A VPN server was configured on Windows server 2003 for a company users so that they can connect and access resources over a secure channel. But when client tried to connect the VPN server, they are unable to establish Tunnel. What must be verified on clients that failed in establishing a Tunnel?

A network consists of mixed client environment of UNIX and earlier-version microsoft clients. DNS service is installed and configured on Windows 2003. Which of the following resource records will permit UNIX clients to locate their WINS clients by extending their DNS name?

How many hosts can be configured in class-c private ip range?

How can the administrator in windows server 2003 temporarily check the DNS performance and the packets sent and received by DNS server without affecting overall server performance and consuming disk space?

 An administrator faced the problem with IPSec when implemented with NAT in Windows server 2003. What may have caused this problem?

Remote users connecting to the Windows 2003 VPN server face problem of VPN profile taking much time to download thereby causing delay in login. What may be the cause of the problem?

In InetAddress class which method it returns the host name of the IP Address?

Which class can be used to create a server socket. This object is used to establish communication with the clients?

Which package provides core functionality?

Which classes are used for connection-less socket programming?

Which steps occur when establishing a TCP connection between two computers using sockets?