There is only one DHCP server in a network running on windows server 2003. A scope of 192.168.0.0/24 has been configured to assign addresses to clients. But when the DHCP server was authorized, it failed with the error message "A constraint violation has occured". What may be the cause of the problem?

Which of the following statements are true regarding Certificate Manager(certmgr)?

What is recommended for resolving name-to-address mapping in a computer that does not support NetBIOS name registration with windows server 2003 WINS Server?

Which command line utility comes up with Windows Server 2003 Resource Kit to write down the new signature in new hard disk after a failed hard disk is replaced?

Which of the following protocols run in the layer 3 of TCP/IP model?

Which of the following are security recommendations for WINS in Windows server 2003 that is connected with external network?

Which of the following are the benefits of static routes over dynamic routing?

 Routing and remote access server is configured on Windows Server 2003. The network consists of many subnets and each uses different routing protocols. Which route would the router use if the routing table consists of entries from different routing protocols?

Which type of network should the WINS proxies be installed on?

 The network administrator installed an Enterprise Certificate server on Windows Server 2003. His network consists of clients on Windows 2000 and XP. They are configured with roaming profiles and each day the seat of every user changes. The administrator installs and configures an Exchange Server on Windows Server 2003 for Internal communication. The next day users complain that they are unable to open encrypted messages. Identify the problem. 

The network consists of one Windows Server 2003, 500 Win XP and 1000 Windows 2000 client systems and all are running on workgroup. The administrator has created an IP sec policy on all client computers with Kerberos rule specified for authentication. Later on, users report that they can ping each other by the IP address but are unable to access resources on the server. What may be the possible cause of the problem?