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?

What does the term "attenuation" mean in networking?

Which of the following statements hold true regarding PPTP-based VPN connections?

Some of the VPN client computers are unable to connect with VPN server configured on windows server 2003. It is suspected that client computers are not updated with most recent hotfixes. Which command should be run on clients to check details of all Hotfixes status?

Administrator has installed and configured DHCP server in windows 2003 .He wants to check which processing mode the client sends their MAC address to the DHCP server.Which part of mode should be checked from Network Monitor?

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?

Which of the following addresses fall under private range?

A network consists of one Windows Server 2003 running Enterprise Certificate Server. When a user requests for a new certificate, the request is processed. If, later on, the administrator checks the Event Viewer and views a lot of Certificate errors related to Time and Date and when he opened the Certificate manager he found the Certificate Server down. When he tried to restart, there was the same time and date problem. What does this mean and how can it be corrected?

Sammy the network administrator, installs a Windows Server 2003 as WINS server in his HQ. As his network expands, various branch offices are opened at different locations. HQ and Branches are connected through slow WAN links. Clients at branch generates a lot of lookup traffic for HQ. How should he minimize the lookup traffic between client and server?

The network administrator installed Windows Server 2003 and Enterprise Certificate on the same server, for his network clients running on Windows XP. He enabled the autoenrollment feature so that clients did not need to enter for requesting a new certificate. A lot of error messages were displayed in Event Viewer regarding failure of autoenrollment of the clients. Identify the error.