RemoteAcess Service will generate the following event:
Event 20169
Source RemoteAccess
Type Warning
Description:
Unable to contact a DHCP server. The Automatic Private IP Address will be assigned to dial-in clients. Clients may be unable to access resources on the network.
You can now use the DHCP Relay agent with RAS to provide DHCP scope options to RAS clients. The RAS client continues to receive an IP address from the RAS server, but may use DHCPInform packets to obtain WINS addresses, DNS addresses, domain names, or other DHCP options. DHCPInform messages are used to obtain DHCP scope option information without getting an IP address.
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