John is the network administrator and his network consists of two Windows Server 2003 servers named server1 and server2. NAT is configured on server1 for securing the network and providing network access to clients. DHCP server is installed and configured on server2. A new subnet has been added to the network which will be assigned the addresses from server1 located on a different subnet. DHCP Relay agent has been configured on server1. Users complain that when they request the address from DHCP server, it fails and they get an error message that DHCP server is unreachable. John checked both the servers and found no error related to misconfiguration. Identify the problem.

Harry is the network administrator of his company having Windows 2003 domain controller under the domain of his company. His network consists of 100 Windows 2000 professional and 200 Windows 98 clients. His company policy states that all systems be upgraded to Windows XP. How will he check that after upgradation, all systems are with the same security settings? 

Which of the following is the limitation of NAT over ICS?

Which two, among the following Operating Systems support NTLMv2?

Which of the following commands can be used to check the integrity of corrupted security database in Windows Server 2003?

One SUS server is configured in Windows Server 2003 for updating Win XP clients. All clients are configured for Automatic Updates. All users are able to connect to and download updates from SUS server. But one automatic update client is unable to download update from SUS server. What should be done to update that client without wasting any time?

Which of the following IP class ranges is used for multicasting?

Which command can be used to repopulate the Active Directory DNS entries?

A network consists of one DHCP server running on Windows server 2003 server and client on Windows 2000 and later versions.Which of the following packets will be sent by the DHCP clients for confirming conflict detection?  

Allen is the network administrator of his company. His network consists of Windows Server 2003. Network clients are using Windows XP and 200 professional computers for connecting the server. IPsec is deployed for a secure network. One of the managers uses VPN over dial-up from his home for connecting the company server. Later on, it is discovered that communication from dial-up is not secured. Identify the causes.

A DHCP server is installed on Windows server 2003 server with a scope from 192.168.0.1 to 192.168.0.200. A client is reserved with address of 192.168.0.150. Later on, a new DHCP server is configured with the same scope.The user whose address was reserved complains that he is unable to receive the same address from DHCP server. What should the network administrator do so that the reserved client gets the same address?