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 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?  

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

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

Which of the following is equivalent to the ipconfig/flushdns?

Which DNS file points to the well known Top-Level Domains (Root Zones)?

Which two, among the following Operating Systems support NTLMv2?

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

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? 

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.

Which of the following security templates can be used for restoring default settings in Windows Server 2003?